Alert archive / Alaska / Small Craft Advisories in 2021

Small Craft Advisory 344, NWS Anchorage, AK

April 26, 2021

NWS Anchorage, AK issued this small craft advisory at Apr 26, 2021, 3:33 PM AKDT. It was in force for 48 hr.

The area

The counties it named.

The facts

Issued
Apr 26, 2021, 3:33 PM AKDT (23:33 UTC)
Expired
Apr 28, 2021, 3:30 PM AKDT
In force
48 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

150 
FZAK52 PAFC 262333
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
333 PM AKDT Mon Apr 26 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.

PKZ199-271245-
333 PM AKDT Mon Apr 26 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

Semisopochnoi Volcano, 140 nm West of Adak is currently active.

A 987 mb North Pacific low moves east for Wed afternoon. Its 
front decays over Southwest Alaska by Wed afternoon. High pressure
crosses the Bering through Wed afternoon. A 945 mb North Pacific 
low Mon night moves to 380 nm South of Attu at 978 mb for Wed 
afternoon. Its front moves over the Western Aleutians Wed 
afternoon.


$$

PKZ150-271245-
South of the AK Peninsula Sitkinak to Castle Cape-
333 PM AKDT Mon Apr 26 2021

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

.TONIGHT...NE wind 25 kt. Seas 8 ft.
.TUE...NE wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 25 kt. Seas 9 ft.
.WED...NE wind 20 kt. Seas 8 ft.
.WED NIGHT...NE wind 15 kt. Seas 6 ft.
.THU THROUGH FRI...W wind 15 kt. Seas 6 ft.
.SAT...SE wind 15 kt. Seas 6 ft.

$$

PKZ155-271245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
333 PM AKDT Mon Apr 26 2021

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

.TONIGHT...NE wind 20 kt. Seas 7 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 25 kt. Seas 8 ft.
.WED...N wind 20 kt. Seas 8 ft.
.WED NIGHT...N wind 15 kt. Seas 6 ft.
.THU...N wind 15 kt. Seas 7 ft.
.FRI...Variable wind 10 kt. Seas 7 ft.
.SAT...E wind 15 kt. Seas 6 ft.

$$

PKZ160-271245-
Bristol Bay-
333 PM AKDT Mon Apr 26 2021

.TONIGHT...NE wind 20 kt. Seas 4 ft.
.TUE...NE wind 15 kt. Seas 3 ft.
.TUE NIGHT...N wind 15 kt. Seas 2 ft.
.WED...N wind 10 kt. Seas 2 ft.
.WED NIGHT...W wind 10 kt. Seas 2 ft.
.THU THROUGH FRI...NW wind 15 kt. Seas 3 ft.
.SAT...NE wind 10 kt. Seas 2 ft.

$$

PKZ165-271245-
Port Heiden to Cape Sarichef-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE wind 30 kt. Seas 11 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.TUE NIGHT...N wind 20 kt. Seas 5 ft.
.WED AND WED NIGHT...N wind 15 kt. Seas 4 ft.
.THU...N wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 4 ft.

$$

PKZ170-271245-
Cape Sarichef to Nikolski Bering Side-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N wind 30 kt. Seas 13 ft.
.TUE...N wind 30 kt diminishing to 20 kt in the afternoon. 
Seas 11 ft.
.TUE NIGHT...N wind 20 kt. Seas 7 ft.
.WED AND WED NIGHT...NE wind 15 kt. Seas 5 ft.
.THU...NE wind 20 kt. Seas 6 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 5 ft.

$$

PKZ171-271245-
Unalaska Bay-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 30 kt. Seas 12 ft.
.TUE...N wind 20 kt. Seas 7 ft.
.TUE NIGHT...N wind 15 kt diminishing to 10 kt after midnight.
Seas 5 ft subsiding to 3 ft after midnight.
.WED AND WED NIGHT...N wind 10 kt. Seas 3 ft.
.THU...NE wind 15 kt. Seas 3 ft.
.FRI THROUGH SAT...NE wind 10 kt. Seas 3 ft.

$$

PKZ172-271245-
Cape Sarichef to Nikolski Pacific Side-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N wind 30 kt. Seas 9 ft.
.TUE...N wind 25 kt. Seas 7 ft.
.TUE NIGHT...N wind 20 kt. Seas 6 ft.
.WED...N wind 15 kt. Seas 5 ft.
.WED NIGHT...Variable wind 10 kt. Seas 7 ft.
.THU...Variable wind 10 kt. Seas 8 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 7 ft.

$$

PKZ173-271245-
Nikolski to Seguam Island Bering Side-
333 PM AKDT Mon Apr 26 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 35 kt. Seas 14 ft.
.TUE...N wind 30 kt diminishing to 20 kt in the afternoon. 
Seas 13 ft.
.TUE NIGHT...NE wind 20 kt. Seas 8 ft.
.WED AND WED NIGHT...NE wind 15 kt. Seas 5 ft.
.THU THROUGH FRI...NE wind 15 kt. Seas 6 ft.
.SAT...N wind 15 kt. Seas 5 ft.

$$

PKZ174-271245-
Nikolski to Seguam Island Pacific Side-
333 PM AKDT Mon Apr 26 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 35 kt. Seas 15 ft.
.TUE...N wind 30 kt diminishing to 20 kt in the afternoon. 
Seas 12 ft.
.TUE NIGHT...N wind 20 kt. Seas 7 ft.
.WED AND WED NIGHT...Variable wind 10 kt. Seas 9 ft.
.THU THROUGH FRI...E wind 15 kt. Seas 9 ft.
.SAT...N wind 20 kt. Seas 6 ft.

$$

PKZ175-271245-
Seguam Island to Adak Bering Side-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N wind 30 kt. Seas 13 ft.
.TUE...N wind 25 kt. Seas 10 ft.
.TUE NIGHT...NE wind 15 kt. Seas 7 ft.
.WED AND WED NIGHT...E wind 20 kt. Seas 7 ft.
.THU THROUGH FRI...NE wind 20 kt. Seas 6 ft.
.SAT...NW wind 15 kt. Seas 5 ft.

$$

PKZ176-271245-
Seguam Island to Adak Pacific Side-
333 PM AKDT Mon Apr 26 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 35 kt. Seas 11 ft.
.TUE...N wind 25 kt. Seas 9 ft.
.TUE NIGHT...NE wind 15 kt. Seas 6 ft.
.WED AND WED NIGHT...E wind 15 kt. Seas 13 ft.
.THU...E wind 20 kt. Seas 12 ft.
.FRI...NE wind 15 kt. Seas 8 ft.
.SAT...NW wind 15 kt. Seas 7 ft.

$$

PKZ177-271245-
Adak to Kiska-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TUESDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 7 ft.
.TUE...E wind 20 kt. Seas 6 ft.
.TUE NIGHT...E wind 25 kt. Seas 6 ft building to 11 ft 
after midnight.
.WED AND WED NIGHT...E wind 25 kt. Seas 15 ft.
.THU...NE wind 20 kt. Seas 13 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT...NW wind 20 kt. Seas 6 ft.

$$

PKZ178-271245-
Kiska to Attu-
333 PM AKDT Mon Apr 26 2021

...GALE WARNING TUESDAY AND TUESDAY NIGHT...

