Gale Warning 441, NWS Anchorage, AK

411 
FZAK52 PAFC 212348
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
348 PM AKDT Fri May 21 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.

PKZ199-221315-
348 PM AKDT Fri May 21 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 999 mb low 350 nm Northwest of Attu merges with a 999 mb low 
450 nm South of Kiska to form a 984 mb 40 nm North of Amchitka Sat
night. The low shifts to 80 nm Southwest of Atka at 985 mb for 
Sun afternoon. Its front wraps over the Bering and Eastern 
Aleutians by Sun afternoon.

$$

PKZ150-221315-
South of the AK Peninsula Sitkinak to Castle Cape-
348 PM AKDT Fri May 21 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 20 kt. Seas 8 ft.
.SAT...NW wind 15 kt. Seas 6 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 5 ft.
.SUN...S wind 15 kt. Seas 5 ft.
.SUN NIGHT...S wind 20 kt. Seas 4 ft.
.MON THROUGH WED...SE wind 20 kt. Seas 10 ft.

$$

PKZ155-221315-
South of the AK Peninsula Castle Cape to Cape Sarichef-
348 PM AKDT Fri May 21 2021

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...NW wind 15 kt. Seas 7 ft.
.SAT...SE wind 15 kt in the afternoon. Variable wind 10 kt in the
morning. From the Shumagin Islands E, variable 10 kt. Seas 5 ft.
.SAT NIGHT...SE wind 25 kt. From the Shumagin Islands E, variable
wind 10 kt becoming S 15 kt after midnight. Seas 5 ft.
.SUN...SE wind 30 kt. Seas 10 ft.
.SUN NIGHT...SE wind 25 kt. Seas 11 ft.
.MON...SE wind 25 kt. Seas 10 ft.
.TUE THROUGH WED...S wind 20 kt. Seas 10 ft.

$$

PKZ160-221315-
Bristol Bay-
348 PM AKDT Fri May 21 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...W wind 25 kt. Seas 7 ft.
.SAT...W wind 15 kt diminishing to 10 kt in the afternoon. Seas
4 ft. Patchy fog.
.SAT NIGHT...W wind 10 kt becoming E after midnight. Seas 3 ft.
.SUN...E wind 15 kt. Seas 4 ft.
.SUN NIGHT...E wind 20 kt. Seas 5 ft.
.MON...E wind 25 kt. Seas 6 ft.
.TUE...E wind 20 kt. Seas 5 ft.
.WED...SE wind 25 kt. Seas 7 ft.

$$

PKZ165-221315-
Port Heiden to Cape Sarichef-
348 PM AKDT Fri May 21 2021

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...NW wind 15 kt. Seas 5 ft.
.SAT...E wind 15 kt. Seas 4 ft.
.SAT NIGHT...SE wind 25 kt except E 20 kt from Port Moller E. Seas
7 ft.
.SUN AND SUN NIGHT...SE wind 30 kt. Seas 8 ft.
.MON...SE wind 30 kt. Seas 8 ft.
.TUE THROUGH WED...SE wind 20 kt. Seas 5 ft.

$$

PKZ170-221315-
Cape Sarichef to Nikolski Bering Side-
348 PM AKDT Fri May 21 2021

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...S wind 15 kt. Seas 5 ft.
.SAT...SE wind 25 kt. Seas 7 ft.
.SAT NIGHT...SE wind 35 kt. Seas 10 ft.
.SUN...SE wind 35 kt. Seas 11 ft.
.SUN NIGHT...SE wind 30 kt. Seas 9 ft.
.MON...SE wind 25 kt. Seas 7 ft.
.TUE THROUGH WED...S wind 20 kt. Seas 5 ft.

$$

PKZ171-221315-
Unalaska Bay-
348 PM AKDT Fri May 21 2021

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...Variable wind less than 10 kt becoming SE 10 kt after
midnight. Seas 3 ft.
.SAT...SE wind 20 kt. Seas 3 ft.
.SAT NIGHT...SE wind 30 kt. Seas 3 ft building to 5 ft after
midnight. Rain.
.SUN...SE wind 30 kt. Seas 5 ft.
.SUN NIGHT...SE wind 20 kt. Seas 3 ft.
.MON...SE wind 20 kt. Seas 3 ft.
.TUE THROUGH WED...S wind 15 kt. Seas 2 ft.

$$

PKZ172-221315-
Cape Sarichef to Nikolski Pacific Side-
348 PM AKDT Fri May 21 2021

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...W wind 15 kt. Seas 5 ft.
.SAT...SE wind 25 kt. Seas 5 ft.
.SAT NIGHT...SE wind 35 kt. Seas 8 ft building to 13 ft after
midnight. Rain.
.SUN...SE wind 35 kt. Seas 14 ft.
.SUN NIGHT...SE wind 25 kt. Seas 12 ft.
.MON...SE wind 25 kt. Seas 12 ft.
.TUE...S wind 20 kt. Seas 10 ft.
.WED...S wind 25 kt. Seas 8 ft.

$$

PKZ173-221315-
Nikolski to Seguam Island Bering Side-
348 PM AKDT Fri May 21 2021

