Alert archive / Alaska / Small Craft Advisories in 2021

Small Craft Advisory 296, NWS Anchorage, AK

April 10, 2021

NWS Anchorage, AK issued this small craft advisory at Apr 10, 2021, 3:25 PM AKDT. It was in force for 5 days.

The area

The counties it named.

The facts

Issued
Apr 10, 2021, 3:25 PM AKDT (23:25 UTC)
Expired
Apr 16, 2021, 3:23 AM AKDT
In force
5 days
Issued by
NWS Anchorage, AK

The text

As transmitted.

347 
FZAK52 PAFC 102325
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
325 PM AKDT Sat Apr 10 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.

PKZ199-111230-
325 PM AKDT Sat Apr 10 2021

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

A 981 mb low 185 nm west of Saint Paul Island moves to 215 nm 
southwest of Saint Matthew Island at 991 mb Mon afternoon. Its front
moves into northwest Alaska with the trailing front extending over 
the Alaska Peninsula through Mon afternoon. A 999 mb low moves to 260
nm northwest of Attu with its front across the western Aleutians Mon
afternoon.

$$

PKZ150-111230-
South of the AK Peninsula Sitkinak to Castle Cape-
325 PM AKDT Sat Apr 10 2021

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...S wind 25 kt becoming SE 35 kt after midnight. Seas 9 ft. 
Rain.
.SUN...S wind 35 kt becoming SW 25 kt in the afternoon. Seas 12 ft. 
Rain.
.SUN NIGHT...SW wind 25 kt. Seas 10 ft.
.MON AND MON NIGHT...S wind 20 kt. Seas 10 ft.
.TUE...E wind 35 kt. Seas 11 ft.
.WED...NW wind 30 kt. Seas 11 ft.
.THU...NE wind 25 kt. Seas 8 ft.

$$

PKZ155-111230-
South of the AK Peninsula Castle Cape to Cape Sarichef-
325 PM AKDT Sat Apr 10 2021

...GALE WARNING TONIGHT...

.TONIGHT...S wind 40 kt. Seas 14 ft. Rain.
.SUN...SW wind 25 kt. Seas 12 ft.
.SUN NIGHT...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...SW wind 15 kt. Seas 7 ft.
.WED...NW wind 35 kt. Seas 8 ft.
.THU...N wind 35 kt. Seas 8 ft.

$$

PKZ160-111230-
Bristol Bay-
325 PM AKDT Sat Apr 10 2021

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...SE wind 35 kt. Seas in ice free waters 9 ft. Rain and
snow.
.SUN...SE wind 40 kt becoming S 25 kt in the afternoon. Seas in
ice free waters 111 ft subsiding to 7 ft in the afternoon. Snow and 
rain.
.SUN NIGHT...S wind 20 kt. Seas in ice free waters 5 ft.
.MON AND MON NIGHT...SE wind 15 kt. Seas in ice free waters 4 ft.
.TUE...E wind 25 kt. Seas in ice free waters 3 ft.
.WED...NW wind 25 kt. Seas in ice free waters 5 ft.
.THU...NE wind 15 kt. Seas in ice free waters 5 ft.

$$

PKZ165-111230-
Port Heiden to Cape Sarichef-
325 PM AKDT Sat Apr 10 2021

...GALE WARNING TONIGHT...

.TONIGHT...S wind 35 kt. Seas 11 ft. Rain.
.SUN...SW wind 25 kt. Seas 9 ft.
.SUN NIGHT...SW wind 20 kt. Seas 9 ft.
.MON...S wind 15 kt. Seas 7 ft.
.MON NIGHT...SW wind 15 kt. Seas 6 ft.
.TUE...E wind 30 kt. Seas 5 ft.
.WED THROUGH THU...N wind 30 kt. Seas 8 ft.

$$

PKZ170-111230-
Cape Sarichef to Nikolski Bering Side-
325 PM AKDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SW wind 30 kt. Seas 13 ft. Rain showers and snow
showers.
.SUN...SW wind 30 kt. Seas 11 ft. Rain showers.
.SUN NIGHT...SW wind 25 kt. Seas 10 ft.
.MON AND MON NIGHT...W wind 20 kt. Seas 8 ft.
.TUE...S wind 30 kt. Seas 9 ft.
.WED THROUGH THU...N wind 30 kt. Seas 11 ft.

