Alert archive / Alaska / Small Craft Advisories in 2021

Small Craft Advisory 298, NWS Anchorage, AK

April 11, 2021

NWS Anchorage, AK issued this small craft advisory at Apr 11, 2021, 3:14 AM AKDT. It was in force for 6 days.

The area

The counties it named.

The facts

Issued
Apr 11, 2021, 3:14 AM AKDT (11:14 UTC)
Expired
Apr 17, 2021, 3:12 PM AKDT
In force
6 days
Issued by
NWS Anchorage, AK

The text

As transmitted.

807 
FZAK52 PAFC 111114
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
314 AM AKDT Sun Apr 11 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-120045-
314 AM AKDT Sun Apr 11 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 979 mb low 180 nm northwest of Saint Paul moves to 210 nm
northeast of Saint Paul at 985 mb Mon morning and then moves to 
315 nm north of Saint Paul at 998 mb Tue morning. A 999 mb low 
moves to 130 nm north of Shemya Mon afternoon and then moves to 
155 nm north of Adak at 998 mb Tue morning.

$$

PKZ150-120045-
South of the AK Peninsula Sitkinak to Castle Cape-
314 AM AKDT Sun Apr 11 2021

...GALE WARNING TODAY...

.TODAY...S wind 35 kt becoming SW 20 kt in the afternoon. Seas 11 
ft. Rain.
.TONIGHT...SW wind 25 kt. Seas 10 ft.
.MON...SW wind 20 kt. Seas 10 ft.
.MON NIGHT...S wind 20 kt. Seas 9 ft.
.TUE...E wind 25 kt. Seas 10 ft.
.WED...SW wind 25 kt. Seas 10 ft.
.THU...N wind 20 kt. Seas 8 ft.

$$

PKZ155-120045-
South of the AK Peninsula Castle Cape to Cape Sarichef-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SW wind 30 kt. Seas 12 ft.
.TONIGHT...SW wind 25 kt. Seas 12 ft.
.MON...SW wind 20 kt. Seas 10 ft.
.MON NIGHT...SW wind 15 kt. Seas 8 ft.
.TUE...S wind 20 kt. Seas 7 ft.
.WED THROUGH THU...N wind 25 kt. Seas 10 ft.

$$

PKZ160-120045-
Bristol Bay-
314 AM AKDT Sun Apr 11 2021

...GALE WARNING TODAY...

.TODAY...SE wind 40 kt becoming SW 15 kt in the afternoon. Seas in 
ice free waters 6 ft. Rain.
.TONIGHT...S wind 15 kt. Seas in ice free waters 4 ft.
.MON...SE wind 15 kt. Seas in ice free waters 4 ft.
.MON NIGHT...SE wind 15 kt. Seas in ice free waters 3 ft.
.TUE...E wind 15 kt. Seas in ice free waters 3 ft.
.WED THROUGH THU...NW wind 15 kt. Seas in ice free waters 4 ft.

$$

PKZ165-120045-
Port Heiden to Cape Sarichef-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SW wind 30 kt except 25 kt from Port Moller E. Seas 9 ft.
.TONIGHT...SW wind 25 kt. Seas 9 ft.
.MON...S wind 15 kt. Seas 7 ft.
.MON NIGHT...SW wind 15 kt. Seas 6 ft.
.TUE...SE wind 15 kt becoming E wind 25 kt. Seas 6 ft.
.WED...NW wind 30 kt. Seas 11 ft.
.THU...NW wind 25 kt. Seas 11 ft.

$$

PKZ170-120045-
Cape Sarichef to Nikolski Bering Side-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SW wind 30 kt. Seas 11 ft.
.TONIGHT...SW wind 25 kt. Seas 10 ft.
.MON...W wind 20 kt. Seas 9 ft.
.MON NIGHT...W wind 20 kt. Seas 8 ft.
.TUE...S wind 30 kt. Seas 8 ft.
.WED...NW wind 30 kt. Seas 12 ft.
.THU...NW wind 25 kt. Seas 11 ft.

$$

PKZ171-120045-
Unalaska Bay-
314 AM AKDT Sun Apr 11 2021

.TODAY...SW wind 10 kt increasing to 20 kt in the afternoon. Seas
2 ft.
.TONIGHT...SW wind 15 kt diminishing to 10 kt after midnight. Seas
2 ft.
.MON...Variable wind less than 10 kt becoming W 10 kt in the 
afternoon. Seas 3 ft. Snow showers.
.MON NIGHT...W wind 15 kt. Seas 2 ft.
.TUE...SW wind 20 kt. Seas 6 ft.
.WED...NW wind 25 kt. Seas 10 ft.
.THU...NW wind 20 kt. Seas 7 ft.

$$

PKZ172-120045-
Cape Sarichef to Nikolski Pacific Side-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SW wind 30 kt. Seas 14 ft.
.TONIGHT...SW wind 25 kt. Seas 13 ft.
.MON...SW wind 20 kt. Seas 9 ft.
.MON NIGHT...W wind 20 kt. Seas 7 ft.
.TUE...SW wind 30 kt. Seas 9 ft.
.WED...NW wind 30 kt. Seas 11 ft.
.THU...NW wind 25 kt. Seas 9 ft.

$$

PKZ173-120045-
Nikolski to Seguam Island Bering Side-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...W wind 30 kt. Seas 12 ft.
.TONIGHT...W wind 20 kt. Seas 10 ft.
.MON...NW wind 20 kt. Seas 9 ft.
.MON NIGHT...W wind 20 kt. Seas 9 ft.
.TUE...W wind 40 kt. Seas 13 ft.
.WED...NW wind 30 kt. Seas 13 ft.
.THU...NW wind 20 kt. Seas 8 ft.

$$

PKZ174-120045-
Nikolski to Seguam Island Pacific Side-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...W wind 30 kt. Seas 17 ft.
.TONIGHT...SW wind 25 kt. Seas 12 ft.
.MON...W wind 20 kt. Seas 9 ft.
.MON NIGHT...W wind 20 kt. Seas 9 ft.
.TUE...W wind 40 kt. Seas 16 ft.
.WED...NW wind 30 kt. Seas 15 ft.
.THU...NW wind 25 kt. Seas 9 ft.

$$

PKZ175-120045-
Seguam Island to Adak Bering Side-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...W wind 30 kt. Seas 12 ft.
.TONIGHT...W wind 25 kt. Seas 10 ft.
.MON...NW wind 25 kt. Seas 11 ft.
.MON NIGHT...SW wind 30 kt. Seas 9 ft.
.TUE...NW wind 45 kt. Seas 15 ft.
.WED...W wind 30 kt. Seas 11 ft.
.THU...W wind 20 kt. Seas 7 ft.

$$

PKZ176-120045-
Seguam Island to Adak Pacific Side-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...W wind 30 kt. Seas 15 ft.
.TONIGHT...W wind 25 kt. Seas 10 ft.
.MON...NW wind 25 kt. Seas 9 ft.
.MON NIGHT...W wind 25 kt. Seas 8 ft.
.TUE...W wind 45 kt. Seas 16 ft.
.WED...W wind 30 kt. Seas 12 ft.
.THU...W wind 20 kt. Seas 6 ft.

$$

PKZ177-120045-
Adak to Kiska-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...W wind 25 kt. Seas 12 ft.
.TONIGHT...NW wind 30 kt. Seas 12 ft.
.MON...NW wind 30 kt. Seas 11 ft.
.MON NIGHT...SW wind 35 kt. Seas 12 ft.
.TUE...NW wind 40 kt. Seas 15 ft.
.WED...SW wind 25 kt. Seas 9 ft.
.THU...SW wind 20 kt. Seas 6 ft.

$$

PKZ178-120045-
Kiska to Attu-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NW wind 25 kt. Seas 12 ft.
.TONIGHT...NW wind 30 kt. Seas 12 ft.
.MON...SW wind 30 kt. Seas 12 ft. Snow.
.MON NIGHT...W wind 35 kt. Seas 13 ft.
.TUE...W wind 35 kt. Seas 13 ft.
.WED...S wind 25 kt. Seas 9 ft.
.THU...S wind 30 kt. Seas 12 ft.

$$

PKZ179-120045-
Pribilof Islands Near Shore Waters-
314 AM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...W wind 25 kt. Seas 10 ft.
.TONIGHT...SW wind 30 kt. Seas 12 ft.
.MON...W wind 20 kt. Seas 8 ft.
.MON NIGHT...W wind 15 kt. Seas 6 ft.
.TUE...N wind 25 kt. Seas 6 ft.
.WED...NW wind 30 kt. Seas 9 ft.
.THU...W wind 20 kt. Seas 7 ft.

$$

PKZ180-120045-
Kuskokwim Delta and Etolin Strait-
314 AM AKDT Sun Apr 11 2021

...GALE WARNING TODAY...

.TODAY...S wind 35 kt diminishing to 25 kt in the afternoon. Seas
in ice free waters 9 ft.
.TONIGHT...S wind 25 kt. Seas in ice free waters 7 ft.
.MON...S wind 15 kt. Seas in ice free waters 7 ft.
.MON NIGHT...SW wind 15 kt. Seas in ice free waters 5 ft.
.TUE...SE wind 20 kt. Seas in ice free waters 4 ft.
.WED THROUGH THU...NW wind 25 kt. Seas in ice free waters 5 ft.

$$

PKZ181-120045-
North and West of Nunivak Island-
314 AM AKDT Sun Apr 11 2021

...BRISK WIND ADVISORY THROUGH TONIGHT...

.TODAY...SE wind 25 kt becoming S 15 kt in the afternoon.
.TONIGHT...S wind 25 kt.
.MON...S wind 20 kt.
.MON NIGHT...S wind 15 kt.
.TUE...S wind 15 kt.
.WED...NW wind 25 kt.
.THU...SW wind 20 kt.

$$

PKZ185-120045-
Saint Matthew Island Waters-
314 AM AKDT Sun Apr 11 2021

...GALE WARNING TODAY...
...HEAVY FREEZING SPRAY WARNING THROUGH MONDAY...

.TODAY...E wind 20 kt E of Saint Matthew Island...NE 40 kt W of
Saint Matthew Island. Seas in ice free waters 12 ft. Heavy
freezing spray. Snow.
.TONIGHT...SE wind 25 kt E of Saint Matthew Island...N 30 kt W of
Saint Matthew Island. Seas in ice free waters 10 ft. Heavy
freezing spray.
.MON...SW wind 20 kt E of Saint Matthew Island...N 30 kt W of
Saint Matthew Island. Seas in ice free waters 8 ft. Heavy freezing 
spray.
.MON NIGHT...W wind 20 kt. Seas in ice free waters 6 ft.
.TUE THROUGH WED...W wind 25 kt. Seas in ice free waters 6 ft.
.THU...S wind 25 kt. Seas in ice free waters 10 ft.

$$
14 follow-up statements
124 
FZAK52 PAFC 112322
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
322 PM AKDT Sun Apr 11 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-121215-
322 PM AKDT Sun Apr 11 2021

.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA PENINSULA  
WATERS AND THE ALEUTIAN ISLANDS...

A 980 mb low 110 nm south of Saint Matthew Island moves to 105 nm 
southwest of Gambell at 998 mb, then dissipates Tue afternoon. A 
1008 mb south Kamchatka low Mon morning moves to 125 nm north of 
Shemya at 996 mb Mon night, then continues to 100 nm south of 
Nikolski at 1001 mb Tue afternoon.

$$

PKZ150-121215-
South of the AK Peninsula Sitkinak to Castle Cape-
322 PM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 25 kt. Seas 11 ft.
.MON...SW wind 20 kt. Seas 10 ft.
.MON NIGHT...S wind 20 kt. Seas 9 ft.
.TUE...E wind 20 kt. Seas 6 ft.
.TUE NIGHT...N wind 30 kt. Seas 11 ft.
.WED...NW wind 30 kt. Seas 11 ft.
.THU...N wind 25 kt. Seas 8 ft.
.FRI...NE wind 20 kt. Seas 8 ft.

$$

PKZ155-121215-
South of the AK Peninsula Castle Cape to Cape Sarichef-
322 PM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 25 kt. Seas 12 ft.
.MON...SW wind 20 kt. Seas 10 ft. Rain showers and snow showers.
.MON NIGHT...SW wind 20 kt. Seas 8 ft.
.TUE...Variable wind 10 kt. Seas 6 ft.
.TUE NIGHT...N wind 25 kt. Seas 7 ft.
.WED THROUGH THU...N wind 30 kt. Seas 10 ft.
.FRI...NE wind 20 kt. Seas 8 ft.

$$

PKZ160-121215-
Bristol Bay-
322 PM AKDT Sun Apr 11 2021

.TONIGHT...S wind 20 kt. Seas in ice free waters 5 ft.
.MON...S wind 15 kt. Seas in ice free waters 4 ft. Snow and rain
showers.
.MON NIGHT...SE wind 15 kt. Seas in ice free waters 4 ft.
.TUE...SE wind 10 kt. Seas in ice free waters 2 ft.
.TUE NIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.WED...NW wind 30 kt. Seas in ice free waters 8 ft.
.THU...NW wind 25 kt. Seas in ice free waters 6 ft.
.FRI...N wind 10 kt. Seas in ice free waters 2 ft.

$$

PKZ165-121215-
Port Heiden to Cape Sarichef-
322 PM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...SW wind 25 kt. Seas 9 ft.
.MON...S wind 15 kt. Seas 8 ft.
.MON NIGHT...SW wind 15 kt. Seas 6 ft.
.TUE...Variable wind 10 kt. Seas 5 ft.
.TUE NIGHT...N wind 25 kt. Seas 6 ft.
.WED THROUGH THU...NW wind 30 kt. Seas 11 ft.
.FRI...N wind 15 kt. Seas 5 ft.

$$

PKZ170-121215-
Cape Sarichef to Nikolski Bering Side-
322 PM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...SW wind 25 kt. Seas 10 ft.
.MON...W wind 20 kt. Seas 9 ft.
.MON NIGHT...W wind 20 kt. Seas 7 ft.
.TUE...SE wind 15 kt. Seas 7 ft.
.TUE NIGHT...N wind 25 kt. Seas 7 ft.
.WED THROUGH THU...NW wind 25 kt. Seas 12 ft.
.FRI...N wind 15 kt. Seas 6 ft.

$$

PKZ171-121215-
Unalaska Bay-
322 PM AKDT Sun Apr 11 2021

.TONIGHT...SW wind 20 kt diminishing to 10 kt after midnight. Seas
2 ft.
.MON...SW wind 10 kt. Seas 2 ft. Snow showers.
.MON NIGHT...W wind 15 kt. Seas 2 ft. Snow showers.
.TUE...SE wind 15 kt. Seas 2 ft.
.TUE NIGHT...N wind 20 kt. Seas 6 ft.
.WED...NW wind 30 kt. Seas 10 ft.
.THU...NW wind 20 kt. Seas 7 ft.
.FRI...N wind 10 kt. Seas 3 ft.

$$

PKZ172-121215-
Cape Sarichef to Nikolski Pacific Side-
322 PM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...SW wind 25 kt. Seas 13 ft. Snow showers.
.MON...SW wind 20 kt. Seas 9 ft. Snow showers and rain showers.
.MON NIGHT...W wind 20 kt. Seas 7 ft.
.TUE...S wind 20 kt. Seas 7 ft.
.TUE NIGHT...N wind 25 kt. Seas 8 ft.
.WED THROUGH THU...NW wind 30 kt. Seas 10 ft.
.FRI...N wind 20 kt. Seas 6 ft.

$$

PKZ173-121215-
Nikolski to Seguam Island Bering Side-
322 PM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...W wind 20 kt. Seas 10 ft.
.MON...W wind 20 kt. Seas 9 ft.
.MON NIGHT...W wind 20 kt. Seas 9 ft.
.TUE...W wind 30 kt. Seas 8 ft.
.TUE NIGHT...NW wind 35 kt. Seas 10 ft.
.WED...NW wind 25 kt. Seas 11 ft.
.THU...NW wind 15 kt. Seas 8 ft.
.FRI...Variable wind 10 kt. Seas 6 ft.

$$

PKZ174-121215-
Nikolski to Seguam Island Pacific Side-
322 PM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...SW wind 20 kt. Seas 12 ft.
.MON...W wind 20 kt. Seas 9 ft.
.MON NIGHT...SW wind 25 kt. Seas 9 ft.
.TUE...W wind 30 kt. Seas 12 ft.
.TUE NIGHT...NW wind 35 kt. Seas 13 ft.
.WED...NW wind 30 kt. Seas 12 ft.
.THU...NW wind 20 kt. Seas 9 ft.
.FRI...N wind 15 kt. Seas 5 ft.

$$

PKZ175-121215-
Seguam Island to Adak Bering Side-
322 PM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY NIGHT...

.TONIGHT...W wind 25 kt. Seas 11 ft.
.MON...NW wind 25 kt. Seas 11 ft.
.MON NIGHT...W wind 20 kt becoming SW 30 kt after midnight. Seas
10 ft. Widespread snow showers.
.TUE...NW wind 35 kt. Seas 12 ft.
.TUE NIGHT...NW wind 30 kt. Seas 11 ft.
.WED THROUGH THU...W wind 25 kt. Seas 9 ft.
.FRI...SE wind 15 kt. Seas 6 ft.

$$

PKZ176-121215-
Seguam Island to Adak Pacific Side-
322 PM AKDT Sun Apr 11 2021

...GALE WARNING MONDAY NIGHT...

.TONIGHT...W wind 25 kt. Seas 10 ft.
.MON...NW wind 25 kt. Seas 9 ft.
.MON NIGHT...W wind 25 kt becoming SW 35 kt after midnight. Seas
10 ft. Snow.
.TUE...NW wind 40 kt. Seas 15 ft.
.TUE NIGHT...NW wind 35 kt. Seas 14 ft.
.WED THROUGH THU...W wind 25 kt. Seas 8 ft.
.FRI...SE wind 15 kt. Seas 7 ft.

$$

PKZ177-121215-
Adak to Kiska-
322 PM AKDT Sun Apr 11 2021

...GALE WARNING MONDAY NIGHT...

.TONIGHT...NW wind 30 kt. Seas 12 ft.
.MON...NW wind 30 kt. Seas 12 ft.
.MON NIGHT...SW wind 30 kt becoming W 40 kt after midnight. Seas
14 ft. Widespread snow showers and rain.
.TUE...NW wind 40 kt. Seas 16 ft.
.TUE NIGHT...NW wind 25 kt. Seas 10 ft.
.WED...W wind 25 kt. Seas 7 ft.
.THU...SW wind 25 kt. Seas 6 ft.
.FRI...SE wind 20 kt. Seas 12 ft.

$$

PKZ178-121215-
Kiska to Attu-
322 PM AKDT Sun Apr 11 2021

...GALE WARNING MONDAY NIGHT...

