Alert archive / Alaska / Gale Warnings in 2021

Gale Warning 434, NWS Anchorage, AK

May 18, 2021

NWS Anchorage, AK issued this gale warning at May 18, 2021, 3:42 AM AKDT. It was in force for 60 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 18, 2021, 3:42 AM AKDT (11:42 UTC)
Expired: May 20, 2021, 3:59 PM AKDT
In force: 60 hr
Issued by: NWS Anchorage, AK

The text

As transmitted.

393 
FZAK52 PAFC 181142
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
342 AM AKDT Tue May 18 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.

PKZ199-190100-
342 AM AKDT Tue May 18 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 1006 mb North Pacific low moves to 235 nm south of Dutch Harbor 
at 997 mb Tue night. The low continues to 300 nm southeast of
Dutch Harbor at 988 mb Wed night. Its front moves over the 
Aleutians and Alaska Peninsula from Midday Tue through Wed 
afternoon. Another 1003 mb low extends a front into the Western 
Bering Wed afternoon through Wed night.

$$

PKZ150-190100-
South of the AK Peninsula Sitkinak to Castle Cape-
342 AM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY...

.TODAY...W wind 15 kt. Seas 4 ft.
.TONIGHT...S wind 20 kt becoming SE 30 kt after midnight. Seas 7
ft.
.WED...E wind 35 kt. Seas 11 ft. Rain.
.WED NIGHT...E wind 30 kt. Seas 10 ft.
.THU...SE wind 25 kt. Seas 9 ft.
.FRI...E wind 15 kt. Seas 10 ft.
.SAT...NW wind 15 kt. Seas 8 ft.

$$

PKZ155-190100-
South of the AK Peninsula Castle Cape to Cape Sarichef-
342 AM AKDT Tue May 18 2021

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...E wind 20 kt increasing to 30 kt in the afternoon. From
the Shumagin Islands E, variable wind 10 kt becoming SE 20 kt in the
afternoon. Seas 6 ft.
.TONIGHT...E wind 35 kt. Seas 12 ft. Rain.
.WED...E wind 35 kt. Seas 10 ft. Rain.
.WED NIGHT...E wind 25 kt. Seas 8 ft.
.THU...E wind 15 kt. Seas 7 ft.
.FRI...NW wind 15 kt. Seas 8 ft.
.SAT...SW wind 15 kt. Seas 8 ft.

$$

PKZ160-190100-
Bristol Bay-
342 AM AKDT Tue May 18 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...W wind 15 kt diminishing to 10 kt in the afternoon. Seas
2 ft. Patchy fog.
.TONIGHT...SW wind 10 kt becoming E after midnight. Seas 2 ft.
.WED...E wind 30 kt. Seas 3 ft building to 6 ft in the afternoon.
.WED NIGHT...E wind 30 kt. Seas 6 ft.
.THU...E wind 25 kt. Seas 7 ft.
.FRI...N wind 15 kt. Seas 3 ft.
.SAT...W wind 10 kt. Seas 3 ft.

$$

PKZ165-190100-
Port Heiden to Cape Sarichef-
342 AM AKDT Tue May 18 2021

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

.TODAY...NE wind 20 kt. Seas 2 ft.
.TONIGHT...E wind 30 kt except E 20 kt from Port Moller E. Seas
5 ft.
.WED...E wind 30 kt. Seas 8 ft. Rain.
.WED NIGHT...NE wind 30 kt. Seas 8 ft.
.THU...NE wind 25 kt. Seas 8 ft.
.FRI...NW wind 20 kt. Seas 6 ft.
.SAT...SW wind 15 kt. Seas 7 ft.

$$

PKZ170-190100-
Cape Sarichef to Nikolski Bering Side-
342 AM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY...

.TODAY...E wind 25 kt. Seas 4 ft.
.TONIGHT...NE wind 30 kt. Seas 7 ft.
.WED...NE wind 35 kt. Seas 10 ft. Rain.
.WED NIGHT...N wind 35 kt. Seas 10 ft.
.THU...NW wind 30 kt. Seas 10 ft.
.FRI...NW wind 25 kt. Seas 9 ft.
.SAT...S wind 20 kt. Seas 8 ft.

$$

PKZ171-190100-
Unalaska Bay-
342 AM AKDT Tue May 18 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TODAY...E wind 20 kt. Seas 3 ft.
.TONIGHT...E wind 25 kt. Seas 4 ft. Rain.
.WED...NE wind 20 kt. Seas 5 ft. Rain.
.WED NIGHT...N wind 15 kt. Seas 5 ft.
.THU...NW wind 25 kt. Seas 7 ft.
.FRI...NW wind 20 kt. Seas 5 ft.
.SAT...S wind 10 kt. Seas 2 ft.

$$

PKZ172-190100-
Cape Sarichef to Nikolski Pacific Side-
342 AM AKDT Tue May 18 2021

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...E wind 30 kt. Seas 10 ft.
.TONIGHT...NE wind 35 kt. Seas 11 ft. Rain.
.WED...NE wind 35 kt. Seas 11 ft. Rain.
.WED NIGHT...NE wind 30 kt. Seas 8 ft.
.THU...NW wind 30 kt. Seas 8 ft.
.FRI...NW wind 25 kt. Seas 9 ft.
.SAT...S wind 20 kt. Seas 7 ft.

$$

PKZ173-190100-
Nikolski to Seguam Island Bering Side-
342 AM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY...

.TODAY...NE wind 20 kt. Seas 5 ft.
.TONIGHT...NE wind 25 kt. Seas 7 ft.
.WED...N wind 35 kt. Seas 11 ft. Rain.
.WED NIGHT...N wind 35 kt. Seas 11 ft.
.THU...NW wind 35 kt. Seas 11 ft.
.FRI...W wind 20 kt. Seas 10 ft.
.SAT...SE wind 20 kt. Seas 7 ft.

$$

PKZ174-190100-
Nikolski to Seguam Island Pacific Side-
342 AM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY...