...GALE WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...Variable wind 10 kt becoming S 20 kt after midnight.
Seas 4 ft.
.SAT...SE wind 30 kt increasing to 40 kt in the afternoon. Seas 6
ft building to 11 ft in the afternoon.
.SAT NIGHT...SE wind 40 kt. Seas 15 ft. Rain.
.SUN...SE wind 30 kt. Seas 11 ft.
.SUN NIGHT...SE wind 35 kt. Seas 12 ft.
.MON...SE wind 30 kt. Seas 10 ft.
.TUE THROUGH WED...S wind 20 kt. Seas 6 ft.

$$

PKZ174-221315-
Nikolski to Seguam Island Pacific Side-
348 PM AKDT Fri May 21 2021

...GALE WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...S wind 20 kt. Seas 5 ft.
.SAT...SE wind 30 kt increasing to 40 kt in the afternoon. Seas 7
ft building to 11 ft in the afternoon.
.SAT NIGHT...SE wind 40 kt. Seas 15 ft. Rain.
.SUN AND SUN NIGHT...S wind 30 kt. Seas 14 ft.
.MON...S wind 25 kt. Seas 14 ft.
.TUE...S wind 20 kt. Seas 9 ft.
.WED...SW wind 25 kt. Seas 8 ft.

$$

PKZ175-221315-
Seguam Island to Adak Bering Side-
348 PM AKDT Fri May 21 2021

...GALE WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...SE wind 25 kt. Seas 7 ft.
.SAT...SE wind 40 kt. Seas 12 ft. Rain.
.SAT NIGHT...SE wind 40 kt becoming S 25 kt after midnight. Seas
13 ft.
.SUN...SE wind 25 kt. Seas 8 ft.
.SUN NIGHT...SE wind 30 kt. Seas 10 ft.
.MON THROUGH WED...SW wind 20 kt. Seas 6 ft.

$$

PKZ176-221315-
Seguam Island to Adak Pacific Side-
348 PM AKDT Fri May 21 2021

...GALE WARNING SATURDAY AND SATURDAY NIGHT...

.TONIGHT...S wind 20 kt becoming SE 30 kt after midnight. Seas 6
ft building to 10 ft after midnight.
.SAT...SE wind 40 kt. Seas 14 ft. Rain.
.SAT NIGHT...S wind 35 kt diminishing to 25 kt after midnight.
Seas 15 ft.
.SUN...S wind 30 kt. Seas 14 ft.
.SUN NIGHT...SW wind 25 kt. Seas 15 ft.
.MON...S wind 25 kt. Seas 12 ft.
.TUE THROUGH WED...SW wind 25 kt. Seas 7 ft.

$$

PKZ177-221315-
Adak to Kiska-
348 PM AKDT Fri May 21 2021

...GALE WARNING SATURDAY...

.TONIGHT...SE wind 20 kt increasing to 30 kt after midnight. Seas
8 ft.
.SAT...SE wind 35 kt. Seas 11 ft. Rain.
.SAT NIGHT...SW wind 25 kt. Seas 9 ft Bering side... 15 ft Pacific
side.
.SUN...N wind 25 kt. Seas 14 ft.
.SUN NIGHT...NW wind 20 kt. Seas 11 ft.
.MON THROUGH TUE...SW wind 20 kt. Seas 8 ft.
.WED...SW wind 25 kt. Seas 6 ft.

$$

PKZ178-221315-
Kiska to Attu-
348 PM AKDT Fri May 21 2021

...GALE WARNING SATURDAY NIGHT...

.TONIGHT...S wind 25 kt. Seas 7 ft. Rain.
.SAT...W wind 30 kt. Seas 12 ft. Rain.
.SAT NIGHT...NW wind 35 kt. Seas 14 ft. Rain.
.SUN...NW wind 30 kt. Seas 14 ft.
.SUN NIGHT...N wind 25 kt. Seas 11 ft.
.MON THROUGH WED...W wind 20 kt. Seas 8 ft.

$$

PKZ179-221315-
Pribilof Islands Near Shore Waters-
348 PM AKDT Fri May 21 2021

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...Variable wind 10 kt. Seas 3 ft.
.SAT...SE wind 20 kt. Seas 5 ft.
.SAT NIGHT...SE wind 30 kt. Seas 10 ft.
.SUN AND SUN NIGHT...E wind 30 kt. Seas 13 ft.
.MON THROUGH TUE...E wind 25 kt. Seas 8 ft.
.WED...SE wind 20 kt. Seas 6 ft.

$$

PKZ180-221315-
Kuskokwim Delta and Etolin Strait-
348 PM AKDT Fri May 21 2021

.TONIGHT...W wind 20 kt. Seas 4 ft.
.SAT...SW wind 10 kt. Seas 3 ft. Patchy fog.
.SAT NIGHT...E wind 20 kt. Seas 3 ft.
.SUN AND SUN NIGHT...E wind 25 kt. Seas 6 ft.
.MON...E wind 20 kt. Seas 7 ft.
.TUE THROUGH WED...E wind 25 kt. Seas 6 ft.

$$

PKZ181-221315-
North and West of Nunivak Island-
348 PM AKDT Fri May 21 2021

.TONIGHT...W wind 20 kt. Seas 5 ft.
.SAT...S wind 15 kt. Seas 4 ft.
.SAT NIGHT...SE wind 20 kt. Seas 5 ft.
.SUN AND SUN NIGHT...E wind 25 kt. Seas 7 ft.
.MON...E wind 20 kt. Seas 7 ft.
.TUE THROUGH WED...E wind 25 kt. Seas 6 ft.

$$

PKZ185-221315-
Saint Matthew Island Waters-
348 PM AKDT Fri May 21 2021

...SMALL CRAFT ADVISORY SATURDAY NIGHT...