.TONIGHT...NW wind 30 kt. Seas 12 ft.
.MON...SW wind 30 kt. Seas 12 ft. Snow.
.MON NIGHT...NW wind 40 kt. Seas 14 ft.
.TUE...NW wind 30 kt. Seas 14 ft.
.TUE NIGHT...SW wind 20 kt. Seas 8 ft.
.WED...SW wind 30 kt. Seas 10 ft.
.THU...S wind 30 kt. Seas 12 ft.
.FRI...SE wind 25 kt. Seas 16 ft.

$$

PKZ179-121215-
Pribilof Islands Near Shore Waters-
322 PM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...SW wind 30 kt. Seas 12 ft.
.MON...W wind 20 kt. Seas 8 ft. Freezing spray.
.MON NIGHT...W wind 20 kt. Seas 7 ft. Freezing spray.
.TUE...Variable wind 10 kt. Seas 5 ft.
.TUE NIGHT...NW wind 20 kt. Seas 5 ft.
.WED...NW wind 25 kt. Seas 8 ft.
.THU...W wind 20 kt. Seas 7 ft.
.FRI...Variable wind 10 kt. Seas 7 ft.

$$

PKZ180-121215-
Kuskokwim Delta and Etolin Strait-
322 PM AKDT Sun Apr 11 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TONIGHT...S wind 25 kt. Seas in ice free waters 7 ft.
.MON...S wind 25 kt. Seas in ice free waters 7 ft.
.MON NIGHT...S wind 15 kt. Seas in ice free waters 5 ft.
.TUE...S wind 15 kt. Seas in ice free waters 4 ft.
.TUE NIGHT...NW wind 25 kt. Seas in ice free waters 3 ft.
.WED THROUGH THU...NW wind 30 kt. Seas in ice free waters 5 ft.
.FRI...S wind 15 kt. Seas in ice free waters 2 ft.

$$

PKZ181-121215-
North and West of Nunivak Island-
322 PM AKDT Sun Apr 11 2021

...BRISK WIND ADVISORY TONIGHT...

.TONIGHT...SE wind 25 kt.
.MON...S wind 20 kt.
.MON NIGHT...S wind 20 kt.
.TUE...S wind 15 kt.
.TUE NIGHT...SW wind 15 kt.
.WED...NW wind 20 kt.
.THU...SW wind 20 kt.
.FRI...S wind 20 kt.

$$

PKZ185-121215-
Saint Matthew Island Waters-
322 PM AKDT Sun Apr 11 2021

...GALE WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH MONDAY NIGHT...

.TONIGHT...SE wind 20 kt E of Saint Matthew Island...N 35 kt W of
Saint Matthew Island. Seas in ice free waters 10 ft. Heavy freezing 
spray. Snow.
.MON...S wind 25 kt E of Saint Matthew Island...N 30 kt W of Saint
Matthew Island. Seas in ice free waters 8 ft. Heavy freezing spray.
.MON NIGHT...W wind 20 kt. Seas in ice free waters 6 ft. Heavy freezing
spray.
.TUE AND TUE NIGHT...NW wind 20 kt. Seas in ice free waters 5 ft.
.WED...NW wind 20 kt. Seas in ice free waters 5 ft.
.THU THROUGH FRI...S wind 25 kt. Seas in ice free waters 10 ft.

$$
954 
FZAK52 PAFC 121153
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
353 AM AKDT Mon Apr 12 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-130115-
353 AM AKDT Mon Apr 12 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 986 mb low 170 nm northwest of Mekoryuk remains stationary 
through Tue morning before dissipating Tue afternoon. A 1002 mb 
low 85 nm northwest of Shemya Mon afternoon moves to 200 nm
southwest of Dutch Harbor at 1005 mb Tue afternoon.

$$

PKZ150-130115-
South of the AK Peninsula Sitkinak to Castle Cape-
353 AM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SW wind 20 kt. Seas 10 ft.
.TONIGHT...S wind 20 kt. Seas 9 ft.
.TUE...S wind 15 kt. Seas 7 ft. Rain and snow showers.
.TUE NIGHT...NW wind 15 kt. Seas 8 ft.
.WED...NW wind 20 kt. Seas 10 ft.
.THU THROUGH FRI...NE wind 20 kt. Seas 8 ft.

$$

PKZ155-130115-
South of the AK Peninsula Castle Cape to Cape Sarichef-
353 AM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SW wind 20 kt. Seas 10 ft. Rain and snow showers.
.TONIGHT...SW wind 20 kt. Seas 8 ft.
.TUE...SW wind 15 kt. Seas 7 ft.
.TUE NIGHT...NW wind 15 kt. Seas 6 ft.
.WED THROUGH FRI...N wind 25 kt. Seas 9 ft.

$$

PKZ160-130115-
Bristol Bay-
353 AM AKDT Mon Apr 12 2021

.TODAY...S wind 15 kt. Seas in ice free waters 4 ft.
.TONIGHT...SE wind 15 kt. Seas in ice free waters 3 ft.
.TUE...S wind 15 kt becoming SW in the afternoon. Seas in ice free
waters 2 ft.
.TUE NIGHT...NW wind 20 kt. Seas in ice free waters 2 ft.
.WED...NW wind 20 kt. Seas in ice free waters 6 ft.
.THU...N wind 20 kt. Seas in ice free waters 4 ft.
.FRI...N wind 15 kt. Seas in ice free waters 3 ft.

$$

PKZ165-130115-
Port Heiden to Cape Sarichef-
353 AM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...S wind 20 kt. Seas 8 ft.
.TONIGHT...SW wind 15 kt. Seas 6 ft. Rain showers.
.TUE...SW wind 15 kt. Seas 5 ft.
.TUE NIGHT...NW wind 15 kt. Seas 5 ft.
.WED THROUGH THU...NW wind 25 kt. Seas 11 ft.
.FRI...N wind 20 kt. Seas 6 ft.

$$

PKZ170-130115-
Cape Sarichef to Nikolski Bering Side-
353 AM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...W wind 20 kt. Seas 9 ft. Rain showers.
.TONIGHT...W wind 20 kt. Seas 7 ft.
.TUE...SW wind 15 kt becoming E in the afternoon. Seas 7 ft.
.TUE NIGHT...NW wind 25 kt. Seas 8 ft.
.WED THROUGH THU...NW wind 25 kt. Seas 11 ft.
.FRI...N wind 20 kt. Seas 6 ft.

$$

PKZ171-130115-
Unalaska Bay-
353 AM AKDT Mon Apr 12 2021

.TODAY...SW wind 10 kt becoming NW in the afternoon. Seas 2 ft. Rain
and snow showers.
.TONIGHT...W wind 15 kt. Seas 2 ft.
.TUE...SW wind 15 kt becoming E in the afternoon. Seas 2 ft. Snow 
showers.
.TUE NIGHT...NW wind 25 kt. Seas 6 ft.
.WED...NW wind 25 kt. Seas 10 ft.
.THU...NW wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 5 ft.

$$

PKZ172-130115-
Cape Sarichef to Nikolski Pacific Side-
353 AM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY TODAY AND TUESDAY...

.TODAY...SW wind 20 kt. Seas 9 ft. Rain showers.
.TONIGHT...W wind 20 kt. Seas 7 ft.
.TUE...SW wind 20 kt becoming SE in the afternoon. Seas 8 ft.
.TUE NIGHT...N wind 25 kt. Seas 7 ft.
.WED THROUGH FRI...N wind 25 kt. Seas 9 ft.

$$

PKZ173-130115-
Nikolski to Seguam Island Bering Side-
353 AM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TODAY...W wind 25 kt. Seas 9 ft.
.TONIGHT...W wind 25 kt. Seas 9 ft.
.TUE...SE wind 25 kt becoming N in the afternoon. Seas 9 ft.
.TUE NIGHT...NW wind 30 kt. Seas 9 ft.
.WED...NW wind 25 kt. Seas 10 ft.
.THU...NW wind 20 kt. Seas 7 ft.
.FRI...NE wind 15 kt. Seas 6 ft.

$$

PKZ174-130115-
Nikolski to Seguam Island Pacific Side-
353 AM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TODAY...W wind 25 kt. Seas 9 ft.
.TONIGHT...W wind 25 kt. Seas 9 ft.
.TUE...S wind 30 kt becoming NW in the afternoon. Seas 10 ft. Snow
showers.
.TUE NIGHT...NW wind 35 kt. Seas 11 ft.
.WED...NW wind 25 kt. Seas 11 ft.
.THU...NW wind 20 kt. Seas 8 ft.
.FRI...N wind 15 kt. Seas 5 ft.

$$

PKZ175-130115-
Seguam Island to Adak Bering Side-
353 AM AKDT Mon Apr 12 2021

...GALE WARNING TUESDAY...

.TODAY...NW wind 25 kt. Seas 11 ft.
.TONIGHT...SW wind 30 kt. Seas 10 ft. Snow showers.
.TUE...NW wind 40 kt. Seas 10 ft.
.TUE NIGHT...NW wind 30 kt. Seas 9 ft.
.WED...W wind 25 kt. Seas 9 ft.
.THU...W wind 20 kt. Seas 6 ft.
.FRI...SE wind 15 kt. Seas 7 ft.

$$

PKZ176-130115-
Seguam Island to Adak Pacific Side-
353 AM AKDT Mon Apr 12 2021

...GALE WARNING TONIGHT AND TUESDAY...

.TODAY...NW wind 25 kt. Seas 9 ft.
.TONIGHT...W wind 25 kt becoming SW 35 kt after midnight. Seas
10 ft. Snow showers.
.TUE...W wind 40 kt. Seas 13 ft.
.TUE NIGHT...NW wind 30 kt. Seas 11 ft.
.WED...W wind 25 kt. Seas 9 ft.
.THU...NW wind 20 kt. Seas 6 ft.
.FRI...E wind 20 kt. Seas 9 ft.

$$

PKZ177-130115-
Adak to Kiska-
353 AM AKDT Mon Apr 12 2021

...GALE WARNING TONIGHT AND TUESDAY...

.TODAY...NW wind 30 kt. Seas 12 ft.
.TONIGHT...SW wind 30 kt becoming W 40 kt after midnight. Seas
14 ft. Snow showers and rain.
.TUE...NW wind 40 kt diminishing to 30 kt in the afternoon. Seas
13 ft.
.TUE NIGHT...NW wind 25 kt. Seas 9 ft.
.WED...W wind 25 kt. Seas 7 ft.
.THU...SW wind 20 kt. Seas 6 ft.
.FRI...SE wind 25 kt. Seas 14 ft.

$$

PKZ178-130115-
Kiska to Attu-
353 AM AKDT Mon Apr 12 2021

...GALE WARNING TONIGHT...

.TODAY...SW wind 30 kt. Seas 12 ft. Snow.
.TONIGHT...W wind 35 kt. Seas 14 ft.
.TUE...NW wind 25 kt. Seas 11 ft.
.TUE NIGHT...W wind 20 kt. Seas 7 ft.
.WED...SW wind 25 kt. Seas 10 ft.
.THU...SE wind 25 kt. Seas 12 ft.
.FRI...E wind 25 kt. Seas 19 ft.

$$

PKZ179-130115-
Pribilof Islands Near Shore Waters-
353 AM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...W wind 20 kt. Seas 8 ft. Freezing spray.
.TONIGHT...W wind 20 kt. Seas 7 ft. Freezing spray.
.TUE...W wind 15 kt. Seas 6 ft.
.TUE NIGHT...NW wind 20 kt. Seas 6 ft.
.WED...NW wind 25 kt. Seas 8 ft.
.THU...NW wind 20 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.

$$

PKZ180-130115-
Kuskokwim Delta and Etolin Strait-
353 AM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...S wind 25 kt. Seas in ice free waters 7 ft.
.TONIGHT...S wind 20 kt. Seas in ice free waters 5 ft.
.TUE...S wind 15 kt becoming SW in the afternoon. Seas in ice free
waters 4 ft.
.TUE NIGHT...W wind 15 kt. Seas in ice free waters 2 ft.
.WED THROUGH THU...NW wind 20 kt. Seas in ice free waters 5 ft.
.FRI...NW wind 15 kt. Seas in ice free waters 3 ft.

$$

PKZ181-130115-
North and West of Nunivak Island-
353 AM AKDT Mon Apr 12 2021

...BRISK WIND ADVISORY TODAY...

.TODAY...S wind 25 kt.
.TONIGHT...S wind 20 kt.
.TUE...S wind 20 kt.
.TUE NIGHT...Variable wind 10 kt.
.WED...NW wind 20 kt.
.THU...W wind 15 kt.
.FRI...S wind 15 kt.

$$

PKZ185-130115-
Saint Matthew Island Waters-
353 AM AKDT Mon Apr 12 2021

...GALE WARNING TODAY...
...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...E of Saint Matthew Island, SW wind 25 kt. W of Saint
Matthew Island, N wind 35 kt diminishing to 25 kt in the
afternoon. Seas in ice free waters 9 ft. Heavy freezing spray. Snow.
.TONIGHT...NW wind 20 kt. Seas in ice free waters 7 ft. Freezing
spray.
.TUE...SW wind 15 kt E of Saint Matthew Island... NW 25 kt W of
Saint Matthew Island. Seas in ice free waters 5 ft. Freezing
spray.
.TUE NIGHT...NW wind 25 kt. Seas in ice free waters 5 ft.
.WED...NW wind 25 kt. Seas in ice free waters 6 ft.
.THU THROUGH FRI...S wind 20 kt. Seas in ice free waters 9 ft.

$$
998 
FZAK52 PAFC 122354
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
354 PM AKDT Mon Apr 12 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-131315-
354 PM AKDT Mon Apr 12 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...A 991 mb low 50 nm 
South of Savoonga remains nearly stationary then dissipates Wed 
afternoon. A 1001 mb low 80 nm North of Attu moves into the North 
Pacific at 1013 mb Wed afternoon. Its front moves over the Aleutians 
through Wed afternoon. A new front approaches the Western Bering Wed 
afternoon.

$$

PKZ150-131315-
South of the AK Peninsula Sitkinak to Castle Cape-
354 PM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY NIGHT...

.TONIGHT...S wind 20 kt. Seas 10 ft.
.TUE...S wind 15 kt becoming E in the afternoon. Seas 7 ft. Rain
showers.
.TUE NIGHT...NW wind 25 kt. Seas 10 ft. Rain.
.WED AND WED NIGHT...NW wind 25 kt. Seas 10 ft.
.THU THROUGH SAT...N wind 20 kt. Seas 7 ft.

$$

PKZ155-131315-
South of the AK Peninsula Castle Cape to Cape Sarichef-
354 PM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...SW wind 20 kt. Seas 9 ft.
.TUE...Variable wind 10 kt. Seas 7 ft.
.TUE NIGHT...Variable wind 10 kt becoming NW 20 kt after midnight.
Seas 6 ft.
.WED...NW wind 20 kt. Seas 8 ft.
.WED NIGHT...NW wind 25 kt. Seas 11 ft.
.THU THROUGH SAT...N wind 25 kt. Seas 7 ft.

$$

PKZ160-131315-
Bristol Bay-
354 PM AKDT Mon Apr 12 2021

.TONIGHT...SE wind 20 kt. Seas in ice free waters 5 ft.
.TUE...S wind 15 kt becoming SW in the afternoon. Seas in ice free
waters 4 ft.
.TUE NIGHT...Variable wind less than 10 kt increasing to 15 kt after
midnight. Seas in ice free waters 3 ft. Rain.
.WED AND WED NIGHT...NW wind 20 kt. Seas in ice free waters 6 ft.
.THU...N wind 20 kt. Seas in ice free waters 4 ft.
.FRI...N wind 15 kt. Seas in ice free waters 3 ft.
.SAT...N wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ165-131315-
Port Heiden to Cape Sarichef-
354 PM AKDT Mon Apr 12 2021

.TONIGHT...SW wind 15 kt. Seas 6 ft.
.TUE...Variable wind 10 kt. Seas 5 ft.
.TUE NIGHT...Variable wind 10 kt becoming NW 20 kt after midnight.
From Port Moller E, variable wind 10 kt. Seas 5 ft.
.WED...NW wind 20 kt. Seas 8 ft.
.WED NIGHT...NW wind 25 kt. Seas 11 ft.
.THU...N wind 25 kt. Seas 10 ft.
.FRI...N wind 20 kt. Seas 6 ft.
.SAT...N wind 25 kt. Seas 6 ft.

$$

PKZ170-131315-
Cape Sarichef to Nikolski Bering Side-
354 PM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY TONIGHT AND TUESDAY NIGHT...

.TONIGHT...W wind 20 kt. Seas 8 ft.
.TUE...Variable wind 10 kt becoming E 15 kt in the afternoon. Seas
7 ft.
.TUE NIGHT...NW wind 25 kt. Seas 8 ft.
.WED AND WED NIGHT...NW wind 25 kt. Seas 11 ft.
.THU...N wind 25 kt. Seas 10 ft.
.FRI...N wind 20 kt. Seas 6 ft.
.SAT...N wind 25 kt. Seas 7 ft.

$$

PKZ171-131315-
Unalaska Bay-
354 PM AKDT Mon Apr 12 2021

.TONIGHT...W wind 15 kt. Seas 2 ft.
.TUE...SW wind 10 kt becoming E in the afternoon. Seas 2 ft. Snow
showers.
.TUE NIGHT...NW wind 20 kt. Seas 6 ft. Snow showers.
.WED AND WED NIGHT...NW wind 25 kt. Seas 10 ft.
.THU...N wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...N wind 15 kt. Seas 5 ft.

$$

PKZ172-131315-
Cape Sarichef to Nikolski Pacific Side-
354 PM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY TUESDAY NIGHT...

.TONIGHT...W wind 20 kt. Seas 7 ft.
.TUE...SE wind 20 kt. Seas 7 ft.
.TUE NIGHT...NW wind 25 kt. Seas 7 ft.
.WED AND WED NIGHT...NW wind 25 kt. Seas 10 ft.
.THU THROUGH SAT...N wind 25 kt. Seas 8 ft.

$$

PKZ173-131315-
Nikolski to Seguam Island Bering Side-
354 PM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...W wind 25 kt becoming SW 15 kt after midnight. Seas
10 ft.
.TUE...SE wind 15 kt becoming N 25 kt in the afternoon. Seas 8 ft.
.TUE NIGHT...NW wind 25 kt. Seas 9 ft.
.WED AND WED NIGHT...NW wind 25 kt. Seas 10 ft.
.THU...N wind 20 kt. Seas 7 ft.
.FRI...NE wind 15 kt. Seas 6 ft.
.SAT...NE wind 20 kt. Seas 8 ft.

$$

PKZ174-131315-
Nikolski to Seguam Island Pacific Side-
354 PM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...W wind 20 kt. Seas 9 ft.
.TUE...S wind 25 kt becoming N in the afternoon. Seas 10 ft. Snow
showers.
.TUE NIGHT...NW wind 30 kt. Seas 11 ft.
.WED...NW wind 30 kt. Seas 11 ft.
.WED NIGHT...NW wind 25 kt. Seas 11 ft.
.THU...N wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.SAT...N wind 25 kt. Seas 8 ft.

$$

PKZ175-131315-
Seguam Island to Adak Bering Side-
354 PM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY NIGHT...