.TODAY...NE wind 30 kt. Seas 10 ft.
.TONIGHT...NE wind 30 kt. Seas 10 ft.
.WED...N wind 35 kt. Seas 12 ft. Rain.
.WED NIGHT...N wind 40 kt. Seas 14 ft.
.THU...NW wind 35 kt. Seas 12 ft.
.FRI...W wind 25 kt. Seas 10 ft.
.SAT...SE wind 20 kt. Seas 6 ft.

$$

PKZ175-190100-
Seguam Island to Adak Bering Side-
342 AM AKDT Tue May 18 2021

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

.TODAY...NE wind 15 kt. Seas 4 ft.
.TONIGHT...N wind 25 kt. Seas 6 ft.
.WED...N wind 30 kt. Seas 8 ft.
.WED NIGHT...NW wind 30 kt. Seas 9 ft.
.THU...W wind 25 kt. Seas 9 ft.
.FRI...S wind 15 kt. Seas 10 ft.
.SAT...SE wind 20 kt. Seas 7 ft.

$$

PKZ176-190100-
Seguam Island to Adak Pacific Side-
342 AM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY...

.TODAY...NE wind 25 kt. Seas 8 ft.
.TONIGHT...N wind 25 kt. Seas 8 ft.
.WED...N wind 35 kt. Seas 10 ft.
.WED NIGHT...NW wind 35 kt. Seas 11 ft.
.THU...NW wind 30 kt. Seas 10 ft.
.FRI...S wind 15 kt. Seas 8 ft.
.SAT...SE wind 20 kt. Seas 7 ft.

$$

PKZ177-190100-
Adak to Kiska-
342 AM AKDT Tue May 18 2021

.TODAY...NE wind 15 kt. Seas 6 ft.
.TONIGHT...N wind 20 kt. Seas 5 ft.
.WED...NW wind 20 kt. Seas 5 ft.
.WED NIGHT...W wind 20 kt. Seas 6 ft.
.THU...W wind 20 kt. Seas 9 ft.
.FRI...S wind 15 kt. Seas 9 ft.
.SAT...S wind 20 kt. Seas 6 ft.

$$

PKZ178-190100-
Kiska to Attu-
342 AM AKDT Tue May 18 2021

.TODAY...S wind 15 kt. Seas 6 ft.
.TONIGHT...W wind 15 kt. Seas 5 ft.
.WED...SW wind 20 kt. Seas 7 ft.
.WED NIGHT...SW wind 25 kt. Seas 9 ft.
.THU...W wind 20 kt. Seas 9 ft.
.FRI...SE wind 20 kt. Seas 9 ft.
.SAT...SW wind 20 kt. Seas 8 ft.

$$

PKZ179-190100-
Pribilof Islands Near Shore Waters-
342 AM AKDT Tue May 18 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...E wind 15 kt. Seas 2 ft.
.TONIGHT...E wind 20 kt. Seas 5 ft.
.WED...NE wind 25 kt. Seas 7 ft.
.WED NIGHT...N wind 30 kt. Seas 8 ft.
.THU...N wind 25 kt. Seas 9 ft.
.FRI...W wind 15 kt. Seas 5 ft.
.SAT...SE wind 20 kt. Seas 6 ft.

$$

PKZ180-190100-
Kuskokwim Delta and Etolin Strait-
342 AM AKDT Tue May 18 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...NW wind 10 kt. Seas 2 ft.
.TONIGHT...N wind 10 kt becoming NE 20 kt after midnight. Seas 3
ft.
.WED...NE wind 30 kt. Seas 6 ft.
.WED NIGHT...NE wind 30 kt. Seas 8 ft.
.THU...NE wind 25 kt. Seas 8 ft.
.FRI...NW wind 15 kt. Seas 4 ft.
.SAT...SW wind 15 kt. Seas 4 ft.

$$

PKZ181-190100-
North and West of Nunivak Island-
342 AM AKDT Tue May 18 2021

.TODAY...Variable wind 10 kt. Seas 2 ft.
.TONIGHT...NE wind 15 kt. Seas 2 ft.
.WED...NE wind 20 kt. Seas 4 ft. 
.WED NIGHT...N wind 25 kt. Seas 5 ft.
.THU...N wind 20 kt. Seas 6 ft.
.FRI...W wind 15 kt. Seas 3 ft.
.SAT...SE wind 20 kt. Seas 5 ft.

$$

PKZ185-190100-
Saint Matthew Island Waters-
342 AM AKDT Tue May 18 2021

.TODAY...Variable wind 10 kt. Seas 4 ft.
.TONIGHT...Variable wind 10 kt. Seas 4 ft.
.WED...NE wind 20 kt E of Saint Matthew Island... variable 10 kt W
of Saint Matthew Island. Seas 4 ft.
.WED NIGHT...E wind 20 kt. Seas 4 ft.
.THU...NE wind 25 kt. Seas 5 ft.
.FRI...SW wind 20 kt. Seas 6 ft.
.SAT...SE wind 20 kt. Seas 7 ft.

$$

5 follow-up statements

359 
FZAK52 PAFC 182358
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
358 PM AKDT Tue May 18 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.

PKZ199-191245-
358 PM AKDT Tue May 18 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 1001 mb low 280 nm south of Dutch Harbor moves to 335 nm south of 
Dutch harbor at 987 mb Thu morning then shifts to 140 nm south of 
Sand Point at 990 mb by Thu afternoon. Its front moves over the 
Eastern Aleutians and Alaska Peninsula through Thu afternoon. A 1001 
mb Kamchatka low extends a front across the Western Bering for Thu 
afternoon.

$$

PKZ150-191245-
South of the AK Peninsula Sitkinak to Castle Cape-
358 PM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY...