.TONIGHT...SW wind 15 kt. Seas 4 ft.
.SAT...SE wind 20 kt. Seas 6 ft.
.SAT NIGHT...E wind 25 kt. Seas 9 ft.
.SUN AND SUN NIGHT...NE wind 30 kt. Seas 13 ft.
.MON...NE wind 30 kt. Seas 12 ft.
.TUE THROUGH WED...NE wind 25 kt. Seas 8 ft.

$$

167 
FZAK52 PAFC 221108
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
308 AM AKDT Sat May 22 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.

PKZ199-230015-
308 AM AKDT Sat May 22 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 994 mb low 70 nm southeast of Shemya moves to 150 nm northwest
of Adak at 985 mb Sat afternoon and then moves to 130 nm west of
Adak at 983 mb Sun morning.

$$

PKZ150-230015-
South of the AK Peninsula Sitkinak to Castle Cape-
308 AM AKDT Sat May 22 2021

.TODAY...NW wind 15 kt. Seas 6 ft.
.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SUN...S wind 15 kt. Seas 5 ft.
.SUN NIGHT...S wind 15 kt. Seas 4 ft.
.MON THROUGH TUE...E wind 15 kt. Seas 8 ft.
.WED...S wind 15 kt. Seas 9 ft.

$$

PKZ155-230015-
South of the AK Peninsula Castle Cape to Cape Sarichef-
308 AM AKDT Sat May 22 2021

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

.TODAY...Variable wind 10 kt. Seas 5 ft.
.TONIGHT...SE wind 25 kt except S 15 kt from the Shumagin Islands
E. Seas 4 ft.
.SUN...SE wind 30 kt except SE 20 kt from the Shumagin Islands E.
Seas 7 ft building to 11 ft in the afternoon. From the Shumagin
Islands E, seas 4 ft.
.SUN NIGHT...SE wind 30 kt. Seas 11 ft.
.MON...SE wind 25 kt. Seas 10 ft.
.TUE THROUGH WED...SE wind 20 kt. Seas 9 ft.

$$

PKZ160-230015-
Bristol Bay-
308 AM AKDT Sat May 22 2021

.TODAY...W wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft. Patchy fog.
.TONIGHT...Variable wind 10 kt. Seas 2 ft.
.SUN...E wind 15 kt. Seas 2 ft.
.SUN NIGHT...SE wind 15 kt. Seas 3 ft.
.MON...SE wind 20 kt. Seas 4 ft.
.TUE THROUGH WED...SE wind 15 kt. Seas 5 ft.

$$

PKZ165-230015-
Port Heiden to Cape Sarichef-
308 AM AKDT Sat May 22 2021

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

.TODAY...E wind 15 kt except variable 10 kt from Port Moller E.
Seas 3 ft.
.TONIGHT...SE wind 20 kt increasing to 30 kt after midnight. From
Port Moller E, SE wind 20 kt. Seas 5 ft.
.SUN...SE wind 30 kt. Seas 6 ft.
.SUN NIGHT...SE wind 30 kt. Seas 6 ft.
.MON THROUGH TUE...E wind 25 kt. Seas 5 ft.
.WED...SE wind 20 kt. Seas 4 ft.

$$

PKZ170-230015-
Cape Sarichef to Nikolski Bering Side-
308 AM AKDT Sat May 22 2021

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...SE wind increasing to 25 kt. Seas 5 ft.
.TONIGHT...SE wind 40 kt. Seas 9 ft. Rain.
.SUN...SE wind 40 kt. Seas 11 ft. Rain.
.SUN NIGHT...SE wind 30 kt. Seas 9 ft.
.MON THROUGH TUE...SE wind 25 kt. Seas 7 ft.
.WED...SE wind 20 kt. Seas 5 ft.

$$

PKZ171-230015-
Unalaska Bay-
308 AM AKDT Sat May 22 2021

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

.TODAY...SE wind increasing to 20 kt. Seas 3 ft.
.TONIGHT...SE wind 30 kt. Seas 3 ft building to 5 ft after
midnight. Rain.
.SUN...SE wind 30 kt. Seas 5 ft. Rain.
.SUN NIGHT...SE wind 20 kt. Seas 3 ft.
.MON THROUGH TUE...SE wind 20 kt. Seas 3 ft.
.WED...SE wind 10 kt. Seas 1 foot.

$$

PKZ172-230015-
Cape Sarichef to Nikolski Pacific Side-
308 AM AKDT Sat May 22 2021

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...SE wind 25 kt. Seas 5 ft.
.TONIGHT...SE wind 35 kt. Seas 8 ft building to 13 ft after
midnight. Rain.
.SUN...SE wind 35 kt. Seas 14 ft. Rain.
.SUN NIGHT...SE wind 30 kt. Seas 11 ft.
.MON...SE wind 25 kt. Seas 12 ft.
.TUE...SE wind 25 kt. Seas 8 ft.
.WED...S wind 15 kt. Seas 8 ft.