$$

PKZ171-111230-
Unalaska Bay-
325 PM AKDT Sat Apr 10 2021

.TONIGHT...SW wind 15 kt. Seas 2 ft. Rain and snow.
.SUN...SW wind 20 kt. Seas 3 ft. Widespread snow and rain showers.
.SUN NIGHT...SW wind 15 kt diminishing to 10 kt after midnight.
Seas 2 ft. Snow.
.MON AND MON NIGHT...W wind 15 kt. Seas 2 ft.
.TUE...SE wind 25 kt. Seas 5 ft.
.WED...NW wind 30 kt. Seas 10 ft.
.THU...N wind 25 kt. Seas 7 ft.

$$

PKZ172-111230-
Cape Sarichef to Nikolski Pacific Side-
325 PM AKDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SW wind 30 kt. Seas 12 ft. Rain showers and snow
showers.
.SUN...SW wind 30 kt. Seas 14 ft.
.SUN NIGHT...SW wind 25 kt. Seas 13 ft. Snow showers.
.MON AND MON NIGHT...W wind 20 kt. Seas 8 ft.
.TUE...SW wind 30 kt. Seas 8 ft.
.WED THROUGH THU...N wind 35 kt. Seas 9 ft.

$$

PKZ173-111230-
Nikolski to Seguam Island Bering Side-
325 PM AKDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SW wind 30 kt. Seas 13 ft. Rain showers and snow
showers.
.SUN...W wind 30 kt. Seas 12 ft.
.SUN NIGHT...W wind 25 kt. Seas 10 ft.
.MON...W wind 25 kt. Seas 9 ft.
.MON NIGHT...W wind 20 kt. Seas 9 ft.
.TUE THROUGH WED...NW wind 35 kt. Seas 17 ft.
.THU...NW wind 25 kt. Seas 9 ft.

$$

PKZ174-111230-
Nikolski to Seguam Island Pacific Side-
325 PM AKDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SW wind 30 kt. Seas 16 ft. Rain showers and snow showers. 
.SUN...W wind 30 kt. Seas 16 ft. Snow showers and rain showers.
.SUN NIGHT...W wind 25 kt. Seas 12 ft. Snow showers.
.MON...W wind 25 kt. Seas 9 ft.
.MON NIGHT...W wind 20 kt. Seas 9 ft.
.TUE...W wind 40 kt. Seas 14 ft.
.WED...NW wind 40 kt. Seas 16 ft.
.THU...NW wind 30 kt. Seas 10 ft.

$$

PKZ175-111230-
Seguam Island to Adak Bering Side-
325 PM AKDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...SW wind 30 kt. Seas 14 ft. Rain showers and snow showers. 
.SUN...W wind 30 kt. Seas 12 ft.
.SUN NIGHT...W wind 25 kt. Seas 11 ft. Snow.
.MON...NW wind 25 kt. Seas 11 ft.
.MON NIGHT...SW wind 30 kt. Seas 9 ft.
.TUE...NW wind 40 kt. Seas 15 ft.
.WED...W wind 30 kt. Seas 13 ft.
.THU...NW wind 20 kt. Seas 8 ft.

$$

PKZ176-111230-
Seguam Island to Adak Pacific Side-
325 PM AKDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...W wind 30 kt. Seas 18 ft. Rain showers and snow showers.
.SUN...W wind 30 kt. Seas 15 ft.
.SUN NIGHT...W wind 25 kt. Seas 10 ft. Snow showers.
.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...NW wind 30 kt. Seas 12 ft.
.THU...NW wind 25 kt. Seas 8 ft.

$$

PKZ177-111230-
Adak to Kiska-
325 PM AKDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...W wind 30 kt. Seas 17 ft.
.SUN...W wind 25 kt. Seas 12 ft.
.SUN NIGHT...NW wind 25 kt. Seas 12 ft. Snow.
.MON...W wind 25 kt. Seas 11 ft.
.MON NIGHT...SW wind 35 kt. Seas 12 ft.
.TUE...NW wind 40 kt. Seas 15 ft.
.WED...W wind 25 kt. Seas 10 ft.
.THU...W wind 20 kt. Seas 7 ft.

$$

PKZ178-111230-
Kiska to Attu-
325 PM AKDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...NW wind 30 kt. Seas 14 ft.
.SUN...NW wind 30 kt. Seas 12 ft.
.SUN NIGHT...NW wind 30 kt. Seas 12 ft.
.MON...SW wind 25 kt. Seas 11 ft.
.MON NIGHT...W wind 35 kt. Seas 13 ft.
.TUE...W wind 35 kt. Seas 13 ft.
.WED...SW wind 30 kt. Seas 11 ft.
.THU...SE wind 25 kt. Seas 11 ft.

$$

PKZ179-111230-
Pribilof Islands Near Shore Waters-
325 PM AKDT Sat Apr 10 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY NIGHT...