.TONIGHT...S wind 20 kt becoming SE 30 kt after midnight. Seas 4
ft building to 8 ft after midnight.
.WED...E wind 35 kt. Seas 12 ft. Rain.
.WED NIGHT...SE wind 25 kt. Seas 10 ft. Rain.
.THU...SE wind 25 kt. Seas 9 ft.
.THU NIGHT...S wind 20 kt. Seas 10 ft.
.FRI THROUGH SAT...NW wind 15 kt. Seas 10 ft.
.SUN...Variable wind 10 kt. Seas 6 ft.

$$

PKZ155-191245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
358 PM AKDT Tue May 18 2021

...GALE WARNING THROUGH WEDNESDAY...

.TONIGHT...E wind 35 kt. Seas 12 ft. Rain.
.WED...E wind 35 kt diminishing to 25 kt in the afternoon. Seas
11 ft. Rain.
.WED NIGHT...E wind 20 kt. Seas 8 ft. Rain.
.THU...E wind 15 kt. Seas 7 ft.
.THU NIGHT...W wind 20 kt. Seas 9 ft.
.FRI...NW wind 25 kt. Seas 9 ft.
.SAT...SW wind 15 kt. Seas 8 ft.
.SUN...S wind 15 kt. Seas 6 ft.

$$

PKZ160-191245-
Bristol Bay-
358 PM AKDT Tue May 18 2021

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

.TONIGHT...SW wind 10 kt becoming E after midnight. Seas 4 ft.
Patchy fog.
.WED...E wind 30 kt. Seas 7 ft. Patchy fog.
.WED NIGHT...E wind 30 kt. Seas 6 ft. Rain.
.THU...E wind 30 kt. Seas 7 ft.
.THU NIGHT...E wind 20 kt. Seas 5 ft.
.FRI...W wind 20 kt. Seas 6 ft.
.SAT...W wind 10 kt. Seas 3 ft.
.SUN...S wind 15 kt. Seas 3 ft.

$$

PKZ165-191245-
Port Heiden to Cape Sarichef-
358 PM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY...

.TONIGHT...E wind 30 kt except E 20 kt from Port Moller E. Seas 4 ft
early building to 8 ft.
.WED...NE wind 35 kt. Seas 10 ft. Rain.
.WED NIGHT...NE wind 30 kt. Seas 9 ft. Rain.
.THU...NE wind 25 kt. Seas 7 ft.
.THU NIGHT...N wind 25 kt. Seas 6 ft.
.FRI...NW wind 25 kt. Seas 7 ft.
.SAT...SW wind 15 kt. Seas 7 ft.
.SUN...SE wind 15 kt. Seas 5 ft.

$$

PKZ170-191245-
Cape Sarichef to Nikolski Bering Side-
358 PM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...NE wind 30 kt. Seas 9 ft.
.WED...NE wind 35 kt. Seas 12 ft. Rain.
.WED NIGHT...N wind 35 kt. Seas 12 ft. Rain.
.THU...N wind 35 kt. Seas 12 ft.
.THU NIGHT...NW wind 30 kt. Seas 11 ft.
.FRI...W wind 25 kt. Seas 9 ft.
.SAT THROUGH SUN...SE wind 20 kt. Seas 8 ft.

$$

PKZ171-191245-
Unalaska Bay-
358 PM AKDT Tue May 18 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...E wind 25 kt. Gusts to 35 kt. Seas 4 ft. Rain.
.WED...NE wind 20 kt. Seas 6 ft. Rain.
.WED NIGHT...N wind 20 kt. Seas 5 ft. Rain.
.THU AND THU NIGHT...NW wind 25 kt. Seas 9 ft.
.FRI...W wind 25 kt. Seas 4 ft.
.SAT...S wind 10 kt. Seas 2 ft.
.SUN...SE wind 15 kt. Seas 2 ft.

$$

PKZ172-191245-
Cape Sarichef to Nikolski Pacific Side-
358 PM AKDT Tue May 18 2021

...GALE WARNING THROUGH WEDNESDAY...

.TONIGHT...NE wind 35 kt. Seas 12 ft. Rain.
.WED...NE wind 35 kt. Seas 11 ft. Rain.
.WED NIGHT...NE wind 30 kt. Seas 8 ft. Rain.
.THU AND THU NIGHT...NW wind 30 kt. Seas 10 ft.
.FRI...W wind 25 kt. Seas 9 ft.
.SAT THROUGH SUN...SE wind 20 kt. Seas 9 ft.

$$

PKZ173-191245-
Nikolski to Seguam Island Bering Side-
358 PM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...NE wind 30 kt. Seas 9 ft.
.WED...N wind 35 kt. Seas 12 ft. Rain.
.WED NIGHT...N wind 35 kt. Seas 13 ft.
.THU...NW wind 35 kt. Seas 13 ft.
.THU NIGHT...NW wind 25 kt. Seas 11 ft.
.FRI...W wind 20 kt. Seas 8 ft.
.SAT THROUGH SUN...SE wind 20 kt. Seas 9 ft.

$$

PKZ174-191245-
Nikolski to Seguam Island Pacific Side-
358 PM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...NE wind 30 kt. Seas 11 ft.
.WED...N wind 30 kt increasing to 40 kt in the afternoon. Seas
12 ft. Rain.
.WED NIGHT...N wind 40 kt. Seas 14 ft. Rain.
.THU...NW wind 40 kt. Seas 14 ft.
.THU NIGHT...NW wind 30 kt. Seas 11 ft.
.FRI...W wind 25 kt. Seas 8 ft.
.SAT...SE wind 20 kt. Seas 6 ft.
.SUN...SE wind 20 kt. Seas 12 ft.