$$

PKZ173-230015-
Nikolski to Seguam Island Bering Side-
308 AM AKDT Sat May 22 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE wind 25 kt increasing to 40 kt in the afternoon. Seas 6 
ft building to 11 ft in the afternoon.
.TONIGHT...SE wind 40 kt. Seas 15 ft. Rain.
.SUN...SE wind 30 kt. Seas 11 ft.
.SUN NIGHT...SE wind 30 kt. Seas 12 ft.
.MON...S wind 30 kt. Seas 11 ft.
.TUE...SE wind 20 kt. Seas 6 ft.
.WED...Variable wind 10 kt. Seas 5 ft.

$$

PKZ174-230015-
Nikolski to Seguam Island Pacific Side-
308 AM AKDT Sat May 22 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE wind 25 kt increasing to 40 kt in the afternoon. Seas 7 
ft building to 11 ft in the afternoon. Rain.
.TONIGHT...SE wind 40 kt. Seas 15 ft. Rain.
.SUN...SE wind 30 kt. Seas 13 ft.
.SUN NIGHT...S wind 30 kt. Seas 15 ft.
.MON...S wind 25 kt. Seas 14 ft.
.TUE...SE wind 20 kt. Seas 8 ft.
.WED...SW wind 15 kt. Seas 8 ft.

$$

PKZ175-230015-
Seguam Island to Adak Bering Side-
308 AM AKDT Sat May 22 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE wind 30 kt increasing to 40 kt in the afternoon. Seas
12 ft. Rain.
.TONIGHT...SE wind 40 kt diminishing to 20 kt after midnight. Seas
13 ft.
.SUN...SE wind 30 kt. Seas 8 ft. Rain showers.
.SUN NIGHT...S wind 30 kt. Seas 9 ft.
.MON THROUGH TUE...S wind 20 kt. Seas 6 ft.
.WED...S wind 15 kt. Seas 5 ft.

$$

PKZ176-230015-
Seguam Island to Adak Pacific Side-
308 AM AKDT Sat May 22 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE wind 40 kt. Seas 14 ft. Rain.
.TONIGHT...S wind 40 kt diminishing to 25 kt after midnight. Seas
15 ft.
.SUN...SE wind 30 kt. Seas 14 ft. Rain.
.SUN NIGHT...SW wind 30 kt. Seas 15 ft.
.MON...S wind 20 kt. Seas 11 ft.
.TUE...S wind 20 kt. Seas 7 ft.
.WED...S wind 15 kt. Seas 7 ft.

$$

PKZ177-230015-
Adak to Kiska-
308 AM AKDT Sat May 22 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...SE wind 30 kt. Seas 11 ft. Rain.
.TONIGHT...S wind 25 kt becoming E after midnight. Seas 9 ft
Bering side...15 ft Pacific side.
.SUN...NE wind 15 kt. Seas 8 ft Bering side...15 ft Pacific side.
.SUN NIGHT...NW wind 15 kt. Seas 11 ft.
.MON THROUGH TUE...SW wind 15 kt. Seas 8 ft.
.WED...S wind 20 kt. Seas 6 ft.

$$

PKZ178-230015-
Kiska to Attu-
308 AM AKDT Sat May 22 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TODAY...SE wind 25 kt becoming N in the afternoon. Seas 12 ft.
Rain.
.TONIGHT...N wind 30 kt. Seas 14 ft. Rain.
.SUN...NW wind 30 kt. Seas 14 ft. Rain.
.SUN NIGHT...NW wind 30 kt. Seas 11 ft.
.MON...NW wind 20 kt. Seas 9 ft.
.TUE...W wind 15 kt. Seas 7 ft.
.WED...S wind 20 kt. Seas 7 ft.

$$

PKZ179-230015-
Pribilof Islands Near Shore Waters-
308 AM AKDT Sat May 22 2021

...GALE WARNING TONIGHT AND SUNDAY...

.TODAY...SE wind 20 kt. Seas 5 ft.
.TONIGHT...E wind increasing to 35 kt. Seas 10 ft.
.SUN...E wind 35 kt. Seas 13 ft. Rain.
.SUN NIGHT...SE wind 30 kt. Seas 12 ft.
.MON THROUGH TUE...E wind 25 kt. Seas 9 ft.
.WED...SE wind 20 kt. Seas 6 ft.

$$

PKZ180-230015-
Kuskokwim Delta and Etolin Strait-
308 AM AKDT Sat May 22 2021

...SMALL CRAFT ADVISORY SUNDAY...

.TODAY...Variable wind 10 kt. Seas 3 ft. Patchy fog.
.TONIGHT...Variable wind 10 kt becoming E 20 kt after midnight. Seas
3 ft.
.SUN...SE wind 25 kt. Seas 6 ft.
.SUN NIGHT...SE wind 25 kt. Seas 6 ft.
.MON...SE wind 25 kt. Seas 7 ft.
.TUE...E wind 20 kt. Seas 6 ft.
.WED...SE wind 15 kt. Seas 6 ft.

$$

PKZ181-230015-
North and West of Nunivak Island-
308 AM AKDT Sat May 22 2021

...SMALL CRAFT ADVISORY SUNDAY...