.TONIGHT...S wind 25 kt. Seas 10 ft. Snow showers.
.TUE...N wind 30 kt. Seas 10 ft.
.TUE NIGHT...NW wind 25 kt. Seas 9 ft.
.WED AND WED NIGHT...W wind 25 kt. Seas 9 ft.
.THU...NW wind 20 kt. Seas 6 ft.
.FRI...SE wind 15 kt. Seas 7 ft.
.SAT...NE wind 20 kt. Seas 8 ft.

$$

PKZ176-131315-
Seguam Island to Adak Pacific Side-
354 PM AKDT Mon Apr 12 2021

...GALE WARNING THROUGH TUESDAY...

.TONIGHT...W wind 25 kt becoming SW 35 kt after midnight. Seas
12 ft. Snow showers.
.TUE...W wind 40 kt. Seas 14 ft.
.TUE NIGHT...NW wind 30 kt. Seas 11 ft.
.WED AND WED NIGHT...W wind 25 kt. Seas 8 ft.
.THU...NW wind 25 kt. Seas 6 ft.
.FRI...E wind 20 kt. Seas 9 ft.
.SAT...NE wind 20 kt. Seas 10 ft.

$$

PKZ177-131315-
Adak to Kiska-
354 PM AKDT Mon Apr 12 2021

...GALE WARNING THROUGH TUESDAY...

.TONIGHT...W wind 40 kt. Seas 11 ft building to 16 ft after
midnight. Snow showers and rain showers.
.TUE...NW wind 35 kt diminishing to 25 kt in the afternoon. Seas
15 ft.
.TUE NIGHT...NW wind 25 kt. Seas 9 ft.
.WED...W wind 20 kt. Seas 7 ft.
.WED NIGHT...W wind 25 kt. Seas 7 ft.
.THU...SW wind 20 kt. Seas 6 ft.
.FRI...SE wind 25 kt. Seas 14 ft.
.SAT...E wind 25 kt. Seas 13 ft.

$$

PKZ178-131315-
Kiska to Attu-
354 PM AKDT Mon Apr 12 2021

...GALE WARNING TONIGHT...

.TONIGHT...W wind 40 kt. Seas 14 ft.
.TUE...NW wind 25 kt. Seas 11 ft.
.TUE NIGHT...SW wind 20 kt. Seas 7 ft.
.WED AND WED NIGHT...SW wind 25 kt. Seas 9 ft.
.THU...S wind 25 kt. Seas 12 ft.
.FRI THROUGH SAT...NE wind 25 kt. Seas 19 ft.

$$

PKZ179-131315-
Pribilof Islands Near Shore Waters-
354 PM AKDT Mon Apr 12 2021

.TONIGHT...W wind 20 kt. Seas 7 ft.
.TUE...W wind 15 kt. Seas 6 ft.
.TUE NIGHT...NW wind 20 kt. Seas 6 ft.
.WED...NW wind 25 kt. Seas 7 ft.
.WED NIGHT...NW wind 20 kt. Seas 8 ft.
.THU...NW wind 20 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.SAT...NW wind 20 kt. Seas 7 ft.

$$

PKZ180-131315-
Kuskokwim Delta and Etolin Strait-
354 PM AKDT Mon Apr 12 2021

.TONIGHT...S wind 20 kt. Seas in ice free waters 6 ft.
.TUE...SW wind 10 kt. Seas in ice free waters 4 ft.
.TUE NIGHT...W wind 10 kt becoming NW after midnight. Seas in ice
free waters 2 ft.
.WED...NW wind 20 kt. Seas in ice free waters 4 ft.
.WED NIGHT...NW wind 25 kt. Seas in ice free waters 5 ft.
.THU...NW wind 25 kt. Seas in ice free waters 5 ft.
.FRI...NW wind 15 kt. Seas in ice free waters 3 ft.
.SAT...NW wind 20 kt. Seas in ice free waters 5 ft.

$$

PKZ181-131315-
North and West of Nunivak Island-
354 PM AKDT Mon Apr 12 2021

.TONIGHT...S wind 20 kt.
.TUE...S wind 15 kt.
.TUE NIGHT...Variable wind 10 kt.
.WED AND WED NIGHT...NW wind 20 kt.
.THU...W wind 15 kt.
.FRI...S wind 15 kt.
.SAT...W wind 15 kt.

$$

PKZ185-131315-
Saint Matthew Island Waters-
354 PM AKDT Mon Apr 12 2021

...SMALL CRAFT ADVISORY TUESDAY...

.TONIGHT...NW wind 20 kt. Seas in ice free waters 6 ft. Freezing
spray.
.TUE...Variable wind 10 kt E of Saint Matthew Island...NW 25 kt W
of Saint Matthew Island. Seas in ice free waters 5 ft. Freezing 
spray.
.TUE NIGHT...E of Saint Matthew Island, variable wind 10 kt
becoming W 20 kt after midnight. W of Saint Matthew Island, NW wind 
20 kt. Seas in ice free waters 5 ft. Freezing spray.
.WED...NW wind 25 kt. Seas in ice free waters 6 ft.
.WED NIGHT...NW wind 20 kt. Seas in ice free waters 5 ft.
.THU THROUGH FRI...S wind 20 kt. Seas in ice free waters 9 ft.
.SAT...W wind 15 kt. Seas in ice free waters 11 ft.

$$
360 
FZAK52 PAFC 131153
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
353 AM AKDT Tue Apr 13 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-140100-
353 AM AKDT Tue Apr 13 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 997 mb low 90 nm northeast of Saint Matthew Island Tue morning 
moves north and dissipates Wed morning. A 1000 mb low 70 nm north 
of Adak moves southeast into the North Pacific at 1005 mb Tue 
evening.

$$

PKZ150-140100-
South of the AK Peninsula Sitkinak to Castle Cape-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY...

.TODAY...S wind 15 kt becoming E in the afternoon. Seas 7 ft. Rain
showers.
.TONIGHT...N wind 20 kt becoming NW 30 kt after midnight. Seas 8
ft. Rain.
.WED...NW wind 30 kt. Seas 9 ft.
.WED NIGHT...NW wind 25 kt. Seas 9 ft.
.THU...N wind 20 kt. Seas 8 ft.
.FRI THROUGH SAT...NE wind 25 kt. Seas 7 ft.

$$

PKZ155-140100-
South of the AK Peninsula Castle Cape to Cape Sarichef-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...Variable wind 10 kt. Seas 7 ft.
.TONIGHT...Variable wind 10 kt becoming NW 20 kt after midnight.
Seas 5 ft.
.WED...NW wind 25 kt. Seas 9 ft.
.WED NIGHT...NW wind 25 kt. Seas 9 ft.
.THU THROUGH SAT...N wind 25 kt. Seas 7 ft.

$$

PKZ160-140100-
Bristol Bay-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...S wind 15 kt becoming NW in the afternoon. Seas in ice free
waters 3 ft.
.TONIGHT...Variable wind less than 10 kt increasing to NW 15 kt 
after midnight. Seas in ice free waters 2 ft.
.WED...NW wind 25 kt. Seas in ice free waters 5 ft.
.WED NIGHT...NW wind 25 kt. Seas in ice free waters 5 ft.
.THU THROUGH FRI...N wind 15 kt. Seas in ice free waters 3 ft.
.SAT...N wind 20 kt. Seas in ice free waters 2 ft.

$$

PKZ165-140100-
Port Heiden to Cape Sarichef-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...Variable wind 10 kt becoming NW 20 kt after midnight. From
Port Moller E, variable wind 10 kt. Seas 4 ft.
.WED...NW wind 25 kt. Seas 7 ft.
.WED NIGHT...NW wind 25 kt. Seas 9 ft.
.THU...N wind 25 kt. Seas 9 ft.
.FRI...N wind 20 kt. Seas 6 ft.
.SAT...N wind 25 kt. Seas 5 ft.

$$

PKZ170-140100-
Cape Sarichef to Nikolski Bering Side-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY...

.TODAY...Variable wind 10 kt becoming E 15 kt in the afternoon. Seas
7 ft.
.TONIGHT...NW wind 25 kt. Seas 7 ft.
.WED...NW wind 25 kt. Seas 9 ft.
.WED NIGHT...NW wind 25 kt. Seas 9 ft.
.THU...N wind 25 kt. Seas 9 ft.
.FRI...N wind 20 kt. Seas 7 ft.
.SAT...NE wind 25 kt. Seas 5 ft.

$$

PKZ171-140100-
Unalaska Bay-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...SW wind 10 kt becoming E in the afternoon. Seas 2 ft.
Snow showers.
.TONIGHT...NW wind 20 kt. Seas 5 ft. Snow showers.
.WED...NW wind 25 kt. Seas 8 ft. Snow showers.
.WED NIGHT...NW wind 25 kt. Seas 9 ft.
.THU...NW wind 25 kt. Seas 8 ft.
.FRI THROUGH SAT...N wind 15 kt. Seas 4 ft.

$$

PKZ172-140100-
Cape Sarichef to Nikolski Pacific Side-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY TONIGHT AND WEDNESDAY...

.TODAY...SE wind 20 kt. Seas 7 ft.
.TONIGHT...NW wind 25 kt. Seas 8 ft.
.WED...NW wind 25 kt. Seas 9 ft.
.WED NIGHT...NW wind 30 kt. Seas 8 ft.
.THU...N wind 30 kt. Seas 8 ft.
.FRI THROUGH SAT...N wind 25 kt. Seas 6 ft.

$$

PKZ173-140100-
Nikolski to Seguam Island Bering Side-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...SE wind 15 kt becoming N 25 kt in the afternoon. Seas 8
ft.
.TONIGHT...NW wind 25 kt. Seas 8 ft.
.WED...NW wind 25 kt. Seas 9 ft.
.WED NIGHT...NW wind 25 kt. Seas 9 ft.
.THU...N wind 20 kt. Seas 6 ft.
.FRI...NE wind 15 kt. Seas 6 ft.
.SAT...NE wind 25 kt. Seas 6 ft.

$$

PKZ174-140100-
Nikolski to Seguam Island Pacific Side-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...S wind 25 kt becoming N in the afternoon. Seas 10 ft.
Snow showers.
.TONIGHT...NW wind 30 kt. Seas 11 ft.
.WED...NW wind 25 kt. Seas 10 ft.
.WED NIGHT...NW wind 25 kt. Seas 9 ft.
.THU...N wind 25 kt. Seas 6 ft.
.FRI...N wind 15 kt. Seas 6 ft.
.SAT...NE wind 25 kt. Seas 7 ft.

$$

PKZ175-140100-
Seguam Island to Adak Bering Side-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...N wind 30 kt. Seas 10 ft.
.TONIGHT...NW wind 25 kt. Seas 9 ft.
.WED...NW wind 25 kt. Seas 9 ft.
.WED NIGHT...W wind 25 kt. Seas 7 ft.
.THU...NW wind 20 kt. Seas 7 ft.
.FRI...SE wind 20 kt. Seas 5 ft.
.SAT...NE wind 20 kt. Seas 7 ft.

$$

PKZ176-140100-
Seguam Island to Adak Pacific Side-
353 AM AKDT Tue Apr 13 2021

...GALE WARNING TODAY...

.TODAY...W wind 40 kt. Seas 14 ft.
.TONIGHT...NW wind 30 kt. Seas 11 ft.
.WED...NW wind 25 kt. Seas 8 ft.
.WED NIGHT...W wind 25 kt. Seas 7 ft.
.THU...N wind 25 kt. Seas 7 ft.
.FRI...E wind 20 kt. Seas 7 ft.
.SAT...NE wind 25 kt. Seas 11 ft.

$$

PKZ177-140100-
Adak to Kiska-
353 AM AKDT Tue Apr 13 2021

...GALE WARNING TODAY...

.TODAY...NW wind 35 kt diminishing to 25 kt in the afternoon. Seas
15 ft.
.TONIGHT...NW wind 25 kt. Seas 9 ft.
.WED...SW wind 20 kt. Seas 6 ft.
.WED NIGHT...W wind 25 kt. Seas 7 ft.
.THU...SW wind 20 kt. Seas 7 ft.
.FRI...SE wind 30 kt. Seas 13 ft.
.SAT...NE wind 30 kt. Seas 14 ft.

$$

PKZ178-140100-
Kiska to Attu-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY TODAY AND WEDNESDAY...

.TODAY...NW wind 25 kt. Seas 11 ft.
.TONIGHT...SW wind 20 kt. Seas 7 ft.
.WED...SW wind 25 kt. Seas 8 ft.
.WED NIGHT...SW wind 25 kt. Seas 9 ft.
.THU...S wind 30 kt. Seas 9 ft.
.FRI THROUGH SAT...NE wind 30 kt. Seas 17 ft.

$$

PKZ179-140100-
Pribilof Islands Near Shore Waters-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...W wind 15 kt. Seas 6 ft.
.TONIGHT...NW wind 20 kt. Seas 6 ft.
.WED...NW wind 25 kt. Seas 8 ft.
.WED NIGHT...NW wind 25 kt. Seas 7 ft.
.THU...NW wind 20 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 4 ft.
.SAT...NE wind 20 kt. Seas 6 ft.

$$

PKZ180-140100-
Kuskokwim Delta and Etolin Strait-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...SW wind 10 kt. Seas in ice free waters 4 ft.
.TONIGHT...W wind 10 kt becoming NW after midnight. Seas in ice
free waters 3 ft.
.WED...NW wind 25 kt. Seas in ice free waters 4 ft.
.WED NIGHT...NW wind 25 kt. Seas in ice free waters 5 ft.
.THU...NW wind 25 kt. Seas in ice free waters 5 ft.
.FRI...N wind 20 kt. Seas in ice free waters 3 ft.
.SAT...N wind 25 kt. Seas in ice free waters 4 ft.

$$

PKZ181-140100-
North and West of Nunivak Island-
353 AM AKDT Tue Apr 13 2021

.TODAY...S wind 15 kt.
.TONIGHT...Variable wind 10 kt.
.WED...W wind 20 kt. Freezing spray.
.WED NIGHT...NW wind 20 kt.
.THU...NW wind 15 kt.
.FRI...S wind 15 kt.
.SAT...W wind 15 kt.

$$

PKZ185-140100-
Saint Matthew Island Waters-
353 AM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY TODAY AND WEDNESDAY...

.TODAY...Variable wind 10 kt E of Saint Matthew Island...NW 25 kt
W of Saint Matthew Island. Seas in ice free waters 5 ft. Freezing 
spray.
.TONIGHT...E of Saint Matthew Island, variable wind 10 kt becoming
W 20 kt after midnight. W of Saint Matthew Island, NW wind 20 kt. 
Seas in ice free waters 5 ft. Freezing spray.
.WED...NW wind 25 kt. Seas in ice free waters 6 ft. Freezing
spray.
.WED NIGHT...NW wind 20 kt. Seas in ice free waters 5 ft.
.THU THROUGH FRI...S wind 20 kt. Seas in ice free waters 7 ft.
.SAT...SW wind 15 kt. Seas in ice free waters 8 ft.

$$
654 
FZAK52 PAFC 132351
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
351 PM AKDT Tue Apr 13 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-141300-
351 PM AKDT Tue Apr 13 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 1004 mb low 110 nm south of Gambell dissipates Wed afternoon. A 
1004 mb low 205 nm south of Dutch Harbor merges with a 1010 mb Gulf 
of Alaska low for Thu morning. A front moves over the Aleutians by 
Wed afternoon into the Bering and dissipates through Thu afternoon.

$$

PKZ150-141300-
South of the AK Peninsula Sitkinak to Castle Cape-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas 6 ft. Rain showers.
.WED...NW wind 25 kt. Seas 8 ft.
.WED NIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...NE wind 25 kt. Seas 7 ft.
.SUN...NE wind 25 kt. Seas 14 ft.

$$

PKZ155-141300-
South of the AK Peninsula Castle Cape to Cape Sarichef-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...Variable wind 10 kt becoming NW 20 kt after midnight.
Seas 6 ft.
.WED...NW wind 25 kt. Seas 8 ft.
.WED NIGHT...NW wind 25 kt. Seas 9 ft.
.THU AND THU NIGHT...N wind 25 kt. Seas 7 ft.
.FRI...N wind 20 kt. Seas 6 ft.
.SAT...N wind 25 kt. Seas 6 ft.
.SUN...N wind 25 kt. Seas 17 ft.

$$

PKZ160-141300-
Bristol Bay-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...N wind 10 kt becoming NW 20 kt after midnight. Seas in
ice free waters 2 ft.
.WED...NW wind 25 kt. Seas in ice free waters 4 ft.
.WED NIGHT...W wind 25 kt. Seas in ice free waters 4 ft.
.THU AND THU NIGHT...N wind 15 kt. Seas in ice free waters 3 ft.
.FRI...N wind 15 kt. Seas in ice free waters 2 ft.
.SAT...N wind 20 kt. Seas in ice free waters 2 ft.
.SUN...N wind 25 kt. Seas in ice free waters 3 ft.

$$

PKZ165-141300-
Port Heiden to Cape Sarichef-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY NIGHT...

.TONIGHT...Variable wind 10 kt becoming NW 20 kt after midnight.
Seas 5 ft.
.WED...NW wind 20 kt. Seas 6 ft.
.WED NIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 20 kt. Seas 5 ft.
.SAT...N wind 25 kt. Seas 5 ft.
.SUN...N wind 25 kt. Seas 10 ft.

$$

PKZ170-141300-
Cape Sarichef to Nikolski Bering Side-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY NIGHT...

.TONIGHT...NW wind 15 kt increasing to 25 kt after midnight. Seas 7 
ft.
.WED...NW wind 25 kt. Seas 9 ft.
.WED NIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 20 kt. Seas 7 ft.
.SAT...NE wind 25 kt. Seas 5 ft.
.SUN...N wind 30 kt. Seas 13 ft.

$$

PKZ171-141300-
Unalaska Bay-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...NW wind 20 kt. Seas 5 ft. Snow showers.
.WED...NW wind 25 kt. Seas 7 ft. Snow showers.
.WED NIGHT...NW wind 25 kt. Seas 8 ft. Snow showers.
.THU...N wind 25 kt. Seas 7 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...N wind 15 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 6 ft.

$$

PKZ172-141300-
Cape Sarichef to Nikolski Pacific Side-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas 8 ft.
.WED...NW wind 25 kt. Seas 9 ft.
.WED NIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 30 kt. Seas 7 ft.
.THU NIGHT...N wind 25 kt. Seas 7 ft.
.FRI THROUGH SAT...N wind 25 kt. Seas 6 ft.
.SUN...N wind 25 kt. Seas 17 ft.

$$

PKZ173-141300-
Nikolski to Seguam Island Bering Side-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas 9 ft.
.WED...NW wind 25 kt. Seas 9 ft.
.WED NIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 20 kt. Seas 6 ft.
.THU NIGHT...N wind 15 kt. Seas 5 ft.
.FRI...NE wind 15 kt. Seas 5 ft.
.SAT...NE wind 25 kt. Seas 6 ft.
.SUN...N wind 30 kt. Seas 12 ft.

$$

PKZ174-141300-
Nikolski to Seguam Island Pacific Side-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY NIGHT...