$$

PKZ175-191245-
Seguam Island to Adak Bering Side-
358 PM AKDT Tue May 18 2021

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

.TONIGHT...N wind 25 kt. Seas 7 ft.
.WED...N wind 30 kt. Seas 10 ft.
.WED NIGHT...N wind 30 kt. Seas 11 ft.
.THU...NW wind 25 kt. Seas 10 ft.
.THU NIGHT...W wind 20 kt. Seas 7 ft.
.FRI...SW wind 20 kt. Seas 7 ft.
.SAT...SE wind 20 kt. Seas 7 ft.
.SUN...S wind 15 kt. Seas 7 ft.

$$

PKZ176-191245-
Seguam Island to Adak Pacific Side-
358 PM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...N wind 25 kt. Seas 9 ft.
.WED...N wind 35 kt. Seas 11 ft.
.WED NIGHT...NW wind 35 kt. Seas 11 ft.
.THU...NW wind 35 kt. Seas 11 ft.
.THU NIGHT...W wind 20 kt. Seas 8 ft.
.FRI...SW wind 15 kt. Seas 6 ft.
.SAT THROUGH SUN...S wind 20 kt. Seas 8 ft.

$$

PKZ177-191245-
Adak to Kiska-
358 PM AKDT Tue May 18 2021

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

.TONIGHT...N wind 20 kt. Seas 6 ft.
.WED...NW wind 25 kt. Seas 6 ft.
.WED NIGHT...W wind 25 kt diminishing to 15 kt after midnight.
Seas 6 ft.
.THU AND THU NIGHT...W wind 20 kt. Seas 7 ft.
.FRI THROUGH SUN...S wind 20 kt. Seas 8 ft.

$$

PKZ178-191245-
Kiska to Attu-
358 PM AKDT Tue May 18 2021

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

.TONIGHT...W wind to 20 kt. Seas 6 ft.
.WED...SW wind 25 kt. Seas 8 ft.
.WED NIGHT...W wind 25 kt. Seas 9 ft.
.THU...W wind 25 kt. Seas 9 ft.
.THU NIGHT...SW wind 15 kt. Seas 7 ft.
.FRI...SE wind 25 kt. Seas 6 ft.
.SAT THROUGH SUN...SW wind 20 kt. Seas 9 ft.

$$

PKZ179-191245-
Pribilof Islands Near Shore Waters-
358 PM AKDT Tue May 18 2021

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

.TONIGHT...E wind increasing to 20 kt. Seas 3 ft in the evening
building to 7 ft.
.WED...NE wind 25 kt. Seas 8 ft.
.WED NIGHT...N wind 30 kt. Seas 9 ft.
.THU...N wind 25 kt. Seas 9 ft.
.THU NIGHT...NW wind 20 kt. Seas 7 ft.
.FRI...W wind 25 kt. Seas 6 ft.
.SAT THROUGH SUN...SE wind 20 kt. Seas 7 ft.

$$

PKZ180-191245-
Kuskokwim Delta and Etolin Strait-
358 PM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...Variable wind 10 kt in the evening becoming NE 20 kt. 
Seas 4 ft.
.WED...NE wind 25 kt increasing to 35 kt in the afternoon. Seas
7 ft.
.WED NIGHT...NE wind 35 kt. Seas 8 ft. Rain.
.THU...NE wind 30 kt. Seas 8 ft.
.THU NIGHT...N wind 20 kt. Seas 6 ft.
.FRI...NW wind 20 kt. Seas 7 ft.
.SAT...SW wind 15 kt. Seas 4 ft.
.SUN...SE wind 20 kt. Seas 4 ft.

$$

PKZ181-191245-
North and West of Nunivak Island-
358 PM AKDT Tue May 18 2021

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

.TONIGHT...NE wind 15 kt. Seas 4 ft.
.WED...NE wind 25 kt. Seas 5 ft. Freezing spray in the morning.
.WED NIGHT...N wind 25 kt. Seas 6 ft.
.THU...N wind 25 kt. Seas 6 ft.
.THU NIGHT...N wind 15 kt. Seas 4 ft.
.FRI...NW wind 20 kt. Seas 4 ft.
.SAT THROUGH SUN...SE wind 20 kt. Seas 5 ft.

$$

PKZ185-191245-
Saint Matthew Island Waters-
358 PM AKDT Tue May 18 2021

...SMALL CRAFT ADVISORY WEDNESDAY NIGHT...

.TONIGHT...SE wind 15 kt. Seas 5 ft.
.WED...E wind 20 kt. Seas 5 ft.
.WED NIGHT...NE wind 25 kt E of Saint Matthew Island...E 20 kt W
of Saint Matthew Island. Seas 5 ft.
.THU...E wind 25 kt. Seas 6 ft.
.THU NIGHT...N wind 20 kt. Seas 7 ft.
.FRI...NW wind 20 kt. Seas 7 ft.
.SAT THROUGH SUN...SE wind 20 kt. Seas 7 ft.

$$

288 
FZAK52 PAFC 191131
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
331 AM AKDT Wed May 19 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.

PKZ199-200100-
331 AM AKDT Wed May 19 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 996 mb low 200 nm south of Dutch Harbor moves to 280 nm south 
of Dutch Harbor at 986 mb Wed night. The low continues to 175 nm
southeast of Chignik at 994 mb Thu night. Another 1005 mb low to 
the west of the Bering Sea extends a front through the Western 
Aleutians and western Bering through Thu evening.

$$

PKZ150-200100-
South of the AK Peninsula Sitkinak to Castle Cape-
331 AM AKDT Wed May 19 2021

...GALE WARNING TODAY...