.TODAY...S wind 10 kt. Seas 3 ft.
.TONIGHT...S wind 10 kt becoming E 20 kt after midnight. Seas 4 ft.
.SUN...E wind 25 kt. Seas 6 ft.
.SUN NIGHT...E wind 25 kt. Seas 7 ft.
.MON...SE wind 25 kt. Seas 7 ft.
.TUE THROUGH WED...SE wind 20 kt. Seas 6 ft.

$$

PKZ185-230015-
Saint Matthew Island Waters-
308 AM AKDT Sat May 22 2021

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

.TODAY...Variable wind 15 kt. Seas 5 ft.
.TONIGHT...E wind 25 kt. Seas 8 ft.
.SUN...E wind 30 kt. Seas 12 ft.
.SUN NIGHT...E wind 30 kt. Seas 13 ft.
.MON...E wind 30 kt. Seas 13 ft.
.TUE THROUGH WED...E wind 25 kt. Seas 8 ft.

$$

625 
FZAK52 PAFC 222347
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
347 PM AKDT Sat May 22 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.

PKZ199-231245-
347 PM AKDT Sat May 22 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 985 mb low 20 nm west of Amchitka moves to 80 nm Southwest of 
Atka then shifts to 195 nm North of Amchitka at 988 mb for Mon 
afternoon. Its front moves over the Bering and across the Eastern 
Aleutians through Mon afternoon.

$$

PKZ150-231245-
South of the AK Peninsula Sitkinak to Castle Cape-
347 PM AKDT Sat May 22 2021

.TONIGHT...Variable wind 10 kt. Seas 5 ft.
.SUN...S wind 15 kt. Seas 5 ft.
.SUN NIGHT...S wind 15 kt. Seas 5 ft.
.MON AND MON NIGHT...SE wind 15 kt. Seas 7 ft.
.TUE...E wind 15 kt. Seas 9 ft.
.WED THROUGH THU...S wind 15 kt. Seas 9 ft.

$$

PKZ155-231245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
347 PM AKDT Sat May 22 2021

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

.TONIGHT...SE wind 25 kt except S 15 kt from the Shumagin Islands
E. Seas 9 ft subsiding to 6 ft after midnight.
.SUN...SE wind 30 kt except SE 20 kt from the Shumagin Islands E.
Seas 7 ft building to 11 ft in the afternoon. From the Shumagin
Islands E, seas 5 ft.
.SUN NIGHT...SE wind 30 kt except SE 20 kt from the Shumagin
Islands E. Seas 12 ft except 8 ft from the Shumagin Islands E. Rain.
.MON...SE wind 25 kt. Seas 10 ft.
.MON NIGHT...SE wind 20 kt. Seas 10 ft.
.TUE THROUGH WED...SE wind 20 kt. Seas 9 ft.
.THU...SE wind 15 kt. Seas 7 ft.

$$

PKZ160-231245-
Bristol Bay-
347 PM AKDT Sat May 22 2021

.TONIGHT...W wind 10 kt becoming E after midnight. Seas 2 ft.
.SUN...E wind 15 kt. Seas 4 ft.
.SUN NIGHT...SE wind 15 kt. Seas 4 ft.
.MON AND MON NIGHT...SE wind 20 kt. Seas 5 ft.
.TUE THROUGH THU...E wind 15 kt. Seas 5 ft.

$$

PKZ165-231245-
Port Heiden to Cape Sarichef-
347 PM AKDT Sat May 22 2021

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

.TONIGHT...SE wind 20 kt increasing to 30 kt after midnight. 
From Port Moller E, SE wind 20 kt. Seas 6 ft.
.SUN...SE wind 30 kt except SE 25 kt from Port Moller E. 
Seas 8 ft.
.SUN NIGHT...SE wind 30 kt. Seas 8 ft.
.MON AND MON NIGHT...SE wind 25 kt. Seas 7 ft.
.TUE...E wind 25 kt. Seas 7 ft.
.WED...SE wind 20 kt. Seas 5 ft.
.THU...E wind 15 kt. Seas 4 ft.

$$

PKZ170-231245-
Cape Sarichef to Nikolski Bering Side-
347 PM AKDT Sat May 22 2021

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...SE wind 40 kt. Seas 7 ft building to 11 ft after midnight.
Rain.
.SUN...SE wind 40 kt. Seas 11 ft. Rain.
.SUN NIGHT...SE wind 30 kt. Seas 9 ft.
.MON AND MON NIGHT...SE wind 25 kt. Seas 8 ft.
.TUE...SE wind 25 kt. Seas 8 ft.
.WED THROUGH THU...SE wind 20 kt. Seas 5 ft.

$$

PKZ171-231245-
Unalaska Bay-
347 PM AKDT Sat May 22 2021

...SMALL CRAFT ADVISORY THROUGH SUNDAY...

.TONIGHT...SE wind 30 kt. Seas 3 ft building to 5 ft after
midnight. Rain.
.SUN...SE wind 30 kt. Seas 5 ft. Rain.
.SUN NIGHT...SE wind 20 kt. Seas 3 ft.
.MON AND MON NIGHT...SE wind 20 kt. Seas 3 ft.
.TUE...SE wind 20 kt. Seas 2 ft.
.WED THROUGH THU...SE wind 10 kt. Seas 2 ft.

$$

PKZ172-231245-
Cape Sarichef to Nikolski Pacific Side-
347 PM AKDT Sat May 22 2021

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...SE wind 35 kt. Seas 8 ft building to 13 ft after
midnight. Rain.
.SUN...SE wind 35 kt. Seas 14 ft. Rain.
.SUN NIGHT...SE wind 30 kt. Seas 11 ft.
.MON...SE wind 25 kt. Seas 12 ft.
.MON NIGHT...SE wind 20 kt. Seas 10 ft.
.TUE...SE wind 25 kt. Seas 8 ft.
.WED THROUGH THU...SE wind 15 kt. Seas 8 ft.