.TONIGHT...NW wind 30 kt. Seas 12 ft.
.WED...NW wind 25 kt. Seas 10 ft.
.WED NIGHT...NW wind 25 kt. Seas 9 ft.
.THU...N wind 25 kt. Seas 6 ft.
.THU NIGHT...N wind 20 kt. Seas 6 ft.
.FRI...N wind 15 kt. Seas 6 ft.
.SAT...NE wind 25 kt. Seas 7 ft.
.SUN...N wind 30 kt. Seas 14 ft.

$$

PKZ175-141300-
Seguam Island to Adak Bering Side-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas 9 ft.
.WED...NW wind 25 kt. Seas 8 ft.
.WED NIGHT...W wind 25 kt. Seas 7 ft. Snow.
.THU...NW wind 20 kt. Seas 6 ft.
.THU NIGHT...Variable wind 10 kt. Seas 5 ft.
.FRI...SE wind 20 kt. Seas 5 ft.
.SAT...NE wind 20 kt. Seas 7 ft.
.SUN...N wind 30 kt. Seas 9 ft.

$$

PKZ176-141300-
Seguam Island to Adak Pacific Side-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY NIGHT...

.TONIGHT...NW wind 30 kt. Seas 12 ft.
.WED...NW wind 25 kt. Seas 8 ft.
.WED NIGHT...W wind 25 kt. Seas 7 ft. Snow.
.THU...NW wind 25 kt. Seas 7 ft.
.THU NIGHT...Variable wind 10 kt. Seas 5 ft.
.FRI...SE wind 20 kt. Seas 7 ft.
.SAT...NE wind 25 kt. Seas 11 ft.
.SUN...N wind 30 kt. Seas 11 ft.

$$

PKZ177-141300-
Adak to Kiska-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas 9 ft.
.WED...W wind 15 kt becoming SW 25 kt in the afternoon. Seas 7 ft.
.WED NIGHT...W wind 25 kt. Seas 7 ft.
.THU...W wind 20 kt. Seas 7 ft.
.THU NIGHT...SE wind 20 kt. Seas 5 ft.
.FRI...SE wind 30 kt. Seas 13 ft.
.SAT...NE wind 30 kt. Seas 14 ft.
.SUN...N wind 25 kt. Seas 13 ft.

$$

PKZ178-141300-
Kiska to Attu-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...W wind 20 kt. Seas 7 ft.
.WED...SW wind 30 kt. Seas 9 ft.
.WED NIGHT...SW wind 30 kt. Seas 9 ft.
.THU...S wind 25 kt. Seas 9 ft.
.THU NIGHT...SE wind 35 kt. Seas 11 ft.
.FRI...SE wind 40 kt. Seas 18 ft.
.SAT...NE wind 30 kt. Seas 16 ft.
.SUN...NE wind 25 kt. Seas 12 ft.

$$

PKZ179-141300-
Pribilof Islands Near Shore Waters-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...NW wind 20 kt. Seas 6 ft.
.WED...NW wind 25 kt. Seas 8 ft.
.WED NIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 20 kt. Seas 6 ft.
.THU NIGHT...Variable wind 10 kt. Seas 4 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.SAT...NE wind 20 kt. Seas 6 ft.
.SUN...N wind 25 kt. Seas 7 ft.

$$

PKZ180-141300-
Kuskokwim Delta and Etolin Strait-
351 PM AKDT Tue Apr 13 2021

.TONIGHT...SW wind 10 kt. Seas in ice free waters 3 ft.
.WED...NW wind 20 kt. Seas in ice free waters 4 ft. Freezing
spray.
.WED NIGHT...NW wind 20 kt. Seas in ice free waters 5 ft. Freezing
spray.
.THU AND THU NIGHT...NW wind 25 kt. Seas in ice free waters 5 ft.
.FRI...N wind 15 kt. Seas in ice free waters 3 ft.
.SAT THROUGH SUN...N wind 25 kt. Seas in ice free waters 5 ft.

$$

PKZ181-141300-
North and West of Nunivak Island-
351 PM AKDT Tue Apr 13 2021

.TONIGHT...S wind 15 kt.
.WED...W wind 20 kt.
.WED NIGHT...NW wind 20 kt.
.THU...NW wind 15 kt.
.THU NIGHT...W wind 15 kt.
.FRI...S wind 15 kt.
.SAT...W wind 15 kt.
.SUN...N wind 25 kt.

$$

PKZ185-141300-
Saint Matthew Island Waters-
351 PM AKDT Tue Apr 13 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY NIGHT...

.TONIGHT...NW wind 20 kt E of Saint Matthew Island... NW 25 kt W
of Saint Matthew Island. Seas in ice free waters 5 ft. Freezing 
spray.
.WED...NW wind 25 kt. Seas in ice free waters 6 ft. Freezing
spray.
.WED NIGHT...NW wind 25 kt. Seas in ice free waters 5 ft. Freezing
spray.
.THU AND THU NIGHT...SW wind 20 kt. Seas in ice free waters 6 ft.
.FRI...S wind 20 kt. Seas in ice free waters 7 ft.
.SAT...SW wind 15 kt. Seas in ice free waters 7 ft.
.SUN...NW wind 20 kt. Seas in ice free waters 8 ft.

$$
170 
FZAK52 PAFC 141121
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
321 AM AKDT Wed Apr 14 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-150000-
321 AM AKDT Wed Apr 14 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 1011 mb low 80 nm northwest of Nunivak Island dissipates Wed 
afternoon. A front moves over the western Aleutians by Wed 
afternoon and dissipates in the Bering through Thu afternoon. A 
1000 mb North Pacific low moves 370 nm west of Shemya by Fri 
morning.

$$

PKZ150-150000-
South of the AK Peninsula Sitkinak to Castle Cape-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...NW wind 25 kt. Seas 8 ft.
.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 6 ft.
.FRI...NE wind 20 kt. Seas 5 ft.
.SAT...NE wind 25 kt. Seas 7 ft.
.SUN...NE wind 30 kt. Seas 14 ft.

$$

PKZ155-150000-
South of the AK Peninsula Castle Cape to Cape Sarichef-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...NW wind 25 kt. Seas 8 ft.
.TONIGHT...NW wind 25 kt. Seas 9 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 6 ft.
.FRI...NE wind 20 kt. Seas 5 ft.
.SAT...NE wind 25 kt. Seas 7 ft.
.SUN...N wind 30 kt. Seas 13 ft.

$$

PKZ160-150000-
Bristol Bay-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas in ice free waters 4 ft.
.TONIGHT...W wind 25 kt. Seas in ice free waters 4 ft.
.THU...NW wind 15 kt. Seas in ice free waters 3 ft.
.THU NIGHT...N wind 15 kt. Seas in ice free waters 3 ft.
.FRI...NE wind 15 kt. Seas in ice free waters 2 ft.
.SAT...N wind 20 kt. Seas in ice free waters 2 ft.
.SUN...N wind 25 kt. Seas in ice free waters 3 ft.

$$

PKZ165-150000-
Port Heiden to Cape Sarichef-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY...

.TODAY...NW wind 20 kt. Seas 6 ft.
.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...NE wind 15 kt. Seas 5 ft.
.SAT...NE wind 20 kt. Seas 5 ft.
.SUN...N wind 30 kt. Seas 10 ft.

$$

PKZ170-150000-
Cape Sarichef to Nikolski Bering Side-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...NW wind 25 kt. Seas 9 ft.
.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...NE wind 15 kt. Seas 5 ft.
.SAT...NE wind 25 kt. Seas 6 ft.
.SUN...N wind 35 kt. Seas 11 ft.

$$

PKZ171-150000-
Unalaska Bay-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...NW wind 25 kt. Seas 7 ft. Snow showers.
.TONIGHT...NW wind 25 kt. Seas 8 ft. Snow showers.
.THU...NW wind 25 kt. Seas 7 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 4 ft.
.SUN...N wind 25 kt. Seas 7 ft.

$$

PKZ172-150000-
Cape Sarichef to Nikolski Pacific Side-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...NW wind 25 kt. Seas 9 ft.
.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 30 kt. Seas 7 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...NE wind 20 kt. Seas 5 ft.
.SAT...NE wind 25 kt. Seas 5 ft.
.SUN...N wind 30 kt. Seas 11 ft.

$$

PKZ173-150000-
Nikolski to Seguam Island Bering Side-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas 9 ft.
.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 20 kt. Seas 6 ft.
.THU NIGHT...N wind 15 kt. Seas 5 ft.
.FRI...SE wind 20 kt. Seas 5 ft.
.SAT...E wind 20 kt. Seas 6 ft.
.SUN...N wind 30 kt. Seas 11 ft.

$$

PKZ174-150000-
Nikolski to Seguam Island Pacific Side-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...NW wind 25 kt. Seas 10 ft.
.TONIGHT...NW wind 25 kt. Seas 9 ft.
.THU...N wind 25 kt. Seas 6 ft.
.THU NIGHT...N wind 20 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 5 ft.
.SAT...NE wind 20 kt. Seas 7 ft.
.SUN...N wind 30 kt. Seas 10 ft.

$$

PKZ175-150000-
Seguam Island to Adak Bering Side-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas 8 ft.
.TONIGHT...W wind 25 kt. Seas 7 ft. Snow.
.THU...NW wind 20 kt. Seas 6 ft.
.THU NIGHT...SE wind 15 kt. Seas 6 ft.
.FRI...S wind 30 kt. Seas 7 ft.
.SAT...E wind 25 kt. Seas 8 ft.
.SUN...N wind 25 kt. Seas 9 ft.

$$

PKZ176-150000-
Seguam Island to Adak Pacific Side-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...NW wind 25 kt. Seas 8 ft.
.TONIGHT...W wind 25 kt. Seas 7 ft. Snow.
.THU...NW wind 25 kt. Seas 7 ft.
.THU NIGHT...Variable wind 10 kt. Seas 5 ft.
.FRI...S wind 25 kt. Seas 9 ft.
.SAT...E wind 25 kt. Seas 12 ft.
.SUN...N wind 30 kt. Seas 12 ft.

$$

PKZ177-150000-
Adak to Kiska-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...W wind 15 kt becoming SW 25 kt in the afternoon. Seas 7
ft.
.TONIGHT...W wind 25 kt. Seas 7 ft.
.THU...W wind 20 kt. Seas 7 ft.
.THU NIGHT...S wind 25 kt. Seas 6 ft.
.FRI...S wind 35 kt. Seas 13 ft.
.SAT...E wind 30 kt. Seas 14 ft.
.SUN...N wind 25 kt. Seas 11 ft.

$$

PKZ178-150000-
Kiska to Attu-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...SW wind 30 kt. Seas 9 ft.
.TONIGHT...SW wind 30 kt. Seas 9 ft.
.THU...SW wind 25 kt. Seas 9 ft.
.THU NIGHT...SE wind 40 kt. Seas 13 ft.
.FRI...S wind 40 kt. Seas 20 ft.
.SAT...NE wind 35 kt. Seas 20 ft.
.SUN...NE wind 25 kt. Seas 10 ft.

$$

PKZ179-150000-
Pribilof Islands Near Shore Waters-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas 8 ft.
.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 20 kt. Seas 6 ft.
.THU NIGHT...Variable wind 10 kt. Seas 4 ft.
.FRI...S wind 15 kt. Seas 5 ft.
.SAT...E wind 15 kt. Seas 5 ft.
.SUN...N wind 30 kt. Seas 8 ft.

$$

PKZ180-150000-
Kuskokwim Delta and Etolin Strait-
321 AM AKDT Wed Apr 14 2021

.TODAY...NW wind 20 kt. Seas in ice free waters 4 ft. Freezing
spray.
.TONIGHT...NW wind 20 kt. Seas in ice free waters 5 ft. Freezing
spray.
.THU...N wind 20 kt. Seas in ice free waters 5 ft. Freezing spray.
.THU NIGHT...NW wind 20 kt. Seas in ice free waters 4 ft.
.FRI...E wind 15 kt. Seas in ice free waters 3 ft.
.SAT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN...N wind 25 kt. Seas in ice free waters 4 ft.

$$

PKZ181-150000-
North and West of Nunivak Island-
321 AM AKDT Wed Apr 14 2021

.TODAY...W wind 20 kt. Freezing spray.
.TONIGHT...NW wind 20 kt. Freezing spray.
.THU...NW wind 15 kt. Freezing spray.
.THU NIGHT...W wind 15 kt.
.FRI THROUGH SAT...S wind 20 kt.
.SUN...NW wind 25 kt.

$$

PKZ185-150000-
Saint Matthew Island Waters-
321 AM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...NW wind 25 kt. Seas in ice free waters 6 ft. Freezing
spray.
.TONIGHT...NW wind 25 kt. Seas in ice free waters 5 ft. Freezing
spray.
.THU...NW wind 15 kt E of Saint Matthew Island... S 25 kt W of
Saint Matthew Island. Seas in ice free waters 5 ft.
.THU NIGHT...SW wind 25 kt. Seas in ice free waters 7 ft.
.FRI THROUGH SAT...S wind 30 kt. Seas in ice free waters 10 ft.
.SUN...SW wind 20 kt. Seas in ice free waters 7 ft.

$$
777 
FZAK52 PAFC 142318
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
Issued by National Weather Service Fairbanks AK
318 PM AKDT Wed Apr 14 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-151230-
318 PM AKDT Wed Apr 14 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A front moving over the western Aleutians will dissipate in the 
Bering through Thu afternoon. A 1000 mb North Pacific low moves 370 
nm west of Shemya by Fri morning.

$$

PKZ150-151230-
South of the AK Peninsula Sitkinak to Castle Cape-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 6 ft.
.FRI AND FRI NIGHT...E wind 20 kt. Seas 5 ft.
.SAT...NE wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...E wind 30 kt. Seas 14 ft.

$$

PKZ155-151230-
South of the AK Peninsula Castle Cape to Cape Sarichef-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...NW wind 25 kt. Seas 9 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 6 ft.
.FRI AND FRI NIGHT...NE wind 20 kt. Seas 5 ft.
.SAT...NE wind 25 kt. Seas 7 ft.
.SUN THROUGH MON...NE wind 30 kt. Seas 13 ft.

$$

PKZ160-151230-
Bristol Bay-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...W wind 25 kt. Seas in ice free waters 4 ft.
.THU...NW wind 15 kt. Seas in ice free waters 3 ft.
.THU NIGHT...N wind 15 kt. Seas in ice free waters 3 ft.
.FRI AND FRI NIGHT...NE wind 15 kt. Seas in ice free waters 2 ft.
.SAT...NE wind 20 kt. Seas in ice free waters 2 ft.
.SUN...N wind 25 kt. Seas in ice free waters 3 ft.
.MON...NE wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ165-151230-
Port Heiden to Cape Sarichef-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.FRI NIGHT...NE wind 15 kt. Seas 4 ft.
.SAT...NE wind 20 kt. Seas 5 ft.
.SUN THROUGH MON...NE wind 30 kt. Seas 11 ft.

$$

PKZ170-151230-
Cape Sarichef to Nikolski Bering Side-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.FRI NIGHT...E wind 15 kt. Seas 5 ft.
.SAT...NE wind 25 kt. Seas 6 ft.
.SUN THROUGH MON...N wind 35 kt. Seas 13 ft.

$$

PKZ171-151230-
Unalaska Bay-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...NW wind 25 kt. Seas 8 ft. Snow showers.
.THU...NW wind 25 kt. Seas 7 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.FRI NIGHT...NE wind 10 kt. Seas 3 ft.
.SAT...NE wind 15 kt. Seas 3 ft.
.SUN THROUGH MON...N wind 25 kt. Seas 7 ft.

$$

PKZ172-151230-
Cape Sarichef to Nikolski Pacific Side-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 30 kt. Seas 7 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 20 kt. Seas 5 ft.
.FRI NIGHT...NE wind 15 kt. Seas 4 ft.
.SAT...NE wind 25 kt. Seas 5 ft.
.SUN THROUGH MON...N wind 30 kt. Seas 12 ft.

$$

PKZ173-151230-
Nikolski to Seguam Island Bering Side-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 20 kt. Seas 6 ft.
.THU NIGHT...N wind 15 kt. Seas 5 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...SE wind 20 kt. Seas 4 ft.
.SAT...E wind 20 kt. Seas 6 ft.
.SUN...N wind 30 kt. Seas 11 ft.
.MON...N wind 35 kt. Seas 17 ft.

$$

PKZ174-151230-
Nikolski to Seguam Island Pacific Side-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...NW wind 25 kt. Seas 9 ft.
.THU...N wind 25 kt. Seas 6 ft.
.THU NIGHT...N wind 20 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...SE wind 15 kt. Seas 4 ft.
.SAT...E wind 20 kt. Seas 7 ft.
.SUN...N wind 30 kt. Seas 10 ft.
.MON...N wind 35 kt. Seas 14 ft.

$$

PKZ175-151230-
Seguam Island to Adak Bering Side-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...W wind 25 kt. Seas 7 ft. Snow.
.THU...NW wind 20 kt. Seas 6 ft.
.THU NIGHT...Variable wind 10 kt becoming S 15 kt after midnight.
Seas 6 ft.
.FRI...S wind 25 kt. Seas 6 ft.
.FRI NIGHT...S wind 30 kt. Seas 7 ft.
.SAT...E wind 25 kt. Seas 8 ft.
.SUN...N wind 25 kt. Seas 9 ft.
.MON...N wind 30 kt. Seas 17 ft.

$$

PKZ176-151230-
Seguam Island to Adak Pacific Side-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...W wind 25 kt. Seas 7 ft. Snow.
.THU...NW wind 25 kt. Seas 7 ft.
.THU NIGHT...Variable wind 10 kt. Seas 5 ft.
.FRI...S wind 20 kt. Seas 5 ft.
.FRI NIGHT...S wind 25 kt. Seas 9 ft.
.SAT...E wind 25 kt. Seas 12 ft.
.SUN...N wind 30 kt. Seas 12 ft.
.MON...N wind 35 kt. Seas 13 ft.

$$

PKZ177-151230-
Adak to Kiska-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY TONIGHT AND THURSDAY NIGHT...

.TONIGHT...W wind 25 kt. Seas 7 ft.
.THU...W wind 20 kt. Seas 7 ft.
.THU NIGHT...S wind 15 kt becoming SE 25 kt after midnight. Seas
6 ft.
.FRI...SE wind 35 kt. Seas 13 ft.
.FRI NIGHT...S wind 30 kt. Seas 13 ft.
.SAT...NE wind 30 kt. Seas 14 ft.
.SUN...N wind 25 kt. Seas 11 ft.
.MON...N wind 30 kt. Seas 10 ft.

$$

PKZ178-151230-
Kiska to Attu-
318 PM AKDT Wed Apr 14 2021

...GALE WARNING THURSDAY NIGHT...