.TODAY...E wind 35 kt. Seas 12 ft. Rain.
.TONIGHT...E wind 30 kt. Seas 10 ft. Rain.
.THU...E wind 25 kt. Seas 10 ft. Rain.
.THU NIGHT...SE wind 20 kt. Seas 9 ft.
.FRI...W wind 15 kt. Seas 11 ft.
.SAT...W wind 15 kt. Seas 7 ft.
.SUN...SW wind 15 kt. Seas 5 ft.

$$

PKZ155-200100-
South of the AK Peninsula Castle Cape to Cape Sarichef-
331 AM AKDT Wed May 19 2021

...GALE WARNING TODAY...

.TODAY...E wind 35 kt diminishing to 25 kt in the afternoon. Seas
11 ft. Rain.
.TONIGHT...E wind 20 kt. Seas 8 ft. Rain.
.THU...E wind 20 kt. Seas 8 ft. Rain.
.THU NIGHT...W wind 25 kt. Seas 8 ft.
.FRI...NW wind 25 kt. Seas 9 ft.
.SAT...SW wind 20 kt. Seas 6 ft.
.SUN...SE wind 25 kt. Seas 8 ft.

$$

PKZ160-200100-
Bristol Bay-
331 AM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...E wind 30 kt. Seas 6 ft. Patchy fog.
.TONIGHT...E wind 30 kt. Seas 6 ft. Rain.
.THU...E wind 30 kt. Seas 6 ft. Rain.
.THU NIGHT...E wind 25 kt. Seas 4 ft.
.FRI...W wind 20 kt. Seas 6 ft.
.SAT...SW wind 10 kt. Seas 5 ft.
.SUN...SE wind 15 kt. Seas 3 ft.

$$

PKZ165-200100-
Port Heiden to Cape Sarichef-
331 AM AKDT Wed May 19 2021

...GALE WARNING TODAY...

.TODAY...NE wind 35 kt. Seas 9 ft. Rain.
.TONIGHT...NE wind 30 kt. Seas 9 ft. Rain.
.THU...NE wind 25 kt. Seas 7 ft. Rain.
.THU NIGHT...N wind 25 kt. Seas 7 ft.
.FRI...W wind 25 kt. Seas 7 ft.
.SAT...S wind 20 kt. Seas 5 ft.
.SUN...SE wind 25 kt. Seas 6 ft.

$$

PKZ170-200100-
Cape Sarichef to Nikolski Bering Side-
331 AM AKDT Wed May 19 2021

...GALE WARNING THROUGH THURSDAY...

.TODAY...NE wind 35 kt. Seas 10 ft. Rain.
.TONIGHT...N wind 35 kt. Seas 13 ft. Rain.
.THU...N wind 35 kt. Seas 13 ft. Rain.
.THU NIGHT...NW wind 30 kt. Seas 11 ft.
.FRI...W wind 25 kt. Seas 7 ft.
.SAT THROUGH SUN...SE wind 30 kt. Seas 8 ft.

$$

PKZ171-200100-
Unalaska Bay-
331 AM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY THURSDAY...

.TODAY...NE wind 20 kt. Seas 6 ft. Rain.
.TONIGHT...N wind 20 kt. Seas 5 ft. Rain.
.THU...NW wind 25 kt. Seas 9 ft. Rain.
.THU NIGHT...NW wind 30 kt. Seas 10 ft.
.FRI...W wind 20 kt. Seas 3 ft.
.SAT THROUGH SUN...SE wind 20 kt. Seas 3 ft.

$$

PKZ172-200100-
Cape Sarichef to Nikolski Pacific Side-
331 AM AKDT Wed May 19 2021

...GALE WARNING TODAY AND THURSDAY...

.TODAY...NE wind 35 kt. Seas 11 ft. Rain.
.TONIGHT...NE wind 30 kt. Seas 8 ft. Rain.
.THU...NW wind 35 kt. Seas 8 ft. Rain.
.THU NIGHT...NW wind 35 kt. Seas 10 ft.
.FRI...W wind 30 kt. Seas 8 ft.
.SAT THROUGH SUN...SE wind 30 kt. Seas 10 ft.

$$

PKZ173-200100-
Nikolski to Seguam Island Bering Side-
331 AM AKDT Wed May 19 2021

...GALE WARNING THROUGH THURSDAY...

.TODAY...N wind 35 kt. Seas 11 ft. Rain.
.TONIGHT...N wind 35 kt. Seas 13 ft.
.THU...NW wind 35 kt. Seas 13 ft.
.THU NIGHT...NW wind 30 kt. Seas 10 ft.
.FRI...SW wind 20 kt. Seas 6 ft.
.SAT THROUGH SUN...SE wind 30 kt. Seas 11 ft.

$$

PKZ174-200100-
Nikolski to Seguam Island Pacific Side-
331 AM AKDT Wed May 19 2021

...GALE WARNING THROUGH THURSDAY...

.TODAY...N wind 30 kt increasing to 40 kt in the afternoon. Seas
12 ft. Rain.
.TONIGHT...N wind 40 kt. Seas 14 ft. Rain.
.THU...NW wind 40 kt. Seas 15 ft.
.THU NIGHT...NW wind 30 kt. Seas 11 ft.
.FRI...W wind 20 kt. Seas 7 ft.
.SAT THROUGH SUN...S wind 30 kt. Seas 13 ft.

$$

PKZ175-200100-
Seguam Island to Adak Bering Side-
331 AM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...N wind 30 kt. Seas 8 ft.
.TONIGHT...N wind 30 kt. Seas 11 ft.
.THU...NW wind 30 kt. Seas 10 ft.
.THU NIGHT...W wind 20 kt. Seas 8 ft.
.FRI...S wind 20 kt. Seas 6 ft.
.SAT...SE wind 30 kt. Seas 10 ft.
.SUN...S wind 20 kt. Seas 8 ft.

$$

PKZ176-200100-
Seguam Island to Adak Pacific Side-
331 AM AKDT Wed May 19 2021

...GALE WARNING THROUGH THURSDAY...