.TONIGHT...SE wind 15 kt increasing to 25 kt after midnight. 
Seas 6 ft.
.TUE...SE wind 35 kt. Seas 8 ft building to 13 ft in the
afternoon. Rain.
.TUE NIGHT...E wind 35 kt. Seas 17 ft Bering side...21 ft 
Pacific side. Rain.
.WED AND WED NIGHT...NE wind 30 kt. Seas 18 ft.
.THU...NE wind 25 kt. Seas 13 ft.
.FRI...N wind 20 kt. Seas 9 ft.
.SAT...NW wind 15 kt. Seas 5 ft.

$$

PKZ179-271245-
Pribilof Islands Near Shore Waters-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N wind 30 kt. Seas 11 ft.
.TUE...N wind 25 kt. Seas 8 ft.
.TUE NIGHT...N wind 20 kt. Seas 5 ft.
.WED...N wind 15 kt. Seas 4 ft.
.WED NIGHT...NE wind 20 kt. Seas 6 ft.
.THU...NE wind 20 kt. Seas 6 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 4 ft.

$$

PKZ180-271245-
Kuskokwim Delta and Etolin Strait-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt. Seas in ice free waters 6 ft.
.TUE...N wind 20 kt. Seas in ice free waters 4 ft.
.TUE NIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.WED AND WED NIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.THU...NW wind 20 kt. Seas in ice free waters 5 ft.
.FRI THROUGH SAT...N wind 15 kt. Seas in ice free waters 3 ft.

$$

PKZ181-271245-
North and West of Nunivak Island-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...N wind 25 kt. Seas in ice free waters 5 ft.
.TUE...N wind 25 kt. Seas in ice free waters 4 ft.
.TUE NIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.WED AND WED NIGHT...N wind 20 kt. Seas in ice free waters 2 ft.
.THU...NW wind 20 kt. Seas in ice free waters 2 ft.
.FRI THROUGH SAT...N wind 15 kt. Seas in ice free waters 1 foot.

$$

PKZ185-271245-
Saint Matthew Island Waters-
333 PM AKDT Mon Apr 26 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 25 kt. Seas 4 ft.
.TUE...N wind 20 kt E of Saint Matthew Island...W 15 kt 
W of Saint Matthew Island. Seas 3 ft.
.TUE NIGHT...NW wind 15 kt. Seas 3 ft.
.WED AND WED NIGHT...N wind 20 kt. Seas 5 ft.
.THU...NW wind 15 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 4 ft.
.SAT...N wind 15 kt. Seas 3 ft.

$$
4 follow-up statements
457 
FZAK52 PAFC 271115
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
315 AM AKDT Tue Apr 27 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.

PKZ199-280000-
315 AM AKDT Tue Apr 27 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

High pressure crosses the Bering through Wed night. A 976 mb low
is 400 nm southwest of Shemya on Wed. Its front moves across the
western Bering through Wed night. 

$$

PKZ150-280000-
South of the AK Peninsula Sitkinak to Castle Cape-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...NE wind 25 kt. Seas 9 ft.
.TONIGHT...NE wind 25 kt. Seas 9 ft.
.WED...NE wind 25 kt diminishing to 15 kt in the afternoon. Seas
8 ft.
.WED NIGHT...Variable wind 10 kt. Seas 5 ft.
.THU THROUGH FRI...W wind 25 kt. Seas 7 ft.
.SAT...SE wind 15 kt. Seas 6 ft.

$$

PKZ155-280000-
South of the AK Peninsula Castle Cape to Cape Sarichef-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TODAY...N wind 25 kt. Seas 9 ft.
.TONIGHT...NE wind 25 kt. Seas 9 ft.
.WED...N wind 25 kt. Seas 8 ft.
.WED NIGHT...N wind 15 kt. Seas 6 ft.
.THU THROUGH FRI...NW wind 15 kt. Seas 8 ft.
.SAT...E wind 15 kt. Seas 7 ft.

$$

PKZ160-280000-
Bristol Bay-
315 AM AKDT Tue Apr 27 2021

.TODAY...NE wind 20 kt. Seas 3 ft.
.TONIGHT...N wind 15 kt. Seas 2 ft.
.WED...NE wind 10 kt. Seas 2 ft.
.WED NIGHT...W wind 15 kt. Seas 2 foot.
.THU THROUGH FRI...W wind 20 kt. Seas 3 ft.
.SAT...E wind 15 kt. Seas 2 ft.

$$

PKZ165-280000-
Port Heiden to Cape Sarichef-
315 AM AKDT Tue Apr 27 2021

.TODAY...N wind 20 kt. Seas 7 ft.
.TONIGHT...N wind 20 kt. Seas 6 ft.
.WED...NE wind 15 kt. Seas 4 ft.
.WED NIGHT...N wind 15 kt. Seas 4 ft.
.THU...N wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.SAT...E wind 15 kt. Seas 3 ft.

$$

PKZ170-280000-
Cape Sarichef to Nikolski Bering Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas
11 ft subsiding to 8 ft in the afternoon.
.TONIGHT...N wind 20 kt. Seas 7 ft.
.WED...NE wind 15 kt. Seas 5 ft.
.WED NIGHT...NE wind 15 kt. Seas 5 ft.
.THU...NE wind 20 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 5 ft.
.SAT...N wind 20 kt. Seas 5 ft.

$$

PKZ171-280000-
Unalaska Bay-
315 AM AKDT Tue Apr 27 2021

.TODAY...N wind 20 kt. Seas 7 ft.
.TONIGHT...N wind 15 kt diminishing to 10 kt after midnight. Seas
5 ft subsiding to 3 ft after midnight.
.WED...N wind 10 kt. Seas 3 ft.
.WED NIGHT...N wind 10 kt. Seas 3 ft.
.THU...NE wind 15 kt. Seas 5 ft.
.FRI...E wind 10 kt. Seas 3 ft.
.SAT...NE wind 15 kt. Seas 2 ft.

$$

PKZ172-280000-
Cape Sarichef to Nikolski Pacific Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TODAY...