.TONIGHT...SW wind 30 kt. Seas 9 ft.
.THU...SW wind 25 kt. Seas 9 ft.
.THU NIGHT...SE wind 30 kt increasing to 40 kt after midnight.
Seas
13 ft. Rain.
.FRI...S wind 40 kt. Seas 19 ft.
.FRI NIGHT...SW wind 40 kt. Seas 20 ft.
.SAT...N wind 35 kt. Seas 20 ft.
.SUN...NE wind 25 kt. Seas 10 ft.
.MON...N wind 25 kt. Seas 5 ft.

$$

PKZ179-151230-
Pribilof Islands Near Shore Waters-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 25 kt. Seas 8 ft.
.THU...N wind 20 kt. Seas 6 ft.
.THU NIGHT...Variable wind 10 kt. Seas 4 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...SE wind 15 kt. Seas 5 ft.
.SAT...E wind 20 kt. Seas 5 ft.
.SUN...N wind 30 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 12 ft.

$$

PKZ180-151230-
Kuskokwim Delta and Etolin Strait-
318 PM AKDT Wed Apr 14 2021

.TONIGHT...NW wind 20 kt. Seas in ice free waters 5 ft. Freezing
spray.
.THU...N wind 20 kt. Seas in ice free waters 5 ft. Freezing spray.
.THU NIGHT...NW wind 20 kt. Seas in ice free waters 4 ft.
.FRI...N wind 15 kt. Seas in ice free waters 3 ft.
.FRI NIGHT...E wind 15 kt. Seas in ice free waters 3 ft.
.SAT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN THROUGH MON...N wind 25 kt. Seas in ice free waters 5 ft.

$$

PKZ181-151230-
North and West of Nunivak Island-
318 PM AKDT Wed Apr 14 2021

.TONIGHT...NW wind 20 kt. Freezing spray.
.THU...NW wind 15 kt. Freezing spray.
.THU NIGHT...SW wind 15 kt.
.FRI AND FRI NIGHT...S wind 20 kt.
.SAT...S wind 20 kt.
.SUN THROUGH MON...N wind 25 kt.

$$

PKZ185-151230-
Saint Matthew Island Waters-
318 PM AKDT Wed Apr 14 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY NIGHT...

.TONIGHT...NW wind 25 kt. Seas in ice free waters 5 ft. Freezing
spray.
.THU...NW wind 15 kt E of Saint Matthew Island... S 25 kt W of
Saint
Matthew Island. Seas in ice free waters 5 ft.
.THU NIGHT...S wind 25 kt. Seas in ice free waters 7 ft.
.FRI AND FRI NIGHT...S wind 30 kt. Seas in ice free waters 9 ft.
.SAT...S wind 30 kt. Seas in ice free waters 10 ft.
.SUN...SW wind 20 kt. Seas in ice free waters 7 ft.
.MON...NW wind 25 kt. Seas in ice free waters 4 ft.

$$
123 
FZAK52 PAFC 151116
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
316 AM AKDT Thu Apr 15 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-160030-
316 AM AKDT Thu Apr 15 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A front moves over the central Bering and central Aleutians
and dissipates in the Bering through Thu evening. A 1008 mb North
Pacific low moves 380 nm west of Shemya Fri morning and moves 
near the Gulf of Anadyr at 1001 mb by Sat morning.

$$

PKZ150-160030-
South of the AK Peninsula Sitkinak to Castle Cape-
316 AM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 8 ft.
.TONIGHT...N wind 20 kt. Seas 6 ft.
.FRI...NE wind 20 kt. Seas 6 ft.
.FRI NIGHT...NE wind 30 kt. Seas 8 ft.
.SAT...NE wind 30 kt. Seas 8 ft.
.SUN...NE wind 30 kt. Seas 12 ft.
.MON...E wind 30 kt. Seas 17 ft.

$$

PKZ155-160030-
South of the AK Peninsula Castle Cape to Cape Sarichef-
316 AM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY TODAY AND FRIDAY...

.TODAY...N wind 25 kt. Seas 8 ft.
.TONIGHT...N wind 20 kt. Seas 6 ft.
.FRI...NE wind 25 kt. Seas 7 ft.
.FRI NIGHT...NE wind 20 kt. Seas 6 ft.
.SAT...NE wind 25 kt. Seas 6 ft.
.SUN...NE wind 30 kt. Seas 11 ft.
.MON...NE wind 30 kt. Seas 15 ft.

$$

PKZ160-160030-
Bristol Bay-
316 AM AKDT Thu Apr 15 2021

.TODAY...NW wind 15 kt. Seas in ice free waters 3 ft.
.TONIGHT...N wind 15 kt. Seas in ice free waters 3 ft.
.FRI...NE wind 15 kt diminishing to 10 kt in the afternoon. Seas
in ice free waters 2 ft.
.FRI NIGHT...NE wind 20 kt. Seas in ice free waters 2 ft.
.SAT THROUGH SUN...NE wind 20 kt. Seas in ice free waters 3 ft.
.MON...NE wind 25 kt. Seas in ice free waters 3 ft.

$$

PKZ165-160030-
Port Heiden to Cape Sarichef-
316 AM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 8 ft.
.TONIGHT...N wind 20 kt. Seas 7 ft.
.FRI...NE wind 15 kt. Seas 5 ft.
.FRI NIGHT...NE wind 15 kt. Seas 5 ft.
.SAT...NE wind 20 kt. Seas 5 ft.
.SUN THROUGH MON...NE wind 25 kt. Seas 7 ft.

$$

PKZ170-160030-
Cape Sarichef to Nikolski Bering Side-
316 AM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 8 ft.
.TONIGHT...N wind 20 kt. Seas 7 ft.
.FRI...NE wind 20 kt. Seas 5 ft.
.FRI NIGHT...E wind 15 kt. Seas 5 ft.
.SAT...NE wind 15 kt. Seas 5 ft.
.SUN...N wind 25 kt. Seas 7 ft.
.MON...N wind 30 kt. Seas 11 ft.

$$

PKZ171-160030-
Unalaska Bay-
316 AM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NW wind 25 kt. Seas 7 ft.
.TONIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt becoming NE in the afternoon. Seas 5 ft
subsiding to 3 ft in the afternoon.
.FRI NIGHT...SE wind 10 kt. Seas 3 ft.
.SAT THROUGH SUN...N wind 15 kt. Seas 4 ft.
.MON...NE wind 20 kt. Seas 7 ft.

$$

PKZ172-160030-
Cape Sarichef to Nikolski Pacific Side-
316 AM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 30 kt. Seas 7 ft.
.TONIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 20 kt. Seas 5 ft.
.FRI NIGHT...NE wind 15 kt. Seas 4 ft.
.SAT...NE wind 20 kt. Seas 5 ft.
.SUN...N wind 25 kt. Seas 7 ft.
.MON...N wind 30 kt. Seas 12 ft.

$$

PKZ173-160030-
Nikolski to Seguam Island Bering Side-
316 AM AKDT Thu Apr 15 2021

.TODAY...N wind 20 kt. Seas 6 ft.
.TONIGHT...N wind 15 kt. Seas 5 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...SE wind 20 kt. Seas 5 ft.
.SAT...SE wind 20 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 11 ft.

$$

PKZ174-160030-
Nikolski to Seguam Island Pacific Side-
316 AM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 6 ft.
.TONIGHT...N wind 20 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...SE wind 15 kt. Seas 4 ft.
.SAT...E wind 15 kt. Seas 4 ft.
.SUN...N wind 25 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 12 ft.

$$

PKZ175-160030-
Seguam Island to Adak Bering Side-
316 AM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY FRIDAY...

.TODAY...NW wind 20 kt. Seas 6 ft.
.TONIGHT...Variable wind 10 kt becoming S 15 kt after midnight.
Seas 6 ft.
.FRI...SE wind 15 kt increasing to 25 kt in the afternoon. Seas
6 ft.
.FRI NIGHT...SE wind 25 kt. Seas 6 ft.
.SAT...S wind 20 kt. Seas 8 ft.
.SUN...N wind 25 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 8 ft.

$$

PKZ176-160030-
Seguam Island to Adak Pacific Side-
316 AM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NW wind 25 kt. Seas 7 ft.
.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.FRI...SE wind 20 kt. Seas 5 ft.
.FRI NIGHT...SE wind 20 kt. Seas 7 ft.
.SAT...SE wind 20 kt. Seas 7 ft.
.SUN...NW wind 25 kt. Seas 7 ft.
.MON...NW wind 30 kt. Seas 9 ft.

$$

PKZ177-160030-
Adak to Kiska-
316 AM AKDT Thu Apr 15 2021

...GALE WARNING FRIDAY...

.TODAY...W wind 20 kt. Seas 7 ft.
.TONIGHT...S wind 15 kt becoming SE 25 kt after midnight. Seas 6
ft building to 9 ft after midnight.
.FRI...SE wind 35 kt. Seas 11 ft.
.FRI NIGHT...S wind 30 kt. Seas 13 ft.
.SAT...NW wind 30 kt. Seas 10 ft.
.SUN...NW wind 25 kt. Seas 8 ft.
.MON...NW wind 30 kt. Seas 7 ft.

$$

PKZ178-160030-
Kiska to Attu-
316 AM AKDT Thu Apr 15 2021

...GALE WARNING TONIGHT AND FRIDAY...

.TODAY...SW wind 25 kt. Seas 9 ft.
.TONIGHT...SE wind 30 kt increasing to 40 kt after midnight. Seas
13 ft. Rain.
.FRI...SE wind 40 kt. Seas 17 ft. Rain.
.FRI NIGHT...NW wind 35 kt. Seas 15 ft.
.SAT...NW wind 30 kt. Seas 12 ft.
.SUN THROUGH MON...N wind 20 kt. Seas 6 ft.

$$

PKZ179-160030-
Pribilof Islands Near Shore Waters-
316 AM AKDT Thu Apr 15 2021

.TODAY...N wind 20 kt. Seas 6 ft.
.TONIGHT...Variable wind 10 kt. Seas 4 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...SE wind 20 kt. Seas 6 ft.
.SAT...SE wind 20 kt. Seas 5 ft.
.SUN...N wind 20 kt. Seas 7 ft.
.MON...N wind 25 kt. Seas 7 ft.

$$

PKZ180-160030-
Kuskokwim Delta and Etolin Strait-
316 AM AKDT Thu Apr 15 2021

.TODAY...N wind 20 kt. Seas in ice free waters 5 ft. Freezing
spray.
.TONIGHT...NW wind 20 kt. Seas in ice free waters 4 ft.
.FRI...N wind 15 kt becoming NE in the afternoon. Seas in ice free
waters 3 ft.
.FRI NIGHT...E wind 15 kt. Seas in ice free waters 4 ft.
.SAT THROUGH SUN...NE wind 20 kt. Seas in ice free waters 4 ft.
.MON...NE wind 25 kt. Seas in ice free waters 5 ft.

$$

PKZ181-160030-
North and West of Nunivak Island-
316 AM AKDT Thu Apr 15 2021

.TODAY...NW wind 15 kt. Seas in ice free waters 2 ft becoming 1
foot in the afternoon. Freezing spray.
.TONIGHT...SW wind 15 kt. Seas in ice free waters 2 ft.
.FRI...S wind 15 kt. Seas in ice free waters 3 ft.
.FRI NIGHT...SE wind 15 kt. Seas in ice free waters 3 ft.
.SAT...SE wind 20 kt. Seas in ice free waters 4 ft.
.SUN THROUGH MON...N wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ185-160030-
Saint Matthew Island Waters-
316 AM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...NW wind 15 kt E of Saint Matthew Island...S 25 kt W of
Saint Matthew Island. Seas in ice free waters 5 ft.
.TONIGHT...S wind 25 kt. Seas in ice free waters 7 ft.
.FRI...S wind 20 kt E of Saint Matthew Island...S 30 kt W of Saint
Matthew Island. Seas in ice free waters 8 ft.
.FRI NIGHT...S wind 35 kt. Seas in ice free waters 11 ft.
.SAT...S wind 30 kt. Seas in ice free waters 12 ft.
.SUN...N wind 20 kt. Seas in ice free waters 9 ft.
.MON...N wind 25 kt. Seas in ice free waters 6 ft.

$$
380 
FZAK52 PAFC 152342
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
342 PM AKDT Thu Apr 15 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-161245-
342 PM AKDT Thu Apr 15 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...
A front over the central Bering dissipates through Thu night. A 1042
mb North Pacific high 260 NM southwest of Adak moves 130 NM 
northwest of Dutch Harbor Fri morning and moves to 30 NM south of 
Nunivak Fri night. A 1006 mb low will be 80 NM north of Attu Fri 
afternoon.

$$

PKZ150-161245-
South of the AK Peninsula Sitkinak to Castle Cape-
342 PM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY TONIGHT AND FRIDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 6 ft.
.FRI...NE wind 20 kt. Seas 6 ft.
.FRI NIGHT...NE wind 25 kt. Seas 8 ft.
.SAT AND SAT NIGHT...NE wind 30 kt. Seas 12 ft.
.SUN...NE wind 30 kt. Seas 12 ft.
.MON...E wind 30 kt. Seas 17 ft.
.TUE...E wind 30 kt. Seas 12 ft.

$$

PKZ155-161245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
342 PM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY FRIDAY AND FRIDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 6 ft.
.FRI...N wind 25 kt. Seas 6 ft.
.FRI NIGHT...NE wind 25 kt. Seas 6 ft.
.SAT...NE wind 25 kt. Seas 6 ft.
.SAT NIGHT...NE wind 30 kt. Seas 6 ft.
.SUN...NE wind 30 kt. Seas 11 ft.
.MON...NE wind 30 kt. Seas 15 ft.
.TUE...E wind 25 kt. Seas 12 ft.

$$

PKZ160-161245-
Bristol Bay-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...N wind 15 kt. Seas in ice free waters 3 ft.
.FRI...NE wind 15 kt. Seas in ice free waters 3 ft.
.FRI NIGHT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SAT AND SAT NIGHT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 4 ft.
.MON THROUGH TUE...E wind 25 kt. Seas in ice free waters 6 ft.

$$

PKZ165-161245-
Port Heiden to Cape Sarichef-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...N wind 20 kt. Seas 7 ft.
.FRI...NE wind 20 kt. Seas 5 ft.
.FRI NIGHT...NE wind 15 kt. Seas 5 ft.
.SAT AND SAT NIGHT...NE wind 20 kt. Seas 5 ft.
.SUN THROUGH TUE...NE wind 25 kt. Seas 7 ft.

$$

PKZ170-161245-
Cape Sarichef to Nikolski Bering Side-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...N wind 20 kt. Seas 7 ft.
.FRI...NE wind 20 kt. Seas 5 ft.
.FRI NIGHT...NE wind 15 kt. Seas 5 ft.
.SAT...Variable wind 10 kt. Seas 5 ft.
.SAT NIGHT...NE wind 15 kt. Seas 4 ft.
.SUN...N wind 25 kt. Seas 7 ft.
.MON...N wind 30 kt. Seas 11 ft.
.TUE...NE wind 25 kt. Seas 9 ft.

$$

PKZ171-161245-
Unalaska Bay-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...N wind 20 kt. Seas 6 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.FRI NIGHT...NE wind 10 kt in the evening becoming variable less
than 10 kt. Seas 3 ft.
.SAT...E wind 10 kt. Seas 2 ft.
.SAT NIGHT...N wind 10 kt. Seas 3 ft.
.SUN...N wind 15 kt. Seas 5 ft.
.MON...NE wind 20 kt. Seas 7 ft.
.TUE...NE wind 15 kt. Seas 5 ft.

$$

PKZ172-161245-
Cape Sarichef to Nikolski Pacific Side-
342 PM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt. Seas 8 ft.
.FRI...N wind 20 kt. Seas 6 ft.
.FRI NIGHT...NE wind 20 kt. Seas 6 ft.
.SAT AND SAT NIGHT...NE wind 20 kt. Seas 6 ft.
.SUN...N wind 25 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 12 ft.
.TUE...NE wind 25 kt. Seas 12 ft.

$$

PKZ173-161245-
Nikolski to Seguam Island Bering Side-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...N wind 15 kt. Seas 5 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...SE wind 20 kt. Seas 5 ft.
.SAT...SE wind 15 kt. Seas 4 ft.
.SAT NIGHT...NE wind 15 kt. Seas 3 ft.
.SUN...N wind 25 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 11 ft.
.TUE...N wind 25 kt. Seas 11 ft.

$$

PKZ174-161245-
Nikolski to Seguam Island Pacific Side-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...N wind 15 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...SE wind 15 kt. Seas 4 ft.
.SAT...SE wind 15 kt. Seas 4 ft.
.SAT NIGHT...NE wind 15 kt. Seas 4 ft.
.SUN...N wind 25 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 12 ft.
.TUE...N wind 25 kt. Seas 11 ft.

$$

PKZ175-161245-
Seguam Island to Adak Bering Side-
342 PM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...Variable wind 10 kt becoming S 15 kt after midnight. Seas
5 ft.
.FRI...SE wind 20 kt. Seas 5 ft.
.FRI NIGHT...SE wind 25 kt. Seas 6 ft.
.SAT...SE wind 20 kt. Seas 5 ft.
.SAT NIGHT...E wind 15 kt. Seas 4 ft.
.SUN...N wind 25 kt. Seas 7 ft.
.MON THROUGH TUE...N wind 30 kt. Seas 9 ft.

$$

PKZ176-161245-
Seguam Island to Adak Pacific Side-
342 PM AKDT Thu Apr 15 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...N wind 15 kt becoming variable 10 kt after midnight. Seas
5 ft.
.FRI...SE wind 20 kt. Seas 4 ft.
.FRI NIGHT...SE wind 25 kt. Seas 7 ft.
.SAT...SE wind 20 kt. Seas 7 ft.
.SAT NIGHT...E wind 15 kt. Seas 6 ft.
.SUN...N wind 25 kt. Seas 7 ft.
.MON THROUGH TUE...N wind 30 kt. Seas 9 ft.

$$

PKZ177-161245-
Adak to Kiska-
342 PM AKDT Thu Apr 15 2021

...GALE WARNING FRIDAY...

.TONIGHT...S wind 15 kt becoming SE 25 kt after midnight. Seas 6
ft. Areas of fog.
.FRI...SE wind 25 kt increasing to 35 kt in the afternoon. Seas 7 ft
building to 11 ft in the afternoon. Areas of fog.
.FRI NIGHT...SE wind 30 kt. Seas 13 ft. Rain.
.SAT...NE wind 30 kt. Seas 10 ft.
.SAT NIGHT...N wind 25 kt. Seas 9 ft.
.SUN...NW wind 25 kt. Seas 8 ft.
.MON THROUGH TUE...NW wind 30 kt. Seas 7 ft.

$$

PKZ178-161245-
Kiska to Attu-
342 PM AKDT Thu Apr 15 2021

...GALE WARNING THROUGH FRIDAY...