$$

PKZ173-231245-
Nikolski to Seguam Island Bering Side-
347 PM AKDT Sat May 22 2021

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 40 kt. Seas 15 ft. Rain.
.SUN...SE wind 30 kt. Seas 11 ft.
.SUN NIGHT...SE wind 30 kt. Seas 12 ft. Rain.
.MON...SE wind 30 kt. Seas 11 ft.
.MON NIGHT...S wind 25 kt. Seas 6 ft.
.TUE...SE wind 20 kt. Seas 6 ft.
.WED...Variable wind 10 kt. Seas 5 ft.
.THU...SE wind 20 kt. Seas 7 ft.

$$

PKZ174-231245-
Nikolski to Seguam Island Pacific Side-
347 PM AKDT Sat May 22 2021

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 40 kt. Seas 15 ft. Rain.
.SUN...SE wind 30 kt. Seas 13 ft.
.SUN NIGHT...S wind 30 kt. Seas 15 ft. Rain.
.MON...S wind 25 kt. Seas 14 ft.
.MON NIGHT...S wind 20 kt. Seas 9 ft.
.TUE...SE wind 20 kt. Seas 8 ft.
.WED...SW wind 15 kt. Seas 8 ft.
.THU...SE wind 20 kt. Seas 7 ft.

$$

PKZ175-231245-
Seguam Island to Adak Bering Side-
347 PM AKDT Sat May 22 2021

...GALE WARNING TONIGHT...

.TONIGHT...SE wind 40 kt diminishing to 30 kt after midnight. 
Seas 13 ft.
.SUN...SE wind 30 kt. Seas 8 ft. Rain showers.
.SUN NIGHT...SE wind 30 kt. Seas 9 ft. Rain showers.
.MON...S wind 15 kt. Seas 7 ft.
.MON NIGHT...S wind 20 kt. Seas 5 ft.
.TUE...S wind 20 kt. Seas 5 ft.
.WED...S wind 15 kt. Seas 5 ft.
.THU...SE wind 20 kt. Seas 7 ft.

$$

PKZ176-231245-
Seguam Island to Adak Pacific Side-
347 PM AKDT Sat May 22 2021

...GALE WARNING TONIGHT...

.TONIGHT...S wind 40 kt diminishing to 25 kt after midnight. Seas
15 ft.
.SUN...SE wind 30 kt. Seas 14 ft. Rain.
.SUN NIGHT...SW wind 30 kt diminishing to 20 kt after midnight.
Seas 15 ft.
.MON...SW wind 20 kt. Seas 11 ft.
.MON NIGHT...S wind 15 kt. Seas 8 ft.
.TUE...S wind 20 kt. Seas 7 ft.
.WED...S wind 15 kt. Seas 7 ft.
.THU...SE wind 20 kt. Seas 9 ft.

$$

PKZ177-231245-
Adak to Kiska-
347 PM AKDT Sat May 22 2021

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

.TONIGHT...S wind 25 kt becoming E after midnight. Seas 9 ft
Bering side...15 ft Pac side.
.SUN...NE wind 15 kt. Seas 8 ft Bering side...15 ft Pac side.
.SUN NIGHT...NW wind 15 kt. Seas 11 ft.
.MON AND MON NIGHT...SW wind 15 kt. Seas 8 ft.
.TUE...SW wind 15 kt. Seas 6 ft.
.WED THROUGH THU...SE wind 20 kt. Seas 8 ft.

$$

PKZ178-231245-
Kiska to Attu-
347 PM AKDT Sat May 22 2021

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

.TONIGHT...N wind 30 kt. Seas 14 ft. Rain.
.SUN...NW wind 30 kt. Seas 14 ft. Rain.
.SUN NIGHT...NW wind 30 kt. Seas 11 ft.
.MON...NW wind 20 kt. Seas 9 ft.
.MON NIGHT...NW wind 15 kt. Seas 7 ft.
.TUE...W wind 15 kt. Seas 7 ft.
.WED...S wind 20 kt. Seas 7 ft.
.THU...NW wind 25 kt. Seas 9 ft.

$$

PKZ179-231245-
Pribilof Islands Near Shore Waters-
347 PM AKDT Sat May 22 2021

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...E wind 35 kt. Seas 7 ft building to 12 ft after midnight.
.SUN...E wind 35 kt. Seas 13 ft. Rain.
.SUN NIGHT...SE wind 30 kt. Seas 12 ft.
.MON AND MON NIGHT...SE wind 25 kt. Seas 10 ft.
.TUE...E wind 25 kt. Seas 8 ft.
.WED...SE wind 20 kt. Seas 6 ft.
.THU...E wind 15 kt. Seas 4 ft.

$$

PKZ180-231245-
Kuskokwim Delta and Etolin Strait-
347 PM AKDT Sat May 22 2021

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

.TONIGHT...E wind 20 kt. Seas 5 ft.
.SUN...E wind 25 kt. Seas 7 ft.
.SUN NIGHT...SE wind 25 kt. Seas 7 ft.
.MON AND MON NIGHT...SE wind 25 kt. Seas 7 ft.
.TUE...E wind 20 kt. Seas 6 ft.
.WED THROUGH THU...E wind 15 kt. Seas 5 ft.