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

$$

PKZ173-280000-
Nikolski to Seguam Island Bering Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas
12 ft.
.TONIGHT...NE wind 20 kt. Seas 8 ft.
.WED...NE wind 15 kt. Seas 5 ft.
.WED NIGHT...NE wind 15 kt. Seas 5 ft.
.THU THROUGH FRI...E wind 15 kt. Seas 6 ft.
.SAT...NW wind 20 kt. Seas 6 ft.

$$

PKZ174-280000-
Nikolski to Seguam Island Pacific Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 30 kt diminishing to 20 kt in the afternoon. Seas
12 ft.
.TONIGHT...N wind 20 kt. Seas 8 ft.
.WED...E wind 10 kt. Seas 6 ft.
.WED NIGHT...Variable wind 10 kt. Seas 11 ft.
.THU THROUGH FRI...E wind 15 kt. Seas 9 ft.
.SAT...N wind 20 kt. Seas 7 ft.

$$

PKZ175-280000-
Seguam Island to Adak Bering Side-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 10 ft.
.TONIGHT...NE wind 15 kt. Seas 7 ft.
.WED...E wind 15 kt. Seas 6 ft.
.WED NIGHT...E wind 20 kt. Seas 6 ft.
.THU THROUGH FRI...NE wind 20 kt. Seas 6 ft.
.SAT...NW wind 15 kt. Seas 7 ft.

$$

PKZ176-280000-
Seguam Island to Adak Pacific Side-
315 AM AKDT Tue Apr 27 2021

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

.TODAY...N wind 30 kt becoming NE 20 kt in the afternoon. Seas 9
ft.
.TONIGHT...NE wind 15 kt. Seas 6 ft.
.WED...E wind 15 kt. Seas 11 ft.
.WED NIGHT...E wind 20 kt. Seas 12 ft.
.THU...E wind 20 kt. Seas 12 ft.
.FRI...NE wind 15 kt. Seas 8 ft.
.SAT...NW wind 20 kt. Seas 7 ft.

$$

PKZ177-280000-
Adak to Kiska-
315 AM AKDT Tue Apr 27 2021

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

.TODAY...E wind 20 kt. Seas 7 ft.
.TONIGHT...E wind 25 kt. Seas 6 ft building to 11 ft after
midnight.
.WED...E wind 25 kt. Seas 15 ft.
.WED NIGHT...E wind 25 kt. Seas 14 ft.
.THU...E wind 25 kt. Seas 11 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT...NW wind 15 kt. Seas 5 ft.

$$

PKZ178-280000-
Kiska to Attu-
315 AM AKDT Tue Apr 27 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...E wind 40 kt. Seas 12 ft. Rain.
.TONIGHT...E wind 35 kt. Seas 19 ft. Rain.
.WED...E wind 30 kt. Seas 19 ft.
.WED NIGHT...E wind 30 kt. Seas 15 ft.
.THU...NE wind 25 kt. Seas 11 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT...NW wind 15 kt. Seas 5 ft.

$$

PKZ179-280000-
Pribilof Islands Near Shore Waters-
315 AM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 25 kt. Seas 8 ft.
.TONIGHT...N wind 20 kt. Seas 5 ft.
.WED...N wind 20 kt. Seas 4 ft.
.WED NIGHT...NE wind 20 kt. Seas 7 ft.
.THU...NE wind 20 kt. Seas 7 ft.
.FRI...Variable wind 10 kt. Seas 3 ft.
.SAT...W wind 15 kt. Seas 2 ft.

$$

PKZ180-280000-
Kuskokwim Delta and Etolin Strait-
315 AM AKDT Tue Apr 27 2021

.TODAY...N wind 20 kt. Seas in ice free waters 4 ft.
.TONIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.WED...N wind 20 kt. Seas in ice free waters 3 ft.
.WED NIGHT...N wind 25 kt. Seas in ice free waters 4 ft.
.THU...NW wind 25 kt. Seas in ice free waters 5 ft.
.FRI...W wind 20 kt. Seas in ice free waters 3 ft.
.SAT...E wind 10 kt. Seas in ice free waters 2 ft.

$$

PKZ181-280000-
North and West of Nunivak Island-
315 AM AKDT Tue Apr 27 2021

.TODAY...N wind 20 kt. Seas in ice free waters 4 ft.
.TONIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.WED...N wind 20 kt. Seas in ice free waters 3 ft.
.WED NIGHT...N wind 25 kt. Seas in ice free waters 2 ft.
.THU...NW wind 20 kt. Seas in ice free waters 3 ft.
.FRI...W wind 15 kt. Seas in ice free waters 2 ft.
.SAT...Variable wind 10 kt. Seas in ice free waters 1 foot.

$$

PKZ185-280000-
Saint Matthew Island Waters-
315 AM AKDT Tue Apr 27 2021

.TODAY...N wind 20 kt E of Saint Matthew Island...W 15 kt W of
Saint Matthew Island. Seas 4 ft.
.TONIGHT...NW wind 15 kt. Seas 3 ft.
.WED...N wind 20 kt. Seas 4 ft.
.WED NIGHT...N wind 20 kt. Seas 6 ft.
.THU THROUGH FRI...W wind 15 kt. Seas 6 ft.
.SAT...N wind 15 kt. Seas 4 ft.

$$
244 
FZAK52 PAFC 272234
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
234 PM AKDT Tue Apr 27 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.

PKZ199-281145-
234 PM AKDT Tue Apr 27 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A front across the western Aleutians enters the central Aleutians
and Bering Wed morning before dissipating by Wed afternoon.

$$

PKZ150-281145-
South of the AK Peninsula Sitkinak to Castle Cape-
234 PM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TONIGHT...NE wind 25 kt. Seas 9 ft.
.WED...NE wind 25 kt. Seas 8 ft.
.WED NIGHT...Variable wind 10 kt. Seas 5 ft.
.THU...NW wind 15 kt. Seas 5 ft.
.THU NIGHT...NW wind 20 kt. Seas 7 ft.
.FRI...W wind 20 kt. Seas 8 ft.
.SAT...SE wind 15 kt. Seas 6 ft.
.SUN...NE wind 20 kt. Seas 10 ft.

$$

PKZ155-281145-
South of the AK Peninsula Castle Cape to Cape Sarichef-
234 PM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY THROUGH WEDNESDAY...