.TODAY...N wind 35 kt. Seas 10 ft.
.TONIGHT...NW wind 35 kt. Seas 11 ft.
.THU...NW wind 35 kt. Seas 10 ft.
.THU NIGHT...W wind 25 kt. Seas 8 ft.
.FRI...S wind 20 kt. Seas 6 ft.
.SAT...SE wind 30 kt. Seas 12 ft.
.SUN...S wind 25 kt. Seas 12 ft.

$$

PKZ177-200100-
Adak to Kiska-
331 AM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas 6 ft.
.TONIGHT...W wind 25 kt. Seas 6 ft.
.THU...W wind 20 kt. Seas 6 ft.
.THU NIGHT...W wind 20 kt. Seas 6 ft.
.FRI THROUGH SAT...S wind 25 kt. Seas 9 ft.
.SUN...SW wind 25 kt. Seas 12 ft.

$$

PKZ178-200100-
Kiska to Attu-
331 AM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...SW wind 25 kt. Seas 8 ft.
.TONIGHT...W wind 25 kt. Seas 9 ft.
.THU...W wind 25 kt. Seas 8 ft.
.THU NIGHT...SW wind 15 kt. Seas 7 ft.
.FRI...SE wind 25 kt. Seas 9 ft.
.SAT...SW wind 30 kt. Seas 12 ft.
.SUN...W wind 30 kt. Seas 12 ft.

$$

PKZ179-200100-
Pribilof Islands Near Shore Waters-
331 AM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

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

$$

PKZ180-200100-
Kuskokwim Delta and Etolin Strait-
331 AM AKDT Wed May 19 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...NE wind 25 kt increasing to 35 kt in the afternoon. Seas
4 ft building to 8 ft in the afternoon.
.TONIGHT...NE wind 35 kt. Seas 8 ft. Rain.
.THU...NE wind 30 kt. Seas 8 ft. Rain.
.THU NIGHT...N wind 25 kt. Seas 6 ft.
.FRI...W wind 20 kt. Seas 7 ft.
.SAT...S wind 15 kt. Seas 5 ft.
.SUN...SE wind 25 kt. Seas 6 ft.

$$

PKZ181-200100-
North and West of Nunivak Island-
331 AM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TODAY...NE wind 25 kt. Seas 5 ft. Freezing spray in the morning.
.TONIGHT...N wind 30 kt. Seas 6 ft.
.THU...N wind 25 kt. Seas 6 ft.
.THU NIGHT...N wind 15 kt. Seas 3 ft.
.FRI...NW wind 20 kt. Seas 4 ft.
.SAT...SE wind 20 kt. Seas 4 ft.
.SUN...E wind 25 kt. Seas 6 ft.

$$

PKZ185-200100-
Saint Matthew Island Waters-
331 AM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TODAY...E wind 20 kt. Seas 4 ft.
.TONIGHT...NE wind 25 kt E of Saint Matthew Island...E 15 kt W of
Saint Matthew Island. Seas 5 ft.
.THU...NE wind 20 kt. Seas 5 ft.
.THU NIGHT...NW wind 20 kt. Seas 5 ft.
.FRI...NW wind 20 kt. Seas 7 ft.
.SAT THROUGH SUN...E wind 25 kt. Seas 7 ft.

$$

311 
FZAK52 PAFC 192356
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
356 PM AKDT Wed May 19 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.

PKZ199-201245-
356 PM AKDT Wed May 19 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 996 mb low 243 nm south of Dutch Harbor moves to 267 nm
southeast of Sand Point by Thu night. Another 1004 mb low southwest
of the Bering Sea will gradually shift eastward bringing a front 
through the Western Aleutians and western Bering Thu evening.

$$

PKZ150-201245-
South of the AK Peninsula Sitkinak to Castle Cape-
356 PM AKDT Wed May 19 2021

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

.TONIGHT...SE wind 25 kt. Seas 10 ft. Rain.
.THU...E wind 25 kt. Seas 10 ft. Rain.
.THU NIGHT...S wind 20 kt. Seas 9 ft. Rain.
.FRI...Variable wind 10 kt. Seas 10 ft.
.FRI NIGHT...NW wind 20 kt. Seas 8 ft.
.SAT...W wind 20 kt. Seas 7 ft.
.SUN...SW wind 15 kt. Seas 5 ft.
.MON...SE wind 20 kt. Seas 6 ft.

$$

PKZ155-201245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
356 PM AKDT Wed May 19 2021

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

.TONIGHT...SE wind 20 kt. Seas 8 ft. Rain.
.THU...NE wind 20 kt. Seas 8 ft. Rain.
.THU NIGHT...NW wind 25 kt. From the Shumagin Islands E, S wind
20 kt in the evening becoming variable 10 kt. Seas 8 ft. Rain.
.FRI...NW wind 25 kt. Seas 8 ft.
.FRI NIGHT...NW wind 20 kt. Seas 8 ft.
.SAT...SW wind 20 kt. Seas 6 ft.
.SUN THROUGH MON...SE wind 25 kt. Seas 9 ft.

$$

PKZ160-201245-
Bristol Bay-
356 PM AKDT Wed May 19 2021

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

.TONIGHT...E wind 30 kt. Seas 6 ft. Rain.
.THU...E wind 25 kt. Seas 6 ft. Rain.
.THU NIGHT...NE wind 25 kt. Seas 4 ft. Rain.
.FRI...S wind 15 kt. Seas 4 ft.
.FRI NIGHT...W wind 20 kt. Seas 7 ft.
.SAT...SW wind 15 kt. Seas 5 ft.
.SUN...SE wind 15 kt. Seas 3 ft.
.MON...E wind 20 kt. Seas 2 ft.