$$

PKZ181-231245-
North and West of Nunivak Island-
347 PM AKDT Sat May 22 2021

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

.TONIGHT...E wind 20 kt. Seas 4 ft.
.SUN...E wind 25 kt. Seas 6 ft.
.SUN NIGHT...E wind 25 kt. Seas 7 ft.
.MON AND MON NIGHT...SE wind 25 kt. Seas 7 ft.
.TUE THROUGH WED...SE wind 20 kt. Seas 6 ft.
.THU...E wind 15 kt. Seas 3 ft.

$$

PKZ185-231245-
Saint Matthew Island Waters-
347 PM AKDT Sat May 22 2021

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

.TONIGHT...E wind 25 kt. Seas 8 ft.
.SUN...E wind 30 kt. Seas 12 ft.
.SUN NIGHT...E wind 30 kt. Seas 13 ft. Rain.
.MON...E wind 30 kt. Seas 13 ft.
.MON NIGHT...E wind 25 kt. Seas 10 ft.
.TUE THROUGH WED...E wind 25 kt. Seas 8 ft.
.THU...E wind 20 kt. Seas 6 ft.

$$

282 
FZAK52 PAFC 231140
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
340 AM AKDT Sun May 23 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.

PKZ199-240100-
340 AM AKDT Sun May 23 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 982 mb low 130 nm west of Adak moves to 50 nm south of Adak at 
986 mb Sun afternoon and then moves to 110 nm north of Adak at 
987 mb Mon morning.

$$

PKZ150-240100-
South of the AK Peninsula Sitkinak to Castle Cape-
340 AM AKDT Sun May 23 2021

.TODAY...S wind 15 kt. Seas 4 ft.
.TONIGHT...S wind 15 kt. Seas 4 ft.
.MON...S wind 15 kt except variable less than 10 kt E of Chirikof
Island. Seas 6 ft.
.MON NIGHT...SE wind 15 kt. Seas 6 ft.
.TUE...SE wind 20 kt. Seas 6 ft.
.WED THROUGH THU...SE wind 15 kt. Seas 6 ft.

$$

PKZ155-240100-
South of the AK Peninsula Castle Cape to Cape Sarichef-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SE wind 30 kt except 20 kt from the Shumagin Islands E. 
Seas 10 ft.
.TONIGHT...SE wind 30 kt except 20 kt from the Shumagin Islands E. 
Seas 12 ft. Rain.
.MON...SE wind 25 kt. Seas 10 ft. Rain.
.MON NIGHT...SE wind 20 kt. Seas 10 ft.
.TUE...E wind 25 kt. Seas 9 ft.
.WED...SE wind 20 kt. Seas 8 ft.
.THU...SE wind 15 kt. Seas 6 ft.

$$

PKZ160-240100-
Bristol Bay-
340 AM AKDT Sun May 23 2021

.TODAY...E wind 15 kt. Seas 4 ft.
.TONIGHT...SE wind 15 kt. Seas 4 ft.
.MON...SE wind 15 kt. Seas 4 ft.
.MON NIGHT...SE wind 20 kt. Seas 4 ft.
.TUE THROUGH WED...SE wind 10 kt. Seas 4 ft.
.THU...SE wind 15 kt. Seas 4 ft.

$$

PKZ165-240100-
Port Heiden to Cape Sarichef-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SE wind 30 kt. Seas 9 ft.
.TONIGHT...SE wind 30 kt. Seas 9 ft.
.MON...SE wind 25 kt. Seas 8 ft.
.MON NIGHT...SE wind 25 kt. Seas 7 ft.
.TUE THROUGH WED...SE wind 25 kt. Seas 7 ft.
.THU...SE wind 15 kt. Seas 4 ft.

$$

PKZ170-240100-
Cape Sarichef to Nikolski Bering Side-
340 AM AKDT Sun May 23 2021

...GALE WARNING TODAY...

.TODAY...SE wind 40 kt. Seas 13 ft. Rain.
.TONIGHT...SE wind 30 kt. Seas 10 ft.
.MON...SE wind 25 kt. Seas 9 ft.
.MON NIGHT...SE wind 25 kt. Seas 8 ft.
.TUE...SE wind 30 kt. Seas 11 ft.
.WED...S wind 25 kt. Seas 8 ft.
.THU...SE wind 15 kt. Seas 4 ft.

$$

PKZ171-240100-
Unalaska Bay-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...SE wind 30 kt. Seas 5 ft. Rain.
.TONIGHT...SE wind 20 kt. Seas 3 ft.
.MON...SE wind 20 kt. Seas 3 ft.
.MON NIGHT...SE wind 20 kt. Seas 3 ft.
.TUE...SE wind 25 kt. Seas 4 ft.
.WED THROUGH THU...SE wind 10 kt. Seas 2 ft.

$$

PKZ172-240100-
Cape Sarichef to Nikolski Pacific Side-
340 AM AKDT Sun May 23 2021

...GALE WARNING TODAY...