.TONIGHT...NE wind 25 kt. Seas 9 ft.
.WED...N wind 25 kt. Seas 8 ft.
.WED NIGHT...N wind 15 kt. Seas 5 ft.
.THU...N wind 20 kt. Seas 7 ft.
.THU NIGHT...N wind 15 kt. Seas 7 ft.
.FRI...NW wind 15 kt. Seas 8 ft.
.SAT...E wind 15 kt. Seas 7 ft.
.SUN...NW wind 25 kt. Seas 13 ft.

$$

PKZ160-281145-
Bristol Bay-
234 PM AKDT Tue Apr 27 2021

.TONIGHT...N wind 15 kt. Seas 2 ft.
.WED...NE wind 10 kt. Seas 2 ft.
.WED NIGHT...NW wind 10 kt. Seas 2 ft.
.THU AND THU NIGHT...NW wind 20 kt. Seas 4 ft.
.FRI...NW wind 15 kt. Seas 3 ft.
.SAT...E wind 15 kt. Seas 2 ft.
.SUN...NE wind 15 kt. Seas 4 ft.

$$

PKZ165-281145-
Port Heiden to Cape Sarichef-
234 PM AKDT Tue Apr 27 2021

.TONIGHT...N wind 20 kt. Seas 6 ft.
.WED...N wind 15 kt. Seas 4 ft.
.WED NIGHT...N wind 20 kt. Seas 4 ft.
.THU AND THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.SAT...E wind 15 kt. Seas 3 ft.
.SUN...NW wind 20 kt. Seas 9 ft.

$$

PKZ170-281145-
Cape Sarichef to Nikolski Bering Side-
234 PM AKDT Tue Apr 27 2021

.TONIGHT...N wind 20 kt. Seas 7 ft.
.WED...NE wind 15 kt. Seas 5 ft.
.WED NIGHT...NE wind 20 kt. Seas 5 ft.
.THU...NE wind 20 kt. Seas 7 ft.
.THU NIGHT...NE wind 15 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 5 ft.
.SAT...N wind 20 kt. Seas 5 ft.
.SUN...W wind 20 kt. Seas 18 ft.

$$

PKZ171-281145-
Unalaska Bay-
234 PM AKDT Tue Apr 27 2021

.TONIGHT...N wind 15 kt diminishing to 10 kt after midnight. 
Seas 5 ft subsiding to 3 ft after midnight.
.WED AND WED NIGHT...N wind 10 kt. Seas 3 ft.
.THU AND THU NIGHT...NE wind 15 kt. Seas 4 ft.
.FRI...E wind 10 kt. Seas 3 ft.
.SAT...NE wind 15 kt. Seas 2 ft.
.SUN...NW wind 15 kt. Seas 5 ft.

$$

PKZ172-281145-
Cape Sarichef to Nikolski Pacific Side-
234 PM AKDT Tue Apr 27 2021

.TONIGHT...N wind 20 kt. Seas 6 ft.
.WED...N wind 15 kt. Seas 5 ft.
.WED NIGHT...N wind 15 kt. Seas 7 ft.
.THU AND THU NIGHT...NE wind 15 kt. Seas 9 ft.
.FRI...E wind 15 kt. Seas 7 ft.
.SAT...NE wind 20 kt. Seas 7 ft.
.SUN...NW wind 25 kt. Seas 12 ft.

$$

PKZ173-281145-
Nikolski to Seguam Island Bering Side-
234 PM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE wind 20 kt. Seas 8 ft.
.WED...NE wind 15 kt. Seas 5 ft.
.WED NIGHT...NE wind 15 kt. Seas 5 ft.
.THU AND THU NIGHT...E wind 20 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 5 ft.
.SAT...NW wind 20 kt. Seas 6 ft.
.SUN...W wind 20 kt. Seas 14 ft.

$$

PKZ174-281145-
Nikolski to Seguam Island Pacific Side-
234 PM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY WEDNESDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas 7 ft.
.WED...NE wind 15 kt. Seas 6 ft.
.WED NIGHT...Variable wind 10 kt. Seas 10 ft.
.THU...Variable wind 10 kt. Seas 10 ft.
.THU NIGHT...E wind 15 kt. Seas 10 ft.
.FRI...E wind 15 kt. Seas 8 ft.
.SAT...N wind 20 kt. Seas 7 ft.
.SUN...W wind 20 kt. Seas 11 ft.

$$

PKZ175-281145-
Seguam Island to Adak Bering Side-
234 PM AKDT Tue Apr 27 2021

.TONIGHT...NE wind 15 kt. Seas 7 ft.
.WED...E wind 20 kt. Seas 6 ft.
.WED NIGHT...E wind 20 kt. Seas 7 ft.
.THU AND THU NIGHT...E wind 20 kt. Seas 7 ft.
.FRI...NE wind 20 kt. Seas 6 ft.
.SAT...NW wind 15 kt. Seas 7 ft.
.SUN...W wind 20 kt. Seas 9 ft.

$$

PKZ176-281145-
Seguam Island to Adak Pacific Side-
234 PM AKDT Tue Apr 27 2021

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

.TONIGHT...NE wind 15 kt. Seas 6 ft.
.WED...E wind 15 kt. Seas 11 ft.
.WED NIGHT...E wind 15 kt. Seas 13 ft.
.THU AND THU NIGHT...E wind 20 kt. Seas 11 ft.
.FRI...NE wind 20 kt. Seas 8 ft.
.SAT...NW wind 20 kt. Seas 7 ft.
.SUN...W wind 20 kt. Seas 6 ft.

$$

PKZ177-281145-
Adak to Kiska-
234 PM AKDT Tue Apr 27 2021

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

.TONIGHT...E wind 30 kt. Seas 6 ft building to 11 ft 
after midnight.
.WED...E wind 25 kt. Seas 14 ft.
.WED NIGHT...E wind 25 kt. Seas 14 ft.
.THU...E wind 25 kt. Seas 11 ft.
.THU NIGHT...NE wind 20 kt. Seas 9 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT...NW wind 15 kt. Seas 5 ft.
.SUN...S wind 20 kt. Seas 6 ft.

$$

PKZ178-281145-
Kiska to Attu-
234 PM AKDT Tue Apr 27 2021

...GALE WARNING TONIGHT...

.TONIGHT...E wind 35 kt. Seas 16 ft Bering side...20 ft 
Pacific side. Rain.
.WED...E wind 30 kt. Seas 19 ft.
.WED NIGHT...E wind 30 kt. Seas 15 ft.
.THU...NE wind 25 kt. Seas 11 ft.
.THU NIGHT...NE wind 20 kt. Seas 9 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT...NW wind 15 kt. Seas 5 ft.
.SUN...E wind 25 kt. Seas 6 ft.

$$

PKZ179-281145-
Pribilof Islands Near Shore Waters-
234 PM AKDT Tue Apr 27 2021

.TONIGHT...N wind 20 kt. Seas 5 ft. Patchy fog.
.WED...N wind 20 kt. Seas 4 ft. Patchy fog.
.WED NIGHT...NE wind 20 kt. Seas 7 ft.
.THU...NE wind 20 kt. Seas 7 ft.
.THU NIGHT...N wind 15 kt. Seas 5 ft.
.FRI...Variable wind 10 kt. Seas 3 ft.
.SAT...W wind 15 kt. Seas 2 ft.
.SUN...W wind 15 kt. Seas 9 ft.

$$

PKZ180-281145-
Kuskokwim Delta and Etolin Strait-
234 PM AKDT Tue Apr 27 2021

...SMALL CRAFT ADVISORY WEDNESDAY NIGHT...