$$

PKZ165-201245-
Port Heiden to Cape Sarichef-
356 PM AKDT Wed May 19 2021

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

.TONIGHT...NE wind 30 kt. Seas 9 ft. Rain.
.THU...NE wind 25 kt. Seas 7 ft.
.THU NIGHT...N wind 25 kt except N 20 kt from Port Moller E. Seas
8 ft. Rain.
.FRI...NW wind 25 kt. Seas 7 ft.
.FRI NIGHT...W wind 20 kt. Seas 7 ft.
.SAT...S wind 20 kt. Seas 5 ft.
.SUN THROUGH MON...E wind 25 kt. Seas 6 ft.

$$

PKZ170-201245-
Cape Sarichef to Nikolski Bering Side-
356 PM AKDT Wed May 19 2021

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...N wind 35 kt. Seas 13 ft. Rain.
.THU...N wind 35 kt. Seas 13 ft. Rain.
.THU NIGHT...NW wind 30 kt. Seas 11 ft.
.FRI...NW wind 25 kt. Seas 8 ft.
.FRI NIGHT...W wind 20 kt. Seas 5 ft.
.SAT THROUGH SUN...SE wind 30 kt. Seas 8 ft.
.MON...SE wind 25 kt. Seas 7 ft.

$$

PKZ171-201245-
Unalaska Bay-
356 PM AKDT Wed May 19 2021

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

.TONIGHT...N wind 20 kt. Seas 7 ft. Rain.
.THU...NW wind 25 kt. Seas 9 ft. Rain.
.THU NIGHT...NW wind 30 kt. Seas 11 ft. Rain.
.FRI...W wind 20 kt. Seas 3 ft.
.FRI NIGHT...W wind 15 kt. Seas 2 ft.
.SAT THROUGH SUN...SE wind 20 kt. Seas 3 ft.
.MON...E wind 15 kt. Seas 2 ft.

$$

PKZ172-201245-
Cape Sarichef to Nikolski Pacific Side-
356 PM AKDT Wed May 19 2021

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

.TONIGHT...NE wind 30 kt. Seas 8 ft. Rain.
.THU...N wind 30 kt. Seas 8 ft.
.THU NIGHT...NW wind 30 kt. Seas 10 ft.
.FRI...NW wind 30 kt. Seas 9 ft.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT THROUGH SUN...SE wind 30 kt. Seas 10 ft.
.MON...SE wind 25 kt. Seas 13 ft.

$$

PKZ173-201245-
Nikolski to Seguam Island Bering Side-
356 PM AKDT Wed May 19 2021

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...N wind 35 kt. Seas 13 ft.
.THU...NW wind 35 kt. Seas 13 ft.
.THU NIGHT...NW wind 25 kt. Seas 10 ft.
.FRI...NW wind 20 kt. Seas 7 ft.
.FRI NIGHT...S wind 15 kt. Seas 5 ft.
.SAT THROUGH SUN...SE wind 30 kt. Seas 11 ft.
.MON...S wind 15 kt. Seas 9 ft.

$$

PKZ174-201245-
Nikolski to Seguam Island Pacific Side-
356 PM AKDT Wed May 19 2021

...GALE WARNING THROUGH THURSDAY...

.TONIGHT...N wind 40 kt. Seas 14 ft. Rain.
.THU...NW wind 40 kt. Seas 15 ft.
.THU NIGHT...NW wind 30 kt. Seas 11 ft.
.FRI...NW wind 20 kt. Seas 7 ft.
.FRI NIGHT...S wind 15 kt. Seas 5 ft.
.SAT THROUGH SUN...S wind 30 kt. Seas 13 ft.
.MON...SW wind 20 kt. Seas 11 ft.

$$

PKZ175-201245-
Seguam Island to Adak Bering Side-
356 PM AKDT Wed May 19 2021

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

.TONIGHT...N wind 30 kt. Seas 10 ft.
.THU...NW wind 30 kt. Seas 10 ft.
.THU NIGHT...W wind 20 kt. Seas 8 ft.
.FRI...W wind 15 kt. Seas 5 ft.
.FRI NIGHT...S wind 20 kt. Seas 5 ft.
.SAT...SE wind 30 kt. Seas 10 ft.
.SUN...S wind 20 kt. Seas 8 ft.
.MON...SW wind 20 kt. Seas 7 ft.

$$

PKZ176-201245-
Seguam Island to Adak Pacific Side-
356 PM AKDT Wed May 19 2021

...GALE WARNING TONIGHT...

.TONIGHT...NW wind 35 kt. Seas 11 ft.
.THU...NW wind 30 kt. Seas 10 ft.
.THU NIGHT...W wind 20 kt. Seas 8 ft.
.FRI...W wind 15 kt. Seas 5 ft.
.FRI NIGHT...S wind 20 kt. Seas 5 ft.
.SAT...S wind 30 kt. Seas 12 ft.
.SUN...S wind 25 kt. Seas 12 ft.
.MON...SW wind 20 kt. Seas 10 ft.

$$

PKZ177-201245-
Adak to Kiska-
356 PM AKDT Wed May 19 2021

.TONIGHT...W wind 20 kt. Seas 6 ft.
.THU...W wind 15 kt. Seas 6 ft.
.THU NIGHT...W wind 15 kt. Seas 6 ft.
.FRI...S wind 15 kt. Seas 5 ft.
.FRI NIGHT...SE wind 25 kt. Seas 7 ft.
.SAT THROUGH SUN...SW wind 25 kt. Seas 11 ft.
.MON...W wind 25 kt. Seas 9 ft.

$$

PKZ178-201245-
Kiska to Attu-
356 PM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...W wind 25 kt. Seas 8 ft.
.THU...W wind 25 kt. Seas 8 ft.
.THU NIGHT...W wind 15 kt. Seas 7 ft.
.FRI...S wind 20 kt. Seas 6 ft.
.FRI NIGHT...S wind 25 kt. Seas 8 ft.
.SAT THROUGH MON...W wind 30 kt. Seas 12 ft.