.TONIGHT...SE wind 25 kt increasing to 35 kt after midnight. Seas 12
ft. Areas of fog.
.FRI...SE wind 40 kt. Seas 17 ft. Areas of fog. Rain showers.
.FRI NIGHT...W wind 30 kt. Seas 16 ft.
.SAT...NW wind 30 kt. Seas 14 ft.
.SAT NIGHT...NW wind 25 kt. Seas 10 ft.
.SUN THROUGH TUE...N wind 20 kt. Seas 7 ft.

$$

PKZ179-161245-
Pribilof Islands Near Shore Waters-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...Variable wind 10 kt. Seas 4 ft.
.FRI...Variable wind 10 kt. Seas 5 ft.
.FRI NIGHT...SE wind 15 kt. Seas 5 ft.
.SAT...SE wind 15 kt. Seas 5 ft.
.SAT NIGHT...E wind 15 kt. Seas 5 ft.
.SUN...N wind 20 kt. Seas 6 ft.
.MON THROUGH TUE...NE wind 25 kt. Seas 7 ft.

$$

PKZ180-161245-
Kuskokwim Delta and Etolin Strait-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...N wind 20 kt. Seas in ice free waters 5 ft. 
.FRI...N wind 15 kt becoming NE in the afternoon. Seas in ice free
waters 3 ft.
.FRI NIGHT...E wind 20 kt. Seas in ice free waters 4 ft.
.SAT...E wind 20 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 4 ft.
.MON THROUGH TUE...NE wind 25 kt. Seas in ice free waters 6 ft.

$$

PKZ181-161245-
North and West of Nunivak Island-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...SW wind 15 kt. Seas in ice free waters 3 ft.
.FRI...S wind 15 kt. Seas in ice free waters 3 ft.
.FRI NIGHT...S wind 15 kt. Seas in ice free waters 3 ft.
.SAT AND SAT NIGHT...E wind 15 kt. Seas in ice free waters 3 ft.
.SUN THROUGH TUE...NE wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ185-161245-
Saint Matthew Island Waters-
342 PM AKDT Thu Apr 15 2021

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...S wind 25 kt. Seas in ice free waters 7 ft.
.FRI...S wind 20 kt E of Saint Matthew Island...S 30 kt W of Saint
Matthew Island. Seas in ice free waters 7 ft.
.FRI NIGHT...S wind 20 kt E of Saint Matthew Island... S 40 kt W
of Saint Matthew Island. Seas in ice free waters 10 ft.
.SAT...SE wind 30 kt. Seas in ice free waters 11 ft.
.SAT NIGHT...SE wind 25 kt. Seas in ice free waters 11 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 7 ft.
.MON THROUGH TUE...N wind 25 kt. Seas in ice free waters 6 ft.

$$
274 
FZAK52 PAFC 161123
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
323 AM AKDT Fri Apr 16 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-170000-
323 AM AKDT Fri Apr 16 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 1005 mb North Pacific low moves to 400 nm northwest of Shemya 
by Fri afternoon it moves near the Gulf of Anadyr Sat morning at 
1005 mb and then slowly moves to 300 nm west of St Matthew Island 
Sun morning at 1019 mb. Its front moves across the western and 
central Bering and Aleutians through Sunday morning and weakens. 
High pressure will dominate the Pribilofs and eastern Bering 
through Sunday morning.

$$

PKZ150-170000-
South of the AK Peninsula Sitkinak to Castle Cape-
323 AM AKDT Fri Apr 16 2021

...SMALL CRAFT ADVISORY TONIGHT AND SATURDAY...

.TODAY...NE wind 20 kt. Seas 6 ft.
.TONIGHT...NE wind 25 kt. Seas 6 ft.
.SAT...NE wind 25 kt. Seas 6 ft. Rain.
.SAT NIGHT...NE wind 30 kt. Seas 7 ft.
.SUN THROUGH TUE...E wind 30 kt. Seas 12 ft.

$$

PKZ155-170000-
South of the AK Peninsula Castle Cape to Cape Sarichef-
323 AM AKDT Fri Apr 16 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 6 ft.
.TONIGHT...NE wind 20 kt. Seas 6 ft.
.SAT...NE wind 20 kt. Seas 5 ft.
.SAT NIGHT...NE wind 25 kt. Seas 6 ft.
.SUN THROUGH TUE...E wind 30 kt. Seas 12 ft.

$$

PKZ160-170000-
Bristol Bay-
323 AM AKDT Fri Apr 16 2021

.TODAY...NE wind 15 kt. Seas in ice free waters 3 ft.
.TONIGHT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SAT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN THROUGH TUE...E wind 25 kt. Seas in ice free waters 4 ft.

$$

PKZ165-170000-
Port Heiden to Cape Sarichef-
323 AM AKDT Fri Apr 16 2021

.TODAY...NE wind 20 kt. Seas 5 ft.
.TONIGHT...NE wind 15 kt. Seas 5 ft.
.SAT...NE wind 15 kt. Seas 5 ft.
.SAT NIGHT...NE wind 20 kt. Seas 5 ft.
.SUN THROUGH MON...NE wind 25 kt. Seas 6 ft.
.TUE...NE wind 30 kt. Seas 10 ft.

$$

PKZ170-170000-
Cape Sarichef to Nikolski Bering Side-
323 AM AKDT Fri Apr 16 2021

.TODAY...NE wind 20 kt. Seas 5 ft.
.TONIGHT...NE wind 15 kt. Seas 6 ft.
.SAT...Variable wind 10 kt. Seas 5 ft.
.SAT NIGHT...NE wind 20 kt. Seas 4 ft.
.SUN THROUGH TUE...NE wind 25 kt. Seas 9 ft.

$$

PKZ171-170000-
Unalaska Bay-
323 AM AKDT Fri Apr 16 2021

.TODAY...N wind 15 kt. Seas 5 ft.
.TONIGHT...NE wind 10 kt in the evening becoming variable less
than 10 kt. Seas 3 ft.
.SAT...E wind 10 kt. Seas 2 ft.
.SAT NIGHT...N wind 15 kt. Seas 3 ft.
.SUN THROUGH TUE...NE wind 15 kt. Seas 5 ft.

$$

PKZ172-170000-
Cape Sarichef to Nikolski Pacific Side-
323 AM AKDT Fri Apr 16 2021

.TODAY...N wind 20 kt. Seas 5 ft.
.TONIGHT...NE wind 15 kt. Seas 5 ft.
.SAT...NE wind 20 kt. Seas 5 ft.
.SAT NIGHT...N wind 20 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 6 ft.
.MON...NE wind 25 kt. Seas 8 ft.
.TUE...NE wind 25 kt. Seas 13 ft.

$$

PKZ173-170000-
Nikolski to Seguam Island Bering Side-
323 AM AKDT Fri Apr 16 2021

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...E wind 15 kt. Seas 5 ft.
.SAT...SE wind 15 kt. Seas 4 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 3 ft.
.SUN...N wind 25 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 11 ft.
.TUE...N wind 20 kt. Seas 10 ft.

$$

PKZ174-170000-
Nikolski to Seguam Island Pacific Side-
323 AM AKDT Fri Apr 16 2021

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...SE wind 15 kt. Seas 4 ft.
.SAT...SE wind 15 kt. Seas 4 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN THROUGH MON...N wind 30 kt. Seas 10 ft.
.TUE...N wind 20 kt. Seas 9 ft.

$$

PKZ175-170000-
Seguam Island to Adak Bering Side-
323 AM AKDT Fri Apr 16 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TODAY...SE wind 20 kt. Seas 5 ft.
.TONIGHT...SE wind 25 kt. Seas 6 ft.
.SAT...SE wind 20 kt. Seas 5 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN...N wind 25 kt. Seas 6 ft.
.MON...NW wind 30 kt. Seas 10 ft.
.TUE...N wind 25 kt. Seas 10 ft.

$$

PKZ176-170000-
Seguam Island to Adak Pacific Side-
323 AM AKDT Fri Apr 16 2021

.TODAY...SE wind 20 kt. Seas 4 ft.
.TONIGHT...SE wind 20 kt. Seas 6 ft.
.SAT...SE wind 20 kt. Seas 6 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 6 ft.
.SUN...N wind 25 kt. Seas 7 ft.
.MON...NW wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 8 ft.

$$

PKZ177-170000-
Adak to Kiska-
323 AM AKDT Fri Apr 16 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE wind 35 kt. Seas 7 ft building to 11 ft in the
afternoon. Areas of fog.
.TONIGHT...SE wind 35 kt becoming S 25 kt after midnight. Seas
12 ft. Rain.
.SAT...SE wind 30 kt becoming N in the afternoon. Seas 9 ft. Rain.
.SAT NIGHT...N wind 30 kt. Seas 10 ft.
.SUN...N wind 25 kt. Seas 8 ft.
.MON...NW wind 30 kt. Seas 7 ft.
.TUE...N wind 25 kt. Seas 8 ft.

$$

PKZ178-170000-
Kiska to Attu-
323 AM AKDT Fri Apr 16 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE wind 40 kt. Seas 17 ft. Areas of fog. Rain.
.TONIGHT...W wind 35 kt. Seas 15 ft. Rain.
.SAT...NW wind 30 kt. Seas 13 ft.
.SAT NIGHT...NW wind 25 kt. Seas 10 ft.
.SUN...NW wind 15 kt. Seas 7 ft.
.MON...NW wind 20 kt. Seas 4 ft.
.TUE...N wind 20 kt. Seas 8 ft.

$$

PKZ179-170000-
Pribilof Islands Near Shore Waters-
323 AM AKDT Fri Apr 16 2021

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...SE wind 15 kt. Seas 5 ft.
.SAT...SE wind 15 kt. Seas 5 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 5 ft.
.SUN...N wind 20 kt. Seas 6 ft.
.MON THROUGH TUE...NE wind 25 kt. Seas 9 ft.

$$

PKZ180-170000-
Kuskokwim Delta and Etolin Strait-
323 AM AKDT Fri Apr 16 2021

.TODAY...N wind 15 kt becoming NE in the afternoon. Seas in ice
free waters 3 ft.
.TONIGHT...NE wind 15 kt. Seas in ice free waters 4 ft.
.SAT...E wind 20 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN THROUGH MON...NE wind 25 kt. Seas in ice free waters 5 ft.
.TUE...NE wind 30 kt. Seas in ice free waters 6 ft.

$$

PKZ181-170000-
North and West of Nunivak Island-
323 AM AKDT Fri Apr 16 2021

.TODAY...S wind 15 kt. Seas in ice free waters 3 ft.
.TONIGHT...S wind 15 kt. Seas in ice free waters 3 ft.
.SAT...SE wind 15 kt. Seas in ice free waters 3 ft.
.SAT NIGHT...Variable wind 10 kt. Seas in ice free waters 3 ft.
.SUN...N wind 20 kt. Seas in ice free waters 3 ft.
.MON...N wind 25 kt. Seas in ice free waters 3 ft.
.TUE...NE wind 20 kt. Seas in ice free waters 3 ft.

$$

PKZ185-170000-
Saint Matthew Island Waters-
323 AM AKDT Fri Apr 16 2021

...GALE WARNING TONIGHT...
...HEAVY FREEZING SPRAY WARNING TODAY...

.TODAY...S wind 20 kt E of Saint Matthew Island...S 30 kt W of
Saint Matthew Island. Seas in ice free waters 7 ft. Heavy freezing
spray E of Saint Matthew Island in the morning. 
.TONIGHT...S wind 20 kt E of Saint Matthew Island...S 35 kt W of
Saint Matthew Island. Seas in ice free waters 10 ft.
.SAT...SE wind 20 kt E of Saint Matthew Island... S 30 kt W of
Saint Matthew Island. Seas in ice free waters 11 ft.
.SAT NIGHT...S wind 25 kt. Seas in ice free waters 10 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 7 ft.
.MON THROUGH TUE...NE wind 25 kt. Seas in ice free waters 6 ft.

$$
706 
FZAK52 PAFC 162359
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
359 PM AKDT Fri Apr 16 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-171300-
359 PM AKDT Fri Apr 16 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

SEMISOPOCHNOI VOLCANO, 140 NM NORTHWEST OF ADAK IS CURRENTLY 
ACTIVE.

A 1004 mb low 325 nm northwest of Shemya moves 300 nm west of Saint
Matthew Island at 1023 mb Sun morning and dissipates. Its front 
moves eastward then stalls over the western to central Aleutians and 
central Bering through Sunday morning and weakens. A trough from the 
North Pacific enters the eastern Bering Sat night and drifts westward
through Pribilof Islands through Sun afternoon.

$$

PKZ150-171300-
South of the AK Peninsula Sitkinak to Castle Cape-
359 PM AKDT Fri Apr 16 2021

...SMALL CRAFT ADVISORY THROUGH SATURDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 8 ft.
.SAT...E wind 25 kt. Seas 8 ft.
.SAT NIGHT...NE wind 25 kt. Seas 8 ft. Rain.
.SUN...NE wind 30 kt. Seas 10 ft.
.SUN NIGHT...NE wind 35 kt. Seas 12 ft.
.MON THROUGH WED...E wind 30 kt. Seas 13 ft.

$$

PKZ155-171300-
South of the AK Peninsula Castle Cape to Cape Sarichef-
359 PM AKDT Fri Apr 16 2021

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...NE wind 20 kt. Seas 6 ft.
.SAT...NE wind 20 kt. Seas 5 ft.
.SAT NIGHT...N wind 20 kt except NE 25 kt from the Shumagin
Islands E. Seas 6 ft. Rain.
.SUN...NE wind 25 kt. Seas 6 ft.
.SUN NIGHT...NE wind 30 kt. Seas 11 ft.
.MON THROUGH WED...NE wind 30 kt. Seas 14 ft.

$$

PKZ160-171300-
Bristol Bay-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SAT...NE wind 20 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...NE wind 15 kt. Seas in ice free waters 3 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN NIGHT...NE wind 30 kt. Seas in ice free waters 6 ft.
.MON...NE wind 30 kt. Seas in ice free waters 6 ft.
.TUE THROUGH WED...NE wind 25 kt. Seas in ice free waters 4 ft.

$$

PKZ165-171300-
Port Heiden to Cape Sarichef-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...NE wind 15 kt. Seas 5 ft.
.SAT...NE wind 20 kt. Seas 5 ft.
.SAT NIGHT...NE wind 20 kt. Seas 5 ft.
.SUN...NE wind 20 kt. Seas 5 ft.
.SUN NIGHT...NE wind 30 kt. Seas 6 ft.
.MON THROUGH WED...NE wind 30 kt. Seas 10 ft.

$$

PKZ170-171300-
Cape Sarichef to Nikolski Bering Side-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...NE wind 15 kt. Seas 6 ft.
.SAT...Variable wind 10 kt. Seas 5 ft.
.SAT NIGHT...N wind 15 kt. Seas 4 ft.
.SUN AND SUN NIGHT...N wind 25 kt. Seas 7 ft.
.MON...NE wind 30 kt. Seas 10 ft.
.TUE THROUGH WED...NE wind 25 kt. Seas 11 ft.

$$

PKZ171-171300-
Unalaska Bay-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...NE wind 10 kt becoming variable less than 10 kt after
midnight. Seas 3 ft.
.SAT...Variable wind less than 10 kt becoming E 10 kt in the
afternoon. Seas 3 ft.
.SAT NIGHT...NE wind 10 kt becoming N after midnight. Seas 3 ft.
.SUN...N wind 15 kt. Seas 5 ft.
.SUN NIGHT...N wind 20 kt. Seas 7 ft.
.MON...NE wind 20 kt. Seas 7 ft.
.TUE...NE wind 15 kt. Seas 5 ft.
.WED...NE wind 20 kt. Seas 5 ft.

$$

PKZ172-171300-
Cape Sarichef to Nikolski Pacific Side-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...NE wind 15 kt. Seas 5 ft.
.SAT...NE wind 15 kt. Seas 5 ft.
.SAT NIGHT...N wind 20 kt. Seas 4 ft.
.SUN AND SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON...NE wind 25 kt. Seas 9 ft.
.TUE...NE wind 25 kt. Seas 13 ft.
.WED...NE wind 30 kt. Seas 14 ft.

$$

PKZ173-171300-
Nikolski to Seguam Island Bering Side-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...E wind 15 kt. Seas 5 ft.
.SAT...SE wind 15 kt. Seas 4 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 3 ft.
.SUN AND SUN NIGHT...N wind 25 kt. Seas 7 ft.
.MON...N wind 30 kt. Seas 11 ft.
.TUE...N wind 20 kt. Seas 10 ft.
.WED...N wind 25 kt. Seas 11 ft.

$$

PKZ174-171300-
Nikolski to Seguam Island Pacific Side-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SAT...SE wind 15 kt. Seas 4 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN...N wind 25 kt. Seas 6 ft.
.SUN NIGHT...N wind 30 kt. Seas 9 ft.
.MON...N wind 30 kt. Seas 11 ft.
.TUE...N wind 20 kt. Seas 9 ft.
.WED...N wind 25 kt. Seas 11 ft.

$$

PKZ175-171300-
Seguam Island to Adak Bering Side-
359 PM AKDT Fri Apr 16 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...SE wind 25 kt. Seas 7 ft.
.SAT...SE wind 20 kt. Seas 5 ft.
.SAT NIGHT...S wind 15 kt. Seas 6 ft.
.SUN...N wind 20 kt. Seas 7 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON...N wind 30 kt. Seas 10 ft.
.TUE...N wind 25 kt. Seas 10 ft.
.WED...N wind 20 kt. Seas 9 ft.

$$

PKZ176-171300-
Seguam Island to Adak Pacific Side-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...SE wind 20 kt. Seas 6 ft.
.SAT...SE wind 20 kt. Seas 7 ft.
.SAT NIGHT...SE wind 15 kt becoming variable wind less than 10 kt
after midnight. Seas 6 ft.
.SUN...N wind 15 kt. Seas 6 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON...N wind 30 kt. Seas 10 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 8 ft.

$$

PKZ177-171300-
Adak to Kiska-
359 PM AKDT Fri Apr 16 2021

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 35 kt. Seas 13 ft. Rain.
.SAT...W wind 30 kt becoming N wind in the afternoon. Seas 10 ft. 
Rain.
.SAT NIGHT...N wind 30 kt. Seas 11 ft.
.SUN...N wind 25 kt. Seas 8 ft.
.SUN NIGHT...N wind 20 kt. Seas 6 ft.
.MON...N wind 30 kt. Seas 7 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.WED...N wind 20 kt. Seas 8 ft.

$$

PKZ178-171300-
Kiska to Attu-
359 PM AKDT Fri Apr 16 2021

...GALE WARNING TONIGHT...