.TONIGHT...S wind 25 kt. Seas 14 ft.
.SUN...W wind 25 kt. Seas 11 ft.
.SUN NIGHT...SW wind 25 kt. Seas 10 ft.
.MON...W wind 20 kt. Seas 8 ft.
.MON NIGHT...W wind 15 kt. Seas 6 ft.
.TUE...E wind 20 kt. Seas 6 ft.
.WED...NW wind 25 kt. Seas 7 ft.
.THU...N wind 20 kt. Seas 9 ft.

$$

PKZ180-111230-
Kuskokwim Delta and Etolin Strait-
325 PM AKDT Sat Apr 10 2021

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 40 kt. Seas in ice free waters 9 ft. Rain and
snow.
.SUN...S wind 30 kt diminishing to 20 kt in the afternoon. Seas in
ice free waters 9 ft.
.SUN NIGHT...S wind 25 kt. Seas in ice free waters 7 ft.
.MON...S wind 20 kt. Seas in ice free waters 7 ft.
.MON NIGHT...SW wind 15 kt. Seas in ice free waters 5 ft.
.TUE...S wind 25 kt. Seas in ice free waters 4 ft.
.WED THROUGH THU...N wind 30 kt. Seas in ice free waters 5 ft.

$$

PKZ181-111230-
North and West of Nunivak Island-
325 PM AKDT Sat Apr 10 2021

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 35 kt diminishing to 25 kt after midnight.
.SUN...SE wind 15 kt.
.SUN NIGHT...S wind 25 kt.
.MON...S wind 25 kt.
.MON NIGHT...S wind 15 kt.
.TUE...SW wind 15 kt.
.WED...NW wind 20 kt.
.THU...NW wind 15 kt.

$$

PKZ185-111230-
Saint Matthew Island Waters-
325 PM AKDT Sat Apr 10 2021

...GALE WARNING THROUGH SUNDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH SUNDAY NIGHT...

.TONIGHT...E wind 30 kt E of Saint Matthew Island...NE 40 kt W of
Saint Matthew Island. Seas in ice free waters 14 ft. Heavy freezing 
spray. Snow.
.SUN...E wind 25 kt E of Saint Matthew Island...N 40 kt W of Saint
Matthew Island. Seas in ice free waters 12 ft. Heavy freezing spray. 
Snow.
.SUN NIGHT...S 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.
.MON...NW wind 30 kt. Seas in ice free waters 8 ft.
.MON NIGHT...W wind 20 kt. Seas in ice free waters 6 ft.
.TUE...NW wind 20 kt. Seas in ice free waters 5 ft.
.WED...W wind 25 kt. Seas in ice free waters 6 ft.
.THU...SW wind 20 kt. Seas in ice free waters 11 ft.

$$
11 follow-up statements
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.

$$
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.

$$

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, 5:06 AM AKDT, 10 hours 19 minutes earlier.

Area forecast discussion, Apr 10, 5:06 AM AKDT, 10 hours 19 minutes before
Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
506 AM AKDT Sat Apr 10 2021

.ANALYSIS AND UPPER LEVELS...

An upper level longwave trough remains anchored over the Bering
with a shortwave ridge over Southcentral. Underneath the trough a
complex low with multiple centers exists over the western Bering.
The primary front is well displaced from the low center and exists
over Southwest Alaska extending from Hooper Bay to King Salmon.
Blizzard conditions have been observed over the Kuskokwim Delta
Coast this morning with snow and blowing snow over Bristol Bay.
These conditions are expected to lift around sunrise.

Over Southcentral winds have by and large diminished across the
region with Valdez being the last to hold on to the cold drainage
winds. The polar shortwave that brought the cold air south can be
seen on infrared satellite over the Yukon Territory. Cold
temperatures remain in place underneath the shortwave ridge with
Anchorage International breaking another record low temperature
this morning at 6F. Temperatures in the Copper River Basin remain
well below average as well with Paxson measuring -29F and -17F in
Glennallen. Things should begin to warm today as upper level
clouds stream in from the west and southerly flow begins to set
in.

&&

.MODEL DISCUSSION...

Models are in good agreement in the short term but begin to
diverge on Monday. One minor difference in the short term is that
flow aloft is more zonal than models were depicting yesterday. As
a result, southwest flow over the Cook Inlet that may have lead to
an inch or two of snow has been decreased due to a stronger
westerly component and downsloping (drying) off of the Western
Alaska Range. On Monday, the primary model differences are in the
east/west location of the moisture field as it reaches the north
Gulf Coast. Minor Differences in the flow will lead to substantial
differences in snow totals from Whittier to Cordova. As such,
forecast confidence for these areas decreases on Monday.