.TONIGHT...N wind 20 kt. Seas in ice free waters 3 ft.
.WED...N wind 20 kt. Seas in ice free waters 3 ft.
.WED NIGHT...N wind 25 kt. Seas in ice free waters 4 ft. Freezing spray.
.THU...N wind 25 kt. Seas in ice free waters 5 ft.
.THU NIGHT...NW wind 20 kt. Seas in ice free waters 5 ft.
.FRI...W wind 20 kt. Seas in ice free waters 3 ft.
.SAT...E wind 10 kt. Seas in ice free waters 2 ft.
.SUN...NW wind 15 kt. Seas in ice free waters 5 ft.

$$

PKZ181-281145-
North and West of Nunivak Island-
234 PM AKDT Tue Apr 27 2021

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

.TONIGHT...N wind 20 kt. Seas in ice free waters 4 ft.
.WED...N wind 25 kt. Seas in ice free waters 4 ft.
.WED NIGHT...N wind 25 kt. Seas in ice free waters 5 ft. 
Freezing spray.
.THU AND THU NIGHT...NW wind 20 kt. Seas in ice free waters 3 ft.
.FRI...Variable wind 10 kt. Seas in ice free waters 2 ft.
.SAT...Variable wind 10 kt. Seas in ice free waters 1 foot.
.SUN...NW wind 15 kt. Seas in ice free waters 2 ft.

$$

PKZ185-281145-
Saint Matthew Island Waters-
234 PM AKDT Tue Apr 27 2021

.TONIGHT...NW wind 20 kt E of Saint Matthew Island...N 15 kt 
W of Saint Matthew Island. Seas in ice free waters 3 ft.
.WED...N wind 20 kt. Seas in ice free waters 5 ft.
.WED NIGHT...NE wind 20 kt. Seas in ice free waters 6 ft.
.THU...N wind 15 kt. Seas in ice free waters 6 ft.
.THU NIGHT...NW wind 15 kt. Seas in ice free waters 5 ft.
.FRI...W wind 15 kt. Seas in ice free waters 5 ft.
.SAT...N wind 15 kt. Seas in ice free waters 4 ft.
.SUN...NW wind 20 kt. Seas in ice free waters 3 ft.

$$
571 
FZAK52 PAFC 281144
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
344 AM AKDT Wed Apr 28 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.

PKZ199-290030-
344 AM AKDT Wed Apr 28 2021

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

A slow-moving front over the western Bering moves eastward across
the central Aleutians through Fri morning.

$$

PKZ150-290030-
South of the AK Peninsula Sitkinak to Castle Cape-
344 AM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...NE wind 25 kt. Seas 8 ft.
.TONIGHT...NE wind 15 kt becoming variable 10 kt after midnight. 
Seas 5 ft.
.THU...Variable wind 10 kt. Seas 5 ft.
.THU NIGHT...NW wind 20 kt. Seas 7 ft.
.FRI...W wind 20 kt. Seas 8 ft.
.SAT THROUGH SUN...S wind 20 kt. Seas 7 ft.

$$

PKZ155-290030-
South of the AK Peninsula Castle Cape to Cape Sarichef-
344 AM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY TODAY...

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

$$

PKZ160-290030-
Bristol Bay-
344 AM AKDT Wed Apr 28 2021

.TODAY...NE wind 10 kt. Seas 2 ft.
.TONIGHT...NW wind 10 kt becoming W after midnight. Seas 2 ft.
.THU...NW wind 20 kt. Seas 4 ft.
.THU NIGHT...NW wind 15 kt. Seas 4 ft.
.FRI...NW wind 15 kt. Seas 4 ft.
.SAT...E wind 20 kt. Seas 4 ft.
.SUN...SE wind 20 kt. Seas 4 ft.

$$

PKZ165-290030-
Port Heiden to Cape Sarichef-
344 AM AKDT Wed Apr 28 2021

.TODAY...N wind 15 kt. Seas 4 ft.
.TONIGHT...N wind 20 kt. Seas 4 ft.
.THU...N wind 20 kt. Seas 7 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.SAT...E wind 15 kt. Seas 3 ft.
.SUN...SW wind 20 kt. Seas 8 ft.

$$

PKZ170-290030-
Cape Sarichef to Nikolski Bering Side-
344 AM AKDT Wed Apr 28 2021

.TODAY...NE wind 15 kt. Seas 5 ft.
.TONIGHT...NE wind 20 kt. Seas 5 ft.
.THU...NE wind 20 kt. Seas 7 ft.
.THU NIGHT...NE wind 20 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 5 ft.
.SAT...N wind 25 kt. Seas 3 ft.
.SUN...W wind 25 kt. Seas 8 ft.

$$

PKZ171-290030-
Unalaska Bay-
344 AM AKDT Wed Apr 28 2021

.TODAY...N wind 10 kt. Seas 3 ft.
.TONIGHT...N wind 10 kt. Seas 3 ft.
.THU...NE wind 15 kt. Seas 5 ft.
.THU NIGHT...NE wind 15 kt. Seas 5 ft.
.FRI...E wind 10 kt. Seas 3 ft.
.SAT...NE wind 10 kt. Seas 2 ft.
.SUN...W wind 15 kt. Seas 2 ft.

$$

PKZ172-290030-
Cape Sarichef to Nikolski Pacific Side-
344 AM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY THURSDAY...

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

$$

PKZ173-290030-
Nikolski to Seguam Island Bering Side-
344 AM AKDT Wed Apr 28 2021

.TODAY...NE wind 15 kt. Seas 5 ft.
.TONIGHT...NE wind 15 kt. Seas 5 ft.
.THU...NE wind 20 kt. Seas 6 ft.
.THU NIGHT...E wind 20 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 5 ft.
.SAT THROUGH SUN...W wind 20 kt. Seas 6 ft.

$$

PKZ174-290030-
Nikolski to Seguam Island Pacific Side-
344 AM AKDT Wed Apr 28 2021

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

.TODAY...NE wind 15 kt. Seas 6 ft.
.TONIGHT...Variable wind 10 kt. Seas 10 ft.
.THU...Variable wind 10 kt. Seas 10 ft.
.THU NIGHT...E wind 15 kt. Seas 10 ft.
.FRI...E wind 15 kt. Seas 8 ft.
.SAT...NW wind 25 kt. Seas 6 ft.
.SUN...W wind 25 kt. Seas 6 ft.