.TONIGHT...W wind 35 kt. Seas 15 ft.
.SAT...NW wind 30 kt. Seas 14 ft.
.SAT NIGHT...NW wind 25 kt. Seas 10 ft.
.SUN...NW wind 20 kt. Seas 7 ft.
.SUN NIGHT...NW wind 15 kt. Seas 5 ft.
.MON...N wind 20 kt. Seas 4 ft.
.TUE...N wind 20 kt. Seas 8 ft.
.WED...NE wind 25 kt. Seas 8 ft.

$$

PKZ179-171300-
Pribilof Islands Near Shore Waters-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...SE wind 15 kt. Seas 5 ft.
.SAT...SE wind 15 kt. Seas 5 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 6 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON...N wind 30 kt. Seas 8 ft.
.TUE THROUGH WED...NE wind 25 kt. Seas 9 ft.

$$

PKZ180-171300-
Kuskokwim Delta and Etolin Strait-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...NE wind 15 kt. Seas in ice free waters 3 ft.
.SAT...E wind 20 kt. Seas in ice free waters 4 ft.
.SAT NIGHT...NE wind 15 kt. Seas in ice free waters 4 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN NIGHT...NE wind 25 kt. Seas in ice free waters 5 ft.
.MON...NE wind 25 kt. Seas in ice free waters 6 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas in ice free waters 6 ft.

$$

PKZ181-171300-
North and West of Nunivak Island-
359 PM AKDT Fri Apr 16 2021

.TONIGHT...S wind 15 kt. Seas in ice free waters 3 ft.
.SAT...SE wind 15 kt. Seas in ice free waters 3 ft.
.SAT NIGHT...Variable wind 10 kt. Seas in ice free waters 3 ft.
.SUN AND SUN NIGHT...N wind 20 kt. Seas in ice free waters 4 ft.
.MON...N wind 30 kt. Seas in ice free waters 4 ft.
.TUE THROUGH WED...NE wind 20 kt. Seas in ice free waters 3 ft.

$$

PKZ185-171300-
Saint Matthew Island Waters-
359 PM AKDT Fri Apr 16 2021

...GALE WARNING TONIGHT...

.TONIGHT...S wind 25 kt E of Saint Matthew Island...S 35 kt W of
Saint Matthew Island. Seas in ice free waters 11 ft. 
.SAT...SE wind 20 kt E of Saint Matthew Island... S 30 kt W of
Saint Matthew Island. Seas in ice free waters 11 ft.
.SAT NIGHT...SE wind 15 kt E of Saint Matthew Island...S 25 kt W
of Saint Matthew Island. Seas in ice free waters 10 ft.
.SUN...SE wind 15 kt. Seas in ice free waters 7 ft.
.SUN NIGHT...NE wind 25 kt. Seas in ice free waters 6 ft.
.MON...N wind 30 kt. Seas in ice free waters 6 ft.
.TUE...NE wind 25 kt. Seas in ice free waters 6 ft.
.WED...NE wind 20 kt. Seas in ice free waters 6 ft.

$$
812 
FZAK52 PAFC 171039
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
239 AM AKDT Sat Apr 17 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-180000-
239 AM AKDT Sat Apr 17 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

SEMISOPOCHNOI VOLCANO, 140 NM NORTHWEST OF ADAK IS CURRENTLY 
ACTIVE.

A 1005 mb low 450 nm west of St Matthew Island moves to 300 nm 
west of St Matthew Island at 1020 mb Sun morning and dissipates. 
Its front moves eastward then stalls over the Central Aleutians and 
central Bering through Sunday morning and weakens. A trough from the 
North Pacific enters the eastern Bering Sat night and drifts westward
through Pribilof Islands through Sun afternoon.

$$

PKZ150-180000-
South of the AK Peninsula Sitkinak to Castle Cape-
239 AM AKDT Sat Apr 17 2021

...GALE WARNING SUNDAY...

.TODAY...E wind 25 kt. Seas 7 ft.
.TONIGHT...NE wind 25 kt. Seas 9 ft. Rain.
.SUN...NE wind 35 kt. Seas 11 ft.
.SUN NIGHT...NE wind 40 kt. Seas 13 ft.
.MON THROUGH WED...E wind 30 kt. Seas 13 ft.

$$

PKZ155-180000-
South of the AK Peninsula Castle Cape to Cape Sarichef-
239 AM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

.TODAY...NE wind 20 kt. Seas 5 ft.
.TONIGHT...N wind 20 kt except NE 25 kt from the Shumagin Islands
E. Seas 6 ft.
.SUN...NE wind 30 kt. Seas 7 ft.
.SUN NIGHT...NE wind 35 kt. Seas 10 ft.
.MON THROUGH WED...E wind 30 kt. Seas 15 ft.

$$

PKZ160-180000-
Bristol Bay-
239 AM AKDT Sat Apr 17 2021

.TODAY...NE wind 20 kt. Seas in ice free waters 3 ft.
.TONIGHT...NE wind 15 kt. Seas in ice free waters 3 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 3 ft.
.SUN NIGHT...NE wind 35 kt. Seas in ice free waters 5 ft.
.MON...NE wind 30 kt. Seas in ice free waters 5 ft.
.TUE...NE wind 25 kt. Seas in ice free waters 4 ft.
.WED...NE wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ165-180000-
Port Heiden to Cape Sarichef-
239 AM AKDT Sat Apr 17 2021

.TODAY...NE wind 20 kt. Seas 5 ft.
.TONIGHT...NE wind 20 kt. Seas 5 ft.
.SUN...NE wind 20 kt. Seas 5 ft.
.SUN NIGHT...NE wind 30 kt. Seas 7 ft.
.MON...NE wind 25 kt. Seas 8 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas 11 ft.

$$

PKZ170-180000-
Cape Sarichef to Nikolski Bering Side-
239 AM AKDT Sat Apr 17 2021

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...N wind 15 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 5 ft.
.SUN NIGHT...N wind 30 kt. Seas 8 ft.
.MON THROUGH WED...NE wind 30 kt. Seas 11 ft.

$$

PKZ171-180000-
Unalaska Bay-
239 AM AKDT Sat Apr 17 2021

.TODAY...Variable wind less than 10 kt becoming E 10 kt in the
afternoon. Seas 3 ft.
.TONIGHT...NE wind 10 kt. Seas 3 ft.
.SUN...NW wind 15 kt. Seas 3 ft.
.SUN NIGHT...N wind 20 kt. Seas 5 ft.
.MON...NE wind 20 kt. Seas 7 ft.
.TUE THROUGH WED...NE wind 25 kt. Seas 10 ft.

$$

PKZ172-180000-
Cape Sarichef to Nikolski Pacific Side-
239 AM AKDT Sat Apr 17 2021

.TODAY...NE wind 15 kt. Seas 5 ft.
.TONIGHT...N wind 20 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 4 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON...NE wind 25 kt. Seas 13 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas 14 ft.

$$

PKZ173-180000-
Nikolski to Seguam Island Bering Side-
239 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 15 kt. Seas 4 ft.
.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.SUN...N wind 20 kt. Seas 6 ft.
.SUN NIGHT...N wind 30 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 11 ft.
.TUE THROUGH WED...NE wind 25 kt. Seas 11 ft.

$$

PKZ174-180000-
Nikolski to Seguam Island Pacific Side-
239 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 15 kt. Seas 4 ft.
.TONIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 5 ft.
.SUN NIGHT...N wind 30 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 11 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 11 ft.

$$

PKZ175-180000-
Seguam Island to Adak Bering Side-
239 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 20 kt. Seas 5 ft.
.TONIGHT...S wind 15 kt. Seas 6 ft.
.SUN...NE wind 15 kt. Seas 7 ft.
.SUN NIGHT...N wind 30 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 12 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 10 ft.

$$

PKZ176-180000-
Seguam Island to Adak Pacific Side-
239 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 20 kt. Seas 7 ft.
.TONIGHT...SE wind 15 kt. Seas 6 ft.
.SUN...Variable wind 10 kt. Seas 7 ft.
.SUN NIGHT...N wind 30 kt. Seas 7 ft.
.MON...N wind 30 kt. Seas 10 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 9 ft.

$$

PKZ177-180000-
Adak to Kiska-
239 AM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...W wind 30 kt. Seas 10 ft. Rain.
.TONIGHT...N wind 30 kt. Seas 11 ft. Rain.
.SUN...N wind 30 kt. Seas 9 ft.
.SUN NIGHT...N wind 20 kt. Seas 7 ft.
.MON...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.WED...N wind 20 kt. Seas 8 ft.

$$

PKZ178-180000-
Kiska to Attu-
239 AM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...NW wind 30 kt. Seas 14 ft.
.TONIGHT...NW wind 25 kt. Seas 10 ft.
.SUN...NW wind 20 kt. Seas 8 ft.
.SUN NIGHT...N wind 20 kt. Seas 6 ft.
.MON THROUGH WED...N wind 20 kt. Seas 7 ft.

$$

PKZ179-180000-
Pribilof Islands Near Shore Waters-
239 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 15 kt. Seas 5 ft.
.TONIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 5 ft.
.SUN NIGHT...N wind 25 kt. Seas 7 ft.
.MON...NE wind 30 kt. Seas 9 ft.
.TUE THROUGH WED...NE wind 25 kt. Seas 9 ft.

$$

PKZ180-180000-
Kuskokwim Delta and Etolin Strait-
239 AM AKDT Sat Apr 17 2021

.TODAY...E wind 20 kt. Seas in ice free waters 4 ft.
.TONIGHT...NE wind 15 kt. Seas in ice free waters 4 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN NIGHT...NE wind 30 kt. Seas in ice free waters 5 ft.
.MON THROUGH WED...NE wind 25 kt. Seas in ice free waters 6 ft.

$$

PKZ181-180000-
North and West of Nunivak Island-
239 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 15 kt. Seas in ice free waters 3 ft. Freezing spray.
.TONIGHT...Variable wind 10 kt. Seas in ice free waters 3 ft.
.SUN...N wind 20 kt. Seas in ice free waters 4 ft. Freezing spray.
.SUN NIGHT...N wind 25 kt. Seas in ice free waters 3 ft.
.MON...N wind 30 kt. Seas in ice free waters 4 ft.
.TUE...NE wind 25 kt. Seas in ice free waters 3 ft.
.WED...NE wind 20 kt. Seas in ice free waters 3 ft.

$$

PKZ185-180000-
Saint Matthew Island Waters-
239 AM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SE wind 20 kt E of Saint Matthew Island...S 30 kt W of
Saint Matthew Island. Seas in ice free waters 11 ft. Freezing spray.
.TONIGHT...SE wind 15 kt E of Saint Matthew Island...S 25 kt W of
Saint Matthew Island. Seas in ice free waters 10 ft.
.SUN...N wind 20 kt E of Saint Matthew Island...SE 15 kt W of
Saint Matthew Island. Seas in ice free waters 7 ft.
.SUN NIGHT...N wind 25 kt. Seas in ice free waters 6 ft.
.MON...N wind 30 kt. Seas in ice free waters 6 ft.
.TUE...NE wind 25 kt. Seas in ice free waters 6 ft.
.WED...NE wind 20 kt. Seas in ice free waters 6 ft.

$$
349 
FZAK52 PAFC 171511 AAA
CWFALU

Coastal Waters Forecast...UPDATED
National Weather Service Anchorage AK
711 AM AKDT Sat Apr 17 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-180315-
711 AM AKDT Sat Apr 17 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

SEMISOPOCHNOI VOLCANO, 140 NM NORTHWEST OF ADAK IS CURRENTLY 
ACTIVE.

A 1005 mb low 450 nm west of St Matthew Island moves to 300 nm 
west of St Matthew Island at 1020 mb Sun morning and dissipates. 
Its front moves eastward then stalls over the Central Aleutians and 
central Bering through Sunday morning and weakens. A trough from the 
North Pacific enters the eastern Bering Sat night and drifts westward
through Pribilof Islands through Sun afternoon.

$$

PKZ150-180315-
South of the AK Peninsula Sitkinak to Castle Cape-
711 AM AKDT Sat Apr 17 2021

...GALE WARNING SUNDAY...

.TODAY...E wind 25 kt. Seas 7 ft. 
.TONIGHT...NE wind 25 kt. Seas 9 ft. Rain. 
.SUN...NE wind 35 kt. Seas 11 ft. 
.SUN NIGHT...NE wind 40 kt. Seas 13 ft. 
.MON THROUGH WED...E wind 30 kt. Seas 13 ft.

$$

PKZ155-180315-
South of the AK Peninsula Castle Cape to Cape Sarichef-
711 AM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY...

.TODAY...NE wind 20 kt. Seas 5 ft. 
.TONIGHT...N wind 20 kt except NE 25 kt from the Shumagin Islands
E. Seas 6 ft. 
.SUN...NE wind 30 kt. Seas 7 ft. 
.SUN NIGHT...NE wind 35 kt. Seas 10 ft. 
.MON THROUGH WED...E wind 30 kt. Seas 15 ft.

$$

PKZ160-180315-
Bristol Bay-
711 AM AKDT Sat Apr 17 2021

.TODAY...NE wind 20 kt. Seas in ice free waters 3 ft. 
.TONIGHT...NE wind 15 kt. Seas in ice free waters 3 ft. 
.SUN...NE wind 20 kt. Seas in ice free waters 3 ft. 
.SUN NIGHT...NE wind 35 kt. Seas in ice free waters 5 ft. 
.MON...NE wind 30 kt. Seas in ice free waters 5 ft. 
.TUE...NE wind 25 kt. Seas in ice free waters 4 ft. 
.WED...NE wind 20 kt. Seas in ice free waters 4 ft.

$$

PKZ165-180315-
Port Heiden to Cape Sarichef-
711 AM AKDT Sat Apr 17 2021

.TODAY...NE wind 20 kt. Seas 5 ft. 
.TONIGHT...NE wind 20 kt. Seas 5 ft. 
.SUN...NE wind 20 kt. Seas 5 ft. 
.SUN NIGHT...NE wind 30 kt. Seas 7 ft. 
.MON...NE wind 25 kt. Seas 8 ft. 
.TUE THROUGH WED...NE wind 30 kt. Seas 11 ft.

$$

PKZ170-180315-
Cape Sarichef to Nikolski Bering Side-
711 AM AKDT Sat Apr 17 2021

.TODAY...Variable wind 10 kt. Seas 5 ft. 
.TONIGHT...N wind 15 kt. Seas 4 ft. 
.SUN...N wind 20 kt. Seas 5 ft. 
.SUN NIGHT...N wind 30 kt. Seas 8 ft. 
.MON THROUGH WED...NE wind 30 kt. Seas 11 ft.

$$

PKZ171-180315-
Unalaska Bay-
711 AM AKDT Sat Apr 17 2021

.TODAY...Variable wind less than 10 kt becoming E 10 kt in the
afternoon. Seas 3 ft. 
.TONIGHT...NE wind 10 kt. Seas 3 ft. 
.SUN...NW wind 15 kt. Seas 3 ft. 
.SUN NIGHT...N wind 20 kt. Seas 5 ft. 
.MON...NE wind 20 kt. Seas 7 ft. 
.TUE THROUGH WED...NE wind 25 kt. Seas 10 ft.

$$

PKZ172-180315-
Cape Sarichef to Nikolski Pacific Side-
711 AM AKDT Sat Apr 17 2021

.TODAY...NE wind 15 kt. Seas 5 ft. 
.TONIGHT...N wind 20 kt. Seas 4 ft. 
.SUN...N wind 20 kt. Seas 4 ft. 
.SUN NIGHT...N wind 25 kt. Seas 6 ft. 
.MON...NE wind 25 kt. Seas 13 ft. 
.TUE THROUGH WED...NE wind 30 kt. Seas 14 ft.

$$

PKZ173-180315-
Nikolski to Seguam Island Bering Side-
711 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 15 kt. Seas 4 ft. 
.TONIGHT...Variable wind 10 kt. Seas 3 ft. 
.SUN...N wind 20 kt. Seas 6 ft. 
.SUN NIGHT...N wind 30 kt. Seas 8 ft. 
.MON...N wind 30 kt. Seas 11 ft. 
.TUE THROUGH WED...NE wind 25 kt. Seas 11 ft.

$$

PKZ174-180315-
Nikolski to Seguam Island Pacific Side-
711 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 15 kt. Seas 4 ft. 
.TONIGHT...Variable wind 10 kt. Seas 4 ft. 
.SUN...N wind 20 kt. Seas 5 ft. 
.SUN NIGHT...N wind 30 kt. Seas 8 ft. 
.MON...N wind 30 kt. Seas 11 ft. 
.TUE THROUGH WED...N wind 25 kt. Seas 11 ft.

$$

PKZ175-180315-
Seguam Island to Adak Bering Side-
711 AM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...SE wind 25 kt. Seas 5 ft.
.TONIGHT...SE wind 20 kt. Seas 7 ft.
.SUN...NE wind 15 kt. Seas 7 ft.
.SUN NIGHT...N wind 30 kt. Seas 8 ft.
.MON...N wind 30 kt. Seas 12 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 10 ft.


$$

PKZ176-180315-
Seguam Island to Adak Pacific Side-
711 AM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...S wind 25 kt. Seas 7 ft.
.TONIGHT...SE wind 25 kt diminishing to 15 kt after midnight. 
Seas 8 ft.
.SUN...Variable wind 10 kt. Seas 7 ft.
.SUN NIGHT...N wind 30 kt. Seas 7 ft.
.MON...N wind 30 kt. Seas 10 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 9 ft.

$$

PKZ177-180315-
Adak to Kiska-
711 AM AKDT Sat Apr 17 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...NW wind 25 kt increasing to 35 kt in the afternoon. 
Seas 11 ft. Rain.
.TONIGHT...N wind 35 kt. Seas 12 ft. Rain.
.SUN...N wind 30 kt. Seas 9 ft.
.SUN NIGHT...N wind 20 kt. Seas 7 ft.
.MON...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.WED...N wind 20 kt. Seas 8 ft.

$$

PKZ178-180315-
Kiska to Attu-
711 AM AKDT Sat Apr 17 2021

...GALE WARNING TODAY...