&&

.AVIATION...
PANC...VFR ceilings and visibility will persist through the
forecast period. There is a chance for a brief period of light
snow this afternoon, but the atmosphere may remain to dry for
accumulation at the surface. Ceilings will likely hover around
5000 ft at this time before raising in the evening. Sunday
morning a front will move over the area, allowing for low level
wind shear and the typical downslope hole over the terminal.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 through 3/Today
through Monday night)...

Amplifying upper level flow will result in an active weather
pattern for Southcentral and the Gulf over the next few days. Some
of the highlights include warming temperatures, chinook "downslope"
winds, and heavy precipitation along the coast. First off,
lingering strong winds in eastern Prince William Sound (including
Valdez) will finally die down during the morning hours as a
short-wave ridge moves overhead and pressure gradients rapidly
slacken. A short-wave trough over Southwest Alaska will weaken as
it crosses Southcentral today. With such a dry airmass in place
(Total Precipitable Water of 0.08" on the 12Z Anchorage sounding)
it's going to be difficult to saturate the low levels and get
snow all the way to the ground. Have backed off the snow forecast,
which was already unimpressive. Expect most areas to remain dry,
with the best likelihood of light snow/dusting along the west side
of the Kenai and Chugach Mountains.

Attention will shift to a much more impressive upper trough and
surface front approaching the western Gulf/Kodiak Island late
tonight. A series of short-waves will dig southward across the
North Pacific today/tonight causing rapidly building heights
across the Gulf and Southcentral. This will lead to development of
a strong southerly jet and atmospheric river, which is fairly rare
for this time of year. The front will progress eastward across
the western Gulf Sunday through Sunday night, then stall over the
central Gulf along the west side of the upper level ridge. Expect
widespread wind and moderate to heavy precipitation from Kodiak
Island to Prince William Sound. Strong low level southeasterly
flow will particularly favor the eastern Kenai Peninsula/western
Prince William Sound for heavy precipitation, while producing
downslope drying for most of the western Kenai Peninsula as well
as for Anchorage and the Matanuska Valley. Although the airmass
will certainly warm from its current state, expect the bulk of
precipitation to fall in the form of snow. Gusty winds will cause
surface temperatures to rise above freezing at sea level by
Sunday afternoon, with locations along the immediate coast likely
transitioning to a mix of rain/snow or even all rain. Snow levels
will remain low though, with coastal mountains getting a dump of
heavy snow to go along with the strong winds.

In addition to the strong low level flow, also expect gap winds
to develop on Sunday, most notably through Turnagain Arm, the
Knik River Valley, and along the Copper River. Expect temperatures
to jump where the wind is blowing, likely into the lower 40s.
Wind sheltered areas will remain cooler. Winds along Turnagain Arm
could approach High Wind Warning levels (75mph). However, at this
point it looks like pressure gradients favor the Turnagain wind
bending southward down Cook Inlet which should keep winds below
warning level along the Anchorage Hillside. In any case, this will
be the strongest Turnagain winds in quite some time.

Forecast confidence drops Monday through Monday night due to
uncertainty in the position of the surface front as well as timing
of the next trough and surface low moving up from the Pacific.
However, based on the highly amplified pattern, expect strong
winds and heavy precipitation to remain a threat, particularly
along the coastal zone. This is also a warm pattern, so expect
temperatures to return to normal (or perhaps even above normal)
for this time of year.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Today through Monday)...

Blizzard conditions are presently occurring across the Kuskokwim
Delta coast and areas near Cape Newenham. Visibilities will
slightly improve as winds slowly diminish this morning over these
areas, however light snow and blowing snow will continue much of
today. A weak upper ridge will inhibit any precipitation farther
inland. A second front will approach the Southwest coast this
evening. Precipitation types are somewhat challenging, however
brief initial snow over the Kuskokwim Delta will give way to a
mix or rain overnight (for lower elevations) into Sunday in a deep
southerly flow. Easterly winds will develop near King Salmon late
this evening into early Sunday morning. This may lead to surface
temperatures briefly falling to at or below freezing while 950 mb
temperatures remain just above freezing. As such, periods of light
freezing rain are possible for this area, though impacts will be
minimal. Widespread rain/snow showers will continue through Sunday
as a broad low weakens in the eastern Bering. Warmer temperatures
will continue into Monday, with rain showers becoming more
scattered as the low becomes vertically stacked and further
weakens.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Today through Monday)...