$$

PKZ175-290030-
Seguam Island to Adak Bering Side-
344 AM AKDT Wed Apr 28 2021

.TODAY...E wind 20 kt. Seas 6 ft.
.TONIGHT...E wind 20 kt. Seas 7 ft.
.THU...E wind 20 kt. Seas 7 ft.
.THU NIGHT...E wind 20 kt. Seas 6 ft.
.FRI...NE wind 20 kt. Seas 6 ft.
.SAT THROUGH SUN...W wind 20 kt. Seas 5 ft.

$$

PKZ176-290030-
Seguam Island to Adak Pacific Side-
344 AM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...E wind 15 kt. Seas 11 ft.
.TONIGHT...E wind 15 kt. Seas 13 ft.
.THU...E wind 20 kt. Seas 11 ft.
.THU NIGHT...E wind 20 kt. Seas 10 ft.
.FRI...NE wind 20 kt. Seas 8 ft.
.SAT THROUGH SUN...W wind 20 kt. Seas 6 ft.

$$

PKZ177-290030-
Adak to Kiska-
344 AM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...E wind 25 kt. Seas 14 ft.
.TONIGHT...E wind 25 kt. Seas 14 ft.
.THU...E wind 25 kt. Seas 11 ft.
.THU NIGHT...NE wind 20 kt. Seas 9 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT THROUGH SUN...W wind 20 kt. Seas 5 ft.

$$

PKZ178-290030-
Kiska to Attu-
344 AM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...E wind 30 kt. Seas 19 ft.
.TONIGHT...E wind 30 kt. Seas 15 ft.
.THU...E wind 25 kt. Seas 11 ft.
.THU NIGHT...NE wind 20 kt. Seas 9 ft.
.FRI...N wind 20 kt. Seas 8 ft.
.SAT THROUGH SUN...NW wind 15 kt. Seas 6 ft.

$$

PKZ179-290030-
Pribilof Islands Near Shore Waters-
344 AM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TODAY...N wind 20 kt. Seas 4 ft. Patchy fog.
.TONIGHT...NE wind 25 kt. Seas 7 ft.
.THU...NE wind 20 kt. Seas 7 ft.
.THU NIGHT...NE wind 15 kt. Seas 5 ft.
.FRI THROUGH SAT...Variable wind 10 kt. Seas 4 ft.
.SUN...W wind 20 kt. Seas 7 ft.

$$

PKZ180-290030-
Kuskokwim Delta and Etolin Strait-
344 AM AKDT Wed Apr 28 2021

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

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

$$

PKZ181-290030-
North and West of Nunivak Island-
344 AM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...N wind 25 kt. Seas in ice free waters 4 ft. Areas of 
freezing fog.
.TONIGHT...N wind 25 kt. Seas in ice free waters 6 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...Variable wind 10 kt. Seas in ice free waters 2 ft.
.SAT THROUGH SUN...NE wind 15 kt. Seas in ice free waters 2 ft.

$$

PKZ185-290030-
Saint Matthew Island Waters-
344 AM AKDT Wed Apr 28 2021

.TODAY...N wind 20 kt. Seas in ice free waters 5 ft.
.TONIGHT...NE wind 20 kt. Seas in ice free waters 6 ft.
.THU...N wind 20 kt E of Saint Matthew Island...variable 10 kt W
of Saint Matthew Island. Seas in ice free waters 6 ft.
.THU NIGHT...NW wind 15 kt. Seas in ice free waters 5 ft.
.FRI...W wind 15 kt. Seas in ice free waters 5 ft.
.SAT...NE wind 20 kt. Seas in ice free waters 5 ft.
.SUN...N wind 25 kt. Seas in ice free waters 5 ft.

$$
713 
FZAK52 PAFC 282330
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
330 PM AKDT Wed Apr 28 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.

PKZ199-291200-
330 PM AKDT Wed Apr 28 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A front over the western Aleutians moves into the central Aleutians
Thu afternoon before dissipating Fri afternoon.

$$

PKZ150-291200-
South of the AK Peninsula Sitkinak to Castle Cape-
330 PM AKDT Wed Apr 28 2021

.TONIGHT...NE wind up to 15 kt. Seas 5 ft.
.THU...Variable wind 10 kt. Seas 5 ft.
.THU NIGHT...NW wind up to 20 kt. Seas 7 ft.
.FRI...NW wind 20 kt. Seas 8 ft.
.FRI NIGHT...SW wind 15 kt. Seas 6 ft.
.SAT THROUGH SUN...S wind 20 kt. Seas 7 ft.
.MON...SW wind 15 kt. Seas 6 ft.

$$

PKZ155-291200-
South of the AK Peninsula Castle Cape to Cape Sarichef-
330 PM AKDT Wed Apr 28 2021

.TONIGHT...N wind up to 15 kt. Seas 5 ft.
.THU...N wind up to 15 kt. Seas 7 ft.
.THU NIGHT...NW wind up to 15 kt. Seas 7 ft. Patchy fog.
.FRI...Variable wind 10 kt. Seas 8 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 6 ft.
.SAT...E wind 20 kt. Seas 6 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 7 ft.

$$

PKZ160-291200-
Bristol Bay-
330 PM AKDT Wed Apr 28 2021

.TONIGHT...NW wind 10 kt. Seas 2 ft.
.THU...NW wind up to 20 kt. Seas 4 ft.
.THU NIGHT...NW wind 15 kt. Seas 4 ft.
.FRI AND FRI NIGHT...N wind 10 kt. Seas 3 ft.
.SAT THROUGH SUN...SE wind 20 kt. Seas 2 ft.
.MON...W wind 10 kt. Seas 4 ft.

$$

PKZ165-291200-
Port Heiden to Cape Sarichef-
330 PM AKDT Wed Apr 28 2021

.TONIGHT...N wind up to 20 kt. Seas 4 ft.
.THU...N wind 20 kt. Seas 7 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft. Patchy fog.
.FRI...N wind 15 kt. Seas 5 ft.
.FRI NIGHT...Variable wind 10 kt. Seas 4 ft.
.SAT...E wind 20 kt. Seas 3 ft.
.SUN THROUGH MON...SW wind 20 kt. Seas 8 ft.

$$

PKZ170-291200-
Cape Sarichef to Nikolski Bering Side-
330 PM AKDT Wed Apr 28 2021

.TONIGHT...NE wind 20 kt. Seas 5 ft. Patchy fog.
.THU...NE wind 20 kt. Seas 7 ft. Patchy fog.
.THU NIGHT...NE wind 20 kt. Seas 6 ft. Patchy fog.
.FRI AND FRI NIGHT...E wind 15 kt. Seas 5 ft.
.SAT...N wind 25 kt. Seas 3 ft.
.SUN...W wind 25 kt. Seas 7 ft.
.MON...W wind 20 kt. Seas 7 ft.