.TODAY...SE wind 35 kt. Seas 14 ft. Rain.
.TONIGHT...SE wind 30 kt. Seas 11 ft.
.MON...SE wind 25 kt. Seas 11 ft.
.MON NIGHT...SE wind 20 kt. Seas 9 ft.
.TUE...SE wind 30 kt. Seas 10 ft.
.WED...S wind 20 kt. Seas 8 ft.
.THU...S wind 15 kt. Seas 6 ft.

$$

PKZ173-240100-
Nikolski to Seguam Island Bering Side-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SE wind 30 kt. Seas 12 ft.
.TONIGHT...SE wind 30 kt. Seas 13 ft. Rain.
.MON...SE wind 30 kt. Seas 11 ft.
.MON NIGHT...S wind 25 kt. Seas 7 ft.
.TUE...SE wind 30 kt. Seas 10 ft.
.WED THROUGH THU...S wind 15 kt. Seas 6 ft.

$$

PKZ174-240100-
Nikolski to Seguam Island Pacific Side-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SE wind 30 kt. Seas 14 ft.
.TONIGHT...S wind 30 kt. Seas 15 ft. Rain.
.MON...S wind 25 kt. Seas 13 ft.
.MON NIGHT...S wind 20 kt. Seas 8 ft.
.TUE...S wind 30 kt. Seas 12 ft.
.WED THROUGH THU...S wind 15 kt. Seas 7 ft.

$$

PKZ175-240100-
Seguam Island to Adak Bering Side-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SE wind 30 kt. Seas 10 ft. Rain showers.
.TONIGHT...SE wind 30 kt. Seas 10 ft. Rain showers.
.MON...S wind 15 kt. Seas 7 ft.
.MON NIGHT...S wind 20 kt. Seas 6 ft.
.TUE...S wind 20 kt. Seas 6 ft.
.WED THROUGH THU...S wind 15 kt. Seas 6 ft.

$$

PKZ176-240100-
Seguam Island to Adak Pacific Side-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...SE wind 30 kt. Seas 14 ft. Rain.
.TONIGHT...SW wind 30 kt diminishing to 20 kt after midnight. Seas
14 ft.
.MON...SW wind 20 kt. Seas 9 ft.
.MON NIGHT...S wind 20 kt. Seas 8 ft.
.TUE...SW wind 25 kt. Seas 7 ft.
.WED...S wind 15 kt. Seas 7 ft.
.THU...S wind 20 kt. Seas 8 ft.

$$

PKZ177-240100-
Adak to Kiska-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NE wind 15 kt. Seas 10 ft.
.TONIGHT...NW wind 15 kt. Seas 9 ft.
.MON...W wind 15 kt. Seas 8 ft.
.MON NIGHT...SW wind 15 kt. Seas 6 ft.
.TUE...SW wind 15 kt. Seas 5 ft.
.WED...S wind 15 kt. Seas 6 ft.
.THU...SW wind 20 kt. Seas 9 ft.

$$

PKZ178-240100-
Kiska to Attu-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...NW wind 30 kt. Seas 14 ft. Rain.
.TONIGHT...NW wind 30 kt diminishing to 20 kt after midnight. Seas 
11 ft.
.MON...Variable wind 15 kt. Seas 9 ft.
.MON NIGHT...NW wind 15 kt. Seas 7 ft.
.TUE...W wind 15 kt. Seas 6 ft.
.WED...SE wind 15 kt. Seas 5 ft.
.THU...W wind 25 kt. Seas 8 ft.

$$

PKZ179-240100-
Pribilof Islands Near Shore Waters-
340 AM AKDT Sun May 23 2021

...GALE WARNING TODAY...

.TODAY...E wind 35 kt. Seas 14 ft. Rain.
.TONIGHT...SE wind 30 kt. Seas 12 ft.
.MON...SE wind 25 kt. Seas 10 ft.
.MON NIGHT...SE wind 25 kt. Seas 9 ft.
.TUE...SE wind 30 kt. Seas 10 ft.
.WED...SE wind 25 kt. Seas 9 ft.
.THU...SE wind 15 kt. Seas 5 ft.

$$

PKZ180-240100-
Kuskokwim Delta and Etolin Strait-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...E wind 25 kt. Seas 7 ft.
.TONIGHT...SE wind 25 kt. Seas 7 ft.
.MON...SE wind 25 kt. Seas 8 ft.
.MON NIGHT...SE wind 25 kt. Seas 8 ft.
.TUE THROUGH WED...SE wind 20 kt. Seas 6 ft.
.THU...SE wind 15 kt. Seas 5 ft.

$$

PKZ181-240100-
North and West of Nunivak Island-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...E wind 25 kt. Seas 7 ft.
.TONIGHT...E wind 25 kt. Seas 8 ft.
.MON...E wind 25 kt. Seas 9 ft.
.MON NIGHT...SE wind 25 kt. Seas 8 ft.
.TUE THROUGH WED...SE wind 20 kt. Seas 6 ft.
.THU...E wind 15 kt. Seas 5 ft.

$$

PKZ185-240100-
Saint Matthew Island Waters-
340 AM AKDT Sun May 23 2021

...SMALL CRAFT ADVISORY THROUGH MONDAY...

.TODAY...E wind 30 kt. Seas 12 ft.
.TONIGHT...E wind 30 kt. Seas 13 ft. Rain.
.MON...E wind 30 kt. Seas 13 ft.
.MON NIGHT...E wind 25 kt. Seas 11 ft.
.TUE THROUGH WED...E wind 25 kt. Seas 9 ft.
.THU...NE wind 20 kt. Seas 7 ft.

$$