.TODAY...NW wind 35 kt. Seas 14 ft.
.TONIGHT...NW wind 30 kt. Seas 11 ft.
.SUN...NW wind 20 kt. Seas 8 ft.
.SUN NIGHT...N wind 20 kt. Seas 6 ft.
.MON THROUGH WED...N wind 20 kt. Seas 7 ft.

$$

PKZ179-180315-
Pribilof Islands Near Shore Waters-
711 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 15 kt. Seas 5 ft. 
.TONIGHT...Variable wind 10 kt. Seas 4 ft. 
.SUN...N wind 20 kt. Seas 5 ft. 
.SUN NIGHT...N wind 25 kt. Seas 7 ft. 
.MON...NE wind 30 kt. Seas 9 ft. 
.TUE THROUGH WED...NE wind 25 kt. Seas 9 ft.

$$

PKZ180-180315-
Kuskokwim Delta and Etolin Strait-
711 AM AKDT Sat Apr 17 2021

.TODAY...E wind 20 kt. Seas in ice free waters 4 ft. 
.TONIGHT...NE wind 15 kt. Seas in ice free waters 4 ft. 
.SUN...NE wind 20 kt. Seas in ice free waters 4 ft. 
.SUN NIGHT...NE wind 30 kt. Seas in ice free waters 5 ft. 
.MON THROUGH WED...NE wind 25 kt. Seas in ice free waters 6 ft.

$$

PKZ181-180315-
North and West of Nunivak Island-
711 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 15 kt. Seas in ice free waters 3 ft. Freezing
spray. 
.TONIGHT...Variable wind 10 kt. Seas in ice free waters 3 ft. 
.SUN...N wind 20 kt. Seas in ice free waters 4 ft. Freezing
spray. 
.SUN NIGHT...N wind 25 kt. Seas in ice free waters 3 ft. 
.MON...N wind 30 kt. Seas in ice free waters 4 ft. 
.TUE...NE wind 25 kt. Seas in ice free waters 3 ft. 
.WED...NE wind 20 kt. Seas in ice free waters 3 ft.

$$

PKZ185-180315-
Saint Matthew Island Waters-
711 AM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SE wind 20 kt E of Saint Matthew Island...S 30 kt 
W of Saint Matthew Island. Seas in ice free waters 11 ft. 
Freezing spray in the morning. 
.TONIGHT...SE wind 15 kt E of Saint Matthew Island...S 25 kt 
W of Saint Matthew Island. Seas in ice free waters 10 ft. 
.SUN...N wind 20 kt E of Saint Matthew Island...SE 15 kt W of
Saint Matthew Island. Seas in ice free waters 7 ft. 
.SUN NIGHT...N wind 25 kt. Seas in ice free waters 6 ft. 
.MON...N wind 30 kt. Seas in ice free waters 6 ft. 
.TUE...NE wind 25 kt. Seas in ice free waters 6 ft. 
.WED...NE wind 20 kt. Seas in ice free waters 6 ft.

$$
504 
FZAK52 PAFC 172312
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
312 PM AKDT Sat Apr 17 2021

Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.

Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.

PKZ199-181200-
312 PM AKDT Sat Apr 17 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 1013 mb low 320 nm west of Saint Matthew Island moves to 270 nm
west of Saint Matthew Island at 1030 mb Sun afternoon and
dissipates. Its front remains stationary over the Bering and 
central Aleutians through Sunday, then tapers off Sun night. A 
front from the North Pacific extends to the eastern Bering tonight
and moves westward through Pribilof Islands and the Aleutians 
through Mon afternoon.

$$

PKZ150-181200-
South of the AK Peninsula Sitkinak to Castle Cape-
312 PM AKDT Sat Apr 17 2021

...GALE WARNING SUNDAY AND SUNDAY NIGHT...

.TONIGHT...NE wind 25 kt. Seas 7 ft. Rain showers.
.SUN...NE wind 25 kt increasing to 35 kt in the afternoon. Seas 9 
ft. Rain.
.SUN NIGHT...NE wind 35 kt. Seas 11 ft.
.MON...NE wind 35 kt. Seas 16 ft.
.MON NIGHT...SE wind 30 kt. Seas 14 ft.
.TUE THROUGH WED...E wind 30 kt. Seas 13 ft.
.THU...NE wind 15 kt. Seas 10 ft.

$$

PKZ155-181200-
South of the AK Peninsula Castle Cape to Cape Sarichef-
312 PM AKDT Sat Apr 17 2021

...GALE WARNING SUNDAY NIGHT...

.TONIGHT...N wind 20 kt except NE 25 kt from the Shumagin Islands
E. Seas 5 ft.
.SUN...N wind 20 kt except NE 30 kt from the Shumagin Islands E. Seas
6 ft.
.SUN NIGHT...NE wind 35 kt. Seas 10 ft. Rain.
.MON AND MON NIGHT...E wind 30 kt. Seas 12 ft.
.TUE THROUGH WED...E wind 30 kt. Seas 15 ft.
.THU...NE wind 15 kt. Seas 9 ft.

$$

PKZ160-181200-
Bristol Bay-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...NE wind 15 kt. Seas in ice free waters 2 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 2 ft.
.SUN NIGHT...NE wind 25 kt. Seas in ice free waters 3 ft.
.MON AND MON NIGHT...E wind 30 kt. Seas in ice free waters 4 ft.
.TUE...NE wind 25 kt. Seas in ice free waters 4 ft.
.WED...NE wind 20 kt. Seas in ice free waters 4 ft.
.THU...NE wind 15 kt. Seas in ice free waters 2 ft.

$$

PKZ165-181200-
Port Heiden to Cape Sarichef-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...NE wind 20 kt. Seas 4 ft.
.SUN...NE wind 20 kt. Seas 4 ft.
.SUN NIGHT...NE wind 30 kt. Seas 6 ft.
.MON AND MON NIGHT...NE wind 30 kt. Seas 8 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas 11 ft.
.THU...E wind 15 kt. Seas 4 ft.

$$

PKZ170-181200-
Cape Sarichef to Nikolski Bering Side-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...N wind increasing to 15 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 4 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON...NE wind 30 kt. Seas 10 ft.
.MON NIGHT...NE wind 25 kt. Seas 9 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas 11 ft.
.THU...E wind 15 kt. Seas 7 ft.

$$

PKZ171-181200-
Unalaska Bay-
312 PM AKDT Sat Apr 17 2021

.TONIGHT...N wind 10 kt. Seas 3 ft.
.SUN...N wind 10 kt becoming NW in the afternoon. Seas 3 ft.
.SUN NIGHT...NW wind 15 kt. Seas 5 ft.
.MON AND MON NIGHT...NE wind 15 kt. Seas 5 ft.
.TUE THROUGH WED...NE wind 25 kt. Seas 10 ft.
.THU...E wind 10 kt. Seas 2 ft.

$$

PKZ172-181200-
Cape Sarichef to Nikolski Pacific Side-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 4 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON AND MON NIGHT...NE wind 25 kt. Seas 8 ft.
.TUE THROUGH WED...NE wind 30 kt. Seas 14 ft.
.THU...E wind 15 kt. Seas 9 ft.

$$

PKZ173-181200-
Nikolski to Seguam Island Bering Side-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...E wind 15 kt. Seas 4 ft.
.SUN...Variable wind 10 kt becoming NE 20 kt in the afternoon. Seas 
6 ft.
.SUN NIGHT...N wind 25 kt. Seas 7 ft.
.MON AND MON NIGHT...NE wind 30 kt. Seas 11 ft.
.TUE THROUGH WED...NE wind 25 kt. Seas 11 ft.
.THU...E wind 15 kt. Seas 8 ft.

$$

PKZ174-181200-
Nikolski to Seguam Island Pacific Side-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 4 ft.
.SUN... Variable wind 10 kt becoming N 15 kt in the afternoon. Seas 
5 ft.
.SUN NIGHT...N wind 25 kt. Seas 7 ft.
.MON AND MON NIGHT...N wind 30 kt. Seas 10 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 10 ft.
.THU...E wind 15 kt. Seas 9 ft.

$$

PKZ175-181200-
Seguam Island to Adak Bering Side-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY SUNDAY AND SUNDAY NIGHT...

.TONIGHT...SE wind 20 kt. Seas 7 ft. Rain and snow.
.SUN...Variable wind 10 kt. Seas 8 ft.
.SUN NIGHT...NE wind 15 kt becoming N 25 kt after midnight. Seas 6 
ft.
.MON AND MON NIGHT...N wind 30 kt. Seas 11 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 10 ft.
.THU...NE wind 15 kt. Seas 8 ft.

$$

PKZ176-181200-
Seguam Island to Adak Pacific Side-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY NIGHT...

.TONIGHT...SE wind 25 kt. Seas 8 ft. Rain and snow.
.SUN...E wind 15 kt. Seas 7 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON AND MON NIGHT...N wind 30 kt. Seas 10 ft.
.TUE THROUGH WED...N wind 25 kt. Seas 8 ft.
.THU...NE wind 20 kt. Seas 8 ft.

$$

PKZ177-181200-
Adak to Kiska-
312 PM AKDT Sat Apr 17 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 35 kt. Seas 12 ft. Rain and snow showers.
.SUN...N wind 30 kt diminishing to 20 kt in the afternoon. Seas
10 ft.
.SUN NIGHT...N wind 20 kt. Seas 6 ft.
.MON...N wind 25 kt. Seas 6 ft.
.MON NIGHT...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.WED...N wind 20 kt. Seas 8 ft.
.THU...NE wind 20 kt. Seas 8 ft.

$$

PKZ178-181200-
Kiska to Attu-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TONIGHT...NW wind 30 kt. Seas 11 ft.
.SUN...NW wind 25 kt. Seas 8 ft.
.SUN NIGHT...N wind 20 kt. Seas 6 ft.
.MON...NE wind 15 kt. Seas 4 ft.
.MON NIGHT...NE wind 25 kt. Seas 5 ft.
.TUE THROUGH THU...NE wind 20 kt. Seas 9 ft.

$$

PKZ179-181200-
Pribilof Islands Near Shore Waters-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SUN...N wind 20 kt. Seas 5 ft.
.SUN NIGHT...N wind 25 kt. Seas 6 ft.
.MON AND MON NIGHT...NE wind 30 kt. Seas 9 ft.
.TUE...NE wind 30 kt. Seas 10 ft.
.WED...NE wind 25 kt. Seas 9 ft.
.THU...NE wind 15 kt. Seas 7 ft.

$$

PKZ180-181200-
Kuskokwim Delta and Etolin Strait-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY SUNDAY NIGHT...

.TONIGHT...NE wind 15 kt. Seas in ice free waters 4 ft.
.SUN...NE wind 20 kt. Seas in ice free waters 4 ft.
.SUN NIGHT...N wind 25 kt. Seas in ice free waters 4 ft.
.MON...NE wind 25 kt. Seas in ice free waters 5 ft.
.MON NIGHT...NE wind 30 kt. Seas in ice free waters 6 ft.
.TUE...NE wind 30 kt. Seas in ice free waters 6 ft.
.WED...NE wind 25 kt. Seas in ice free waters 6 ft.
.THU...NE wind 15 kt. Seas in ice free waters 3 ft.

$$

PKZ181-181200-
North and West of Nunivak Island-
312 PM AKDT Sat Apr 17 2021

.TONIGHT...Variable wind 10 kt. Seas in ice free waters 3 ft.
.SUN...N wind 20 kt. Seas in ice free waters 3 ft.
.SUN NIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.MON AND MON NIGHT...NE wind 30 kt. Seas in ice free waters 4 ft.
.TUE...NE wind 30 kt. Seas in ice free waters 4 ft.
.WED...NE wind 20 kt. Seas in ice free waters 3 ft.
.THU...NE wind 15 kt. Seas in ice free waters 3 ft.

$$

PKZ185-181200-
Saint Matthew Island Waters-
312 PM AKDT Sat Apr 17 2021

...SMALL CRAFT ADVISORY TONIGHT AND SUNDAY NIGHT...

.TONIGHT...SE wind 15 kt E of Saint Matthew Island... SE 25 kt W of 
Saint Matthew Island. Seas in ice free waters 9 ft.
.SUN...E wind 15 kt becoming N in the afternoon. Seas in ice free 
waters 7 ft.
.SUN NIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.MON AND MON NIGHT...NE wind 30 kt. Seas in ice free waters 6 ft.
.TUE...NE wind 30 kt. Seas in ice free waters 7 ft.
.WED...NE wind 20 kt. Seas in ice free waters 6 ft.
.THU...NE wind 15 kt. Seas in ice free waters 5 ft.

$$

What forecasters said that day

The local office's own words before this small craft advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Anchorage, AK wrote its last area forecast discussion before this small craft advisory went out at Apr 10, 4:47 PM AKDT, 10 hours 27 minutes earlier.

Area forecast discussion, Apr 10, 4:47 PM AKDT, 10 hours 27 minutes before
Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
447 PM AKDT Sat Apr 10 2021

.ANALYSIS AND UPPER LEVELS...

Polar high pressure over the Yukon is retreating eastward as a low
over the Bering spreads cloud cover over Southcentral, and
precipitation across Southwest Alaska. The low is drawing much
warmer air northward into Alaska, which is ending the record cold
temperatures across the state. Light snow has ended over Bristol
Bay, while the snow is ending across the Kuskokwim. The
strengthening April sun is warming most areas into the teens and
20s, despite the increasing cloud cover.

In the upper levels, upper level ridging is amplifying over
Southwest Alaska and the AKPEN, with an upper level low and trough
to the west over the central and western Bering. Therefore, the
ridging is bringing much warmer air and cloud cover into the
area.

&&

.MODEL DISCUSSION...

Model agreement is good through Monday afternoon. The primary
areas of uncertainty include how quickly any snow transitions to
rain, and whether any freezing rain will occur in between,
especially across interior Bristol Bay. Over Southcentral, the
wind gusts with the upcoming storm may get close to warning
criteria on the ridges as the winds flip to southeasterly and
intensify Sunday and Sunday night. For now, while the winds will
be strong along the Hillside, enough northerly flow should keep
the Turnagain Arm wind aimed out into the Inlet or over the rural
Kenai Peninsula. This should inhibit winds from getting as strong
along the Hillside. Otherwise, temperatures are also in question,
as the warmest temperatures will be associated with the
downsloping and the Turnagain Arm winds. Overall forecast
confidence is moderate.

&&

.AVIATION...
PANC...VFR conditions and light winds will persist. Strengthening
southeasterly winds aloft over the northerly winds near the
surface will cause wind shear to develop during the day on Sunday.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 through 3)...

This morning, the minimum temperature at Ted Stevens Intl Airport
was 4F breaking the daily min temperature from 1985. (The NWS
office near the airport was zero degrees and Campbell Creek in
east Anchorage bottomed at 8 below zero). On Sunday, Anchorage
will get into the 30s with 40s expected for Monday and Tuesday.

The upper trough that has been over the eastern Bering has
multiple strong shortwaves pin wheeling around it and several of
them are advancing towards Southcentral. On satellite imagery the
leading edge of the surface warm front is near Kodiak today and
there is a fetch of modified tropical air associated with this
system. The front will progress eastward across the western Gulf
Sunday through Sunday night, then becoming quasi-stationary. With
the ridge to the east, this system will have the opportunity to
pump moisture. Expect widespread moderate to heavy precipitation
from Kodiak Island to Prince William Sound. Because of the upper
level wind direction, expect downsloping off the Chugach Mountains.
This downsloping will create a "rain shadow" for Anchorage and
the Matanuska Valley.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 through 3: Tonight
through Tuesday)...

More snow is expected over much of Southwest Alaska except for
Bristol Bay which will receive rain/snow mix through the forecast
period. An upper low over the Bering will continue to be the main
weather producer, while isolated shortwaves riding along the upper
level troughs will enhance increased snowfall and sky cover especially
across the Kuskokwim Coast and Delta through the next few days.
The frontal boundary from the upper low is still on-track to move
across the region through Sunday, therefore, anticipate a cold
winter pattern to continue into Tuesday.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Tonight through Tuesday)...

The aforementioned upper low over the central Bering will have
minimal effect for the Bering Sea except for a continuous snowy
pattern through the next few days. The onset of the next Northwest
Pacific low arriving near the western Aleutians by Monday night
will gradually elevate winds and seas west of Dutch Harbor. The
P-type for the Aleutians is mostly snow with a brief brush of
rain/snow mix between the western and central Aleutians in
response to the next Pacific low.

&&

.MARINE (Days 3 through 5 - Tuesday through Thursday)...

Bering: An elongated area of low pressure with two centers moves
east across the Bering. Confidence is high with the northern low
to move inland over Northwest Alaska by Wed. Confidence is mixed
with the Southern low as upper level support brings winds less
than gale force across the Aleutians and Southern Bering through
Thu, with seas building to 16 feet around the Aleutians through
the forecast. A new system approaches the Western Bering for Thu.

Gulf of Alaska: A front across the Northern Gulf brings easterly
gale force winds over North Gulf Coastal waters for Tue and Wed.
Confidence is mixed on timing and strength between the front and
an approaching low that will track over Kodiak Island into the
Alaska Peninsula by Thu. This low spreads gale force winds over
the Gulf, with seas building to 18 feet east of Kodiak Island Wed,
subsiding after the low moves inland.

&&

.LONG TERM FORECAST (Days 3 through 7/Wednesday through Saturday)...

The pattern will remain amplified as an upper level low is
expected to be over the North Pacific while upper level ridging
builds across the Bering Sea and Alaska mainland. The overall
synoptic pattern support this upper ridge to remain in place and
become even more pronounced over both the Bering Sea and Alaska
mainland as Rex Blocking is likely. The significance of the Rex
Block is the upper ridge will remain in place for the majority of
the forecast period and become most pronounced toward the end of
the period. At the surface, there is good ensemble agreement with
the surface low associated with the aforementioned upper level low
to be located near Kodiak Wednesday morning with a warm front
moving across the northern Gulf of Alaska into Southcentral
Alaska. This will likely bring rain along the coast and snow in
the Chugach and Kenai Mountains as the southeasterly onshore flow
associated with the front will bring moisture to the area. The
snow may be heavy at times due good ensemble agreement showing
precipitable water values at 2-3 standard deviations above normal.
The high precipitable water anomalies combined with orographic
lifting can result in moderate to heavy snow. Precipitation will
gradually taper off Wednesday night into Thursday morning. The
remainder of the forecast period will have warmer temperatures,
fairly dry conditions with more sun than clouds as the upper level
ridging becomes more pronounced across the area. Due to good
ensemble agreement on the surface and upper level pattern, overall
forecast confidence remains above average for the extended period.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...Gale 119 120 125 130-137 139 150-165 180-185.
		 Heavy Freezing Spray 139 140 185.
FIRE WEATHER...NONE.

&&

SYNOPSIS AND MODEL DISCUSSION...JW
SOUTHCENTRAL ALASKA...PJS
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...CB
MARINE/LONG TERM...ED

The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 11, 3:14 AM AKDTBrisk Wind AdvisoryAFC37 hr
Apr 11, 3:30 AM AKDTSmall Craft AdvisoryAFC49 hr
Apr 11, 11:12 AM AKDTWinter Weather AdvisoryAFC4 hr
Apr 11, 3:21 PM AKDTBlizzard WarningAFC7 hr
Apr 11, 3:22 PM AKDTGale WarningAFC48 hr
Apr 11, 3:22 PM AKDTSmall Craft AdvisoryAFC5 days
Apr 11, 3:57 PM AKDTSmall Craft AdvisoryAFC24 hr

Nearby

Small Craft Advisories in Alaska, 2021Every small craft advisory in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.