$$

PKZ171-291200-
Unalaska Bay-
330 PM AKDT Wed Apr 28 2021

.TONIGHT...N wind 10 kt. Seas 3 ft. Patchy fog.
.THU...N wind 10 kt. Seas 3 ft. Patchy fog.
.THU NIGHT...NE wind 10 kt. Seas 3 ft. Patchy fog.
.FRI AND FRI NIGHT...E wind 10 kt. Seas 2 ft.
.SAT...NE wind 10 kt. Seas 2 ft.
.SUN THROUGH MON...W wind 15 kt. Seas 2 ft.

$$

PKZ172-291200-
Cape Sarichef to Nikolski Pacific Side-
330 PM AKDT Wed Apr 28 2021

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

.TONIGHT...N wind 10 kt. Seas 7 ft. Patchy fog.
.THU...N wind up to 15 kt. Seas 9 ft. Patchy fog.
.THU NIGHT...E wind 15 kt. Seas 9 ft. Patchy fog.
.FRI AND FRI NIGHT...E wind 15 kt. Seas 7 ft.
.SAT...N wind 20 kt. Seas 6 ft.
.SUN THROUGH MON...W wind 20 kt. Seas 7 ft.

$$

PKZ173-291200-
Nikolski to Seguam Island Bering Side-
330 PM AKDT Wed Apr 28 2021

.TONIGHT...NE wind 15 kt. Seas 5 ft. Patchy fog.
.THU...NE wind 20 kt. Seas 6 ft. Patchy fog.
.THU NIGHT...E wind 20 kt. Seas 6 ft. Patchy fog.
.FRI AND FRI NIGHT...NE wind 15 kt. Seas 5 ft.
.SAT...NW wind 20 kt. Seas 4 ft.
.SUN THROUGH MON...W wind 20 kt. Seas 7 ft.

$$

PKZ174-291200-
Nikolski to Seguam Island Pacific Side-
330 PM AKDT Wed Apr 28 2021

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

.TONIGHT...Variable wind 10 kt. Seas 10 ft. Patchy fog.
.THU...Variable wind 10 kt. Seas 10 ft. Patchy fog.
.THU NIGHT...E wind up to 15 kt. Seas 10 ft. Patchy fog.
.FRI AND FRI NIGHT...NE wind 15 kt. Seas 8 ft.
.SAT...NW wind 25 kt. Seas 6 ft.
.SUN...W wind 25 kt. Seas 7 ft.
.MON...W wind 20 kt. Seas 7 ft.

$$

PKZ175-291200-
Seguam Island to Adak Bering Side-
330 PM AKDT Wed Apr 28 2021

.TONIGHT...E wind 20 kt. Seas 7 ft. Patchy fog.
.THU...E wind 20 kt. Seas 7 ft. Patchy fog.
.THU NIGHT...E wind 20 kt. Seas 6 ft.
.FRI...NE wind 20 kt. Seas 6 ft.
.FRI NIGHT...NE wind 15 kt. Seas 5 ft.
.SAT...NW wind 20 kt. Seas 5 ft.
.SUN THROUGH MON...W wind 20 kt. Seas 7 ft.

$$

PKZ176-291200-
Seguam Island to Adak Pacific Side-
330 PM AKDT Wed Apr 28 2021

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

.TONIGHT...E wind 20 kt. Seas 13 ft. Patchy fog.
.THU...E wind 20 kt. Seas 11 ft. Patchy fog.
.THU NIGHT...E wind 20 kt. Seas 10 ft. Rain showers.
.FRI...NE wind 20 kt. Seas 8 ft.
.FRI NIGHT...NE wind 15 kt. Seas 7 ft.
.SAT...NW wind 20 kt. Seas 6 ft.
.SUN THROUGH MON...W wind 20 kt. Seas 6 ft.

$$

PKZ177-291200-
Adak to Kiska-
330 PM AKDT Wed Apr 28 2021

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

.TONIGHT...E wind 25 kt. Seas 14 ft Pacific side, 
9 ft Bering side. Rain.
.THU...E wind 25 kt. Seas 11 ft.
.THU NIGHT...E wind 20 kt. Seas 9 ft.
.FRI...NE wind 20 kt. Seas 8 ft.
.FRI NIGHT...N wind 15 kt. Seas 7 ft.
.SAT THROUGH SUN...W wind 20 kt. Seas 5 ft.
.MON...W wind 15 kt. Seas 6 ft.

$$

PKZ178-291200-
Kiska to Attu-
330 PM AKDT Wed Apr 28 2021

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

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

$$

PKZ179-291200-
Pribilof Islands Near Shore Waters-
330 PM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE wind 25 kt. Seas 7 ft. Patchy fog.
.THU...NE wind 20 kt. Seas 7 ft. Patchy fog.
.THU NIGHT...NE wind 15 kt. Seas 5 ft. Patchy fog.
.FRI AND FRI NIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 3 ft.
.SUN THROUGH MON...W wind 20 kt. Seas 5 ft.

$$

PKZ180-291200-
Kuskokwim Delta and Etolin Strait-
330 PM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...N wind 25 kt. Seas in ice free waters 5 ft. 
Freezing spray.
.THU...N wind 25 kt. Seas in ice free waters 5 ft. 
Freezing spray in the morning. 
.THU NIGHT...N wind 20 kt. Seas in ice free waters 4 ft. 
Freezing spray before midnight.
.FRI...NW wind 15 kt. Seas in ice free waters 3 ft.
.FRI NIGHT...N wind 10 kt. Seas in ice free waters 3 ft.
.SAT...E wind 20 kt. Seas in ice free waters 2 ft.
.SUN...SE wind 15 kt. Seas in ice free waters 4 ft.
.MON...E wind 10 kt. Seas in ice free waters 4 ft.

$$

PKZ181-291200-
North and West of Nunivak Island-
330 PM AKDT Wed Apr 28 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt. Seas in ice free waters 5 ft. 
Freezing spray.
.THU...N wind 20 kt. Seas in ice free waters 5 ft. 
Freezing spray in the morning.
.THU NIGHT...NW wind 15 kt. Seas in ice free waters 4 ft. 
Freezing spray.
.FRI AND FRI NIGHT...Variable wind 10 kt. Seas in ice free 
waters 2 ft.
.SAT THROUGH SUN...NE wind 15 kt. Seas in ice free waters 2 ft.
.MON...Variable wind 10 kt. Seas in ice free waters 2 ft.

$$

PKZ185-291200-
Saint Matthew Island Waters-
330 PM AKDT Wed Apr 28 2021

.TONIGHT...NE wind 20 kt. Seas in ice free waters 6 ft. 
Freezing spray near the ice edge.
.THU...Variable wind up to 15 kt. Seas in ice free waters 6 ft.
Freezing spray near the ice edge in the morning.
.THU NIGHT AND FRI...Variable wind 10 kt. Seas in ice free 
waters 5 ft.
.FRI NIGHT...NW wind 15 kt. Seas in ice free waters 3 ft.
.SAT...NE wind 25 kt. Seas in ice free waters 5 ft.
.SUN THROUGH MON...NW wind 25 kt. Seas in ice free waters 5 ft.

$$

What forecasters said that day

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

NWS Anchorage, AK wrote its last area forecast discussion before this small craft advisory went out at Apr 26, 5:00 AM AKDT, 10 hours 33 minutes earlier.