A front will track across the Aleutians through Sunday morning
bringing moderate rain and gusty southeasterly winds to the Chain
and Pribilofs. A broad low will gradually weaken in the Bering
through Monday. As it moves farther north, the northerly flow
behind it will change precipitation from west to east from a mix
to all snow showers.

&&

.MARINE (Days 3 through 5: Monday through Wednesday)...

Bering Sea/Aleutians

A broad area of low pressure will remain centered over the northern
Bering Sea on Monday. Winds are expected to remain below gale
force with no high seas expected. Forecast confidence rapidly
decreases on Tuesday as guidance shows significant differences in
solutions with respect to a second potential low pressure system
moving eastward across the southern Bering Sea Tuesday and Wednesday.
Overall, forecast confidence is moderate to high for Monday and
very low for Tuesday and Wednesday.

Gulf of Alaska

A front over the northern Gulf of Alaska will result in gale
force southeasterly winds across the coastal waters of the north central
Gulf of Alaska. These gale force southeasterly winds will also
extend into Prince William Sound before easing Monday night. A low
pressure system is expected to approach the Gulf on Tuesday. A
front associated with this low will bring another round of
easterly gale force winds throughout the coastal waters.
Confidence in the intensity of these winds is low to moderate due
to different solutions in the placement and intensity of the low
center. Though, there is a moderate degree of consistency these
easterly winds will funnel along the coast and will be gale force.
Confidence increases on Wednesday as these winds will gradually
weaken. No high seas are expected during this period.

&&

.Long Term Forecast (Days 4 through 7: Tuesday through Friday)...

The pattern will be amplified as an upper level low moves over the
Bering Sea on Tuesday while upper level ridging extends across the
eastern Alaskan mainland near the AlCan border. This low will then
move southeastward into the North Pacific on Friday. There is good
ensemble agreement that onshore flow and higher precipitable water
values are expected Tuesday and Wednesday as a front associated with
this low moves across the northern Gulf of Alaska into Southcentral
Alaska. This will allow for an increased chance of rain along the
coast and snow in more inland locations such as Turnagain Pass Tuesday
night through Wednesday afternoon. Due to the prevailing flow being
southeasterly, it is likely the Anchorage Bowl will have cloudy skies,
though little or no precipitation due to downsloping off the Chugach
Mountains. The precipitation associated with this front will taper
off across Southcentral Alaska Wednesday afternoon and evening.
Teleconnections support broad upper level ridging across the
Bering Sea and Alaska mainland Thursday afternoon onward. Due to
the dynamics of the aforementioned upper level low, there is good
ensemble agreement of a Rex Block forming over the Alaska
mainland and Bering Sea being under the upper level ridge Thursday
and Friday. The significance of the Rex Block is the upper ridge
will become more pronounced and is likely to persist for a longer
period of time. This upper level ridge will allow for a moderation
of the cold airmass and allow for more sunshine than clouds across
the Alaska mainland.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...Blizzard Warning 155
		 Winter Weather Advisory 161.
MARINE...Gale Warning 119 120 125 127-132 136-139 150 155 160 165 170
					  172 173 175 177-180 185 351 352 413 414.
		 Heavy Freezing Spray 121 126-130 140 185
FIRE WEATHER...NONE.

&&

SYNOPSIS AND MODEL DISCUSSION...CJ
SOUTHCENTRAL ALASKA...SEB
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...AP
MARINE/LONG TERM...ED

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 4:05 PM AKDTGale WarningAFC48 hr
Apr 9, 4:05 PM AKDTSmall Craft AdvisoryAFC59 hr
Apr 9, 4:05 PM AKDTHeavy Freezing Spray WarningAFC12 hr
Apr 10, 3:32 AM AKDTBrisk Wind AdvisoryAFC12 hr
Apr 10, 3:32 AM AKDTGale WarningAFC12 hr
Apr 10, 3:32 AM AKDTSmall Craft AdvisoryAFC36 hr
Apr 10, 3:44 AM AKDTGale WarningAFC36 hr
Apr 10, 3:44 AM AKDTSmall Craft AdvisoryAFC48 hr
Apr 10, 3:44 AM AKDTHeavy Freezing Spray WarningAFC12 hr
Apr 10, 3:45 AM AKDTGale WarningAFC48 hr
Apr 10, 3:25 PM AKDTGale WarningAFC12 hr
Apr 10, 3:59 PM AKDTSmall Craft AdvisoryAFC60 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.