Area forecast discussion, Apr 26, 5:00 AM AKDT, 10 hours 33 minutes before
Southcentral and Southwest Alaska Forecast Discussion
National Weather Service Anchorage AK
500 AM AKDT Mon Apr 26 2021

.ANALYSIS AND UPPER LEVELS...

Upper level ridging holds strong over the eastern portions of the
State, which is also reflected at the surface levels. Meanwhile, a
longwave trough has finally broken through, pushing onto and
across the Southwest mainland. This North Pacific low begins
moving southeast briefly before becoming almost stationary just south
of the Gulf. Its front and a series of waves move across the Gulf
through mid-week, applying pressure on the upper level ridge,
weakening it and forcing it out. This will allow more active
weather to begin makings its way back into Mainland Southcentral.
High pressure exists across the central Bering through mid-week as
well, and is sandwiched between two low pressure systems. One of
which is a polar low, whose trough extends down across Southwest
Alaska, while the other is the remnants of Typhoon Surigae. The
polar low in conjunction with the high pressure ridge will
eventually allow colder northerly upper-level flow to move across
the Bering.

&&

.MODEL DISCUSSION...

Models remain in good overall synoptic agreement through the
forecast period. Discrepancies across models for a digging trough
are low and will be non-impactful.

&&

.AVIATION...

PANC...VFR conditions and light winds will persist.

&&

.SHORT TERM FORECAST SOUTHCENTRAL ALASKA (Days 1 and 2...Mon and
Tue)...

Our blocking ridge of high pressure will hang on for a few more
days before slowly yielding to clouds and even chances for
precipitation across the southern mainland on Wed. First,
satellite clearly shows little change to the synoptic pattern from
the weekend. High pressure remains parked over the Copper River
Basin while areas of low pressure continue to pass through the
Sand Point area. Caught in between these systems is Kodiak Island
where frontal system after frontal system continue to make for
cloudy, breezy, and wet weather. The next front in the series has
slowed down some this morning, so we have trended slower with PoPs
over the island. However, we do expect rain to start there once
again by late this morning/early this afternoon. Once it returns,
expect light rain to be persistent all the way through Tue with
broad onshore flow associated with a decaying stationary front.

Over the mainland, abundant sunshine and warm temperatures are
once again in store for today. However, the area of high pressure
will be under siege from just about all directions as we head
toward the middle of the week. One of the first features to move
in will be a cold upper level wave from Canada. This shortwave
will slide north to south along the AlCan Border late Monday
leading to a slight cool down Tuesday over the Copper River Basin.
Another piece of energy will drift south from the Interior on Tue
allowing for continued deterioration of the high pressure. As it
wanes, it will open the door for some cloud cover to filter back
in late Tue. It will also create the possibility of some
southeasterly gap winds through places like the Turnagain and Knik
Arms by late Tue. Overall, the next few days will continue to
feature dry conditions with slightly more "normal" April weather
returning as we head through the week.

&&

.SHORT TERM FORECAST SOUTHWEST ALASKA (Days 1 and 2: Monday
and Tuesday)...

An upper level trough over Southwest Alaska remains sandwiched
between ridging over the eastern Interior and western Bering.
Embedded within the trough are two shortwaves, one over the AKPen
and the other over the North Pacific. The shortwave over the
AKPen will push weak pulses of energy onto the Mainland this
morning, continuing the overcast and showery pattern through
midday. By this afternoon, the shortwave over the North Pacific
will push to the south as the upper level trough amplifies. This
will pull the low over the AKPen southward as well, bringing in
much drier air from the Interior. Clearing skies overnight Monday
into Tuesday morning will drop the lows a few degrees from those
observed Monday morning. The weather on Tuesday should be mostly
clear with temperatures remaining above average.

&&

.SHORT TERM FORECAST BERING SEA/ALEUTIANS (Days 1 and 2: Monday
and Tuesday)...

Mostly calm conditions are expected throughout the region as high
pressure builds in from the west. A compact low over the AKPen
will bring rain and overcast skies to the Central and Eastern
Aleutians today. These should begin to taper off Tuesday morning
as the low gets pulled south underneath a rapidly amplifying
trough. Meanwhile, a ridge is expected to build in from the
western Bering to the north of the remnants of Typhoon Surigae.
Due to the ridge, the now extra-tropical cyclone will remain south
of the forecast area, but its front will bring gale force winds
and rain to the Western Aleutians Tuesday.

&&

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

The forecast period overall looks quiet with winds generally
below 35 kts and less than 20 ft seas for much of the Bering and
western Gulf. The only exception is the marine waters around the
southwestern Bering and the Western Aleutian Islands which are
expected to experience gale force winds Wednesday as a result
of a low pressure system to the south (former Typhoon Surigae).
Winds will gradually continue to weaken over this area Wednesday
evening and night as the low exits across the North Pacific.
Lastly, a low over the northeast Pacific will lift northward
toward the eastern Gulf Thursday through Friday. There is a
high level of uncertainty in the track and strength of this
low, so stay tuned.

&&

.Long Term Forecast (Days 4 through 7: Thursday through Sunday)...

Beginning Thursday, the stretch of nice, sunny, and dry weather
over Southcentral Alaska comes to an end to an extent. A broad
upper trough is expected to set up over the Alaska Mainland
during this time period. This means cooler temperatures, but
likely near normal for this time of year. There will also be an
increase in the potential for precipitation, though the details
of individual features is highly uncertain. Overall, expect an
increase in the amount of clouds throughout the region, with
some sun still possible - just not like it has been of late.
Meanwhile, weather across the Bering Sea and Aleutians looks
quiet as an upper ridge holds Pacific storms off to the south.

&&

.AFC WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...Gale Warning 132 138 150 170 172 173 174 175 176 179 413 414
FIRE WEATHER...NONE.

&&

SYNOPSIS AND MODEL DISCUSSION...KM
SOUTHCENTRAL ALASKA...MO
SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...CJ
MARINE/LONG TERM...MV

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 3:56 AM AKDTGale WarningAFC48 hr
Apr 26, 3:56 AM AKDTSmall Craft AdvisoryAFC4 days
Apr 26, 4:00 AM AKDTSmall Craft AdvisoryAFC48 hr
Apr 26, 3:24 PM AKDTSmall Craft AdvisoryAFC36 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.