$$

PKZ179-201245-
Pribilof Islands Near Shore Waters-
356 PM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

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

$$

PKZ180-201245-
Kuskokwim Delta and Etolin Strait-
356 PM AKDT Wed May 19 2021

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

.TONIGHT...NE wind 30 kt. Seas 8 ft. Rain.
.THU...NE wind 25 kt. Seas 7 ft. Rain.
.THU NIGHT...N wind 25 kt diminishing to 15 kt after midnight.
Seas 6 ft. Rain.
.FRI AND FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT...S wind 15 kt. Seas 4 ft.
.SUN THROUGH MON...E wind 25 kt. Seas 6 ft.

$$

PKZ181-201245-
North and West of Nunivak Island-
356 PM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 30 kt. Seas 6 ft.
.THU...N wind 20 kt. Seas 6 ft.
.THU NIGHT...N wind 15 kt. Seas 3 ft.
.FRI AND FRI NIGHT...W wind 20 kt. Seas 4 ft.
.SAT...S wind 20 kt. Seas 4 ft.
.SUN THROUGH MON...E wind 25 kt. Seas 6 ft.

$$

PKZ185-201245-
Saint Matthew Island Waters-
356 PM AKDT Wed May 19 2021

...SMALL CRAFT ADVISORY THROUGH THURSDAY...

.TONIGHT...NE wind 25 kt E of Saint Matthew Island...E 15 kt W of
Saint Matthew Island. Seas 4 ft.
.THU...E of Saint Matthew Island, N wind 25 kt diminishing to 15
kt in the afternoon. W of Saint Matthew Island, SE wind 25 kt. Seas 
5 ft.
.THU NIGHT...W wind 20 kt. Seas 5 ft.
.FRI...W wind 20 kt. Seas 6 ft.
.FRI NIGHT...SW wind 20 kt. Seas 5 ft.
.SAT THROUGH SUN...E wind 25 kt. Seas 7 ft.
.MON...NE wind 20 kt. Seas 8 ft.

$$

999 
FZAK52 PAFC 201144
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
344 AM AKDT Thu May 20 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.

PKZ199-210100-
344 AM AKDT Thu May 20 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 986 mb low 245 nm southeast of Dutch Harbor moves to 230 nm east
of Chignik at 1001 mb Fri afternoon and then exits to the Gulf. A
998 mb low at 370 nm northwest of Attu Island Fri morning moves 
to 35 nm northwest of Shemya Fri night which will begin to phase
with another 1000 mb low moving north over the North Pacific. 

$$

PKZ150-210100-
South of the AK Peninsula Sitkinak to Castle Cape-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...E wind 25 kt. Seas 10 ft. Rain.
.TONIGHT...S wind 20 kt. Seas 9 ft. Rain.
.FRI...Variable wind 10 kt. Seas 10 ft.
.FRI NIGHT...NW wind 20 kt. Seas 8 ft.
.SAT...W wind 20 kt. Seas 7 ft.
.SUN...S wind 15 kt. Seas 5 ft.
.MON...SE wind 25 kt. Seas 7 ft.

$$

PKZ155-210100-
South of the AK Peninsula Castle Cape to Cape Sarichef-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...NE wind 20 kt. Seas 8 ft. Rain.
.TONIGHT...NW wind 25 kt. From the Shumagin Islands E, S wind 20
kt in the evening becoming variable 10 kt. Seas 8 ft. Rain.
.FRI...NW wind 25 kt except W 20 kt from the Shumagin Islands E.
Seas 8 ft.
.FRI NIGHT...NW wind 20 kt. Seas 8 ft.
.SAT...SW wind 20 kt. Seas 6 ft.
.SUN THROUGH MON...SE wind 25 kt. Seas 10 ft.

$$

PKZ160-210100-
Bristol Bay-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...E wind 25 kt. Seas 6 ft. Rain.
.TONIGHT...NE wind 25 kt. Seas 4 ft. Rain.
.FRI...SE wind 15 kt becoming W in the afternoon. Seas 4 ft.
.FRI NIGHT...W wind 20 kt. Seas 7 ft.
.SAT...SW wind 15 kt. Seas 5 ft.
.SUN...E wind 15 kt. Seas 3 ft.
.MON...E wind 20 kt. Seas 3 ft.

$$

PKZ165-210100-
Port Heiden to Cape Sarichef-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...NE wind 25 kt. Seas 7 ft.
.TONIGHT...N wind 25 kt except N 20 kt from Port Moller E. Seas
8 ft. Rain.
.FRI...W wind 25 kt. Seas 7 ft.
.FRI NIGHT...W wind 20 kt. Seas 7 ft.
.SAT...S wind 20 kt. Seas 5 ft.
.SUN THROUGH MON...E wind 25 kt. Seas 6 ft.

$$

PKZ170-210100-
Cape Sarichef to Nikolski Bering Side-
344 AM AKDT Thu May 20 2021

...GALE WARNING TODAY...

.TODAY...N wind 35 kt. Seas 13 ft. Rain.
.TONIGHT...NW wind 30 kt. Seas 11 ft.
.FRI...NW wind 25 kt. Seas 8 ft.
.FRI NIGHT...W wind 20 kt. Seas 5 ft.
.SAT THROUGH SUN...SE wind 30 kt. Seas 9 ft.
.MON...E wind 25 kt. Seas 8 ft.

$$

PKZ171-210100-
Unalaska Bay-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 25 kt. Seas 9 ft. Rain.
.TONIGHT...NW wind 30 kt. Seas 11 ft. Rain.
.FRI...W wind 20 kt. Seas 3 ft.
.FRI NIGHT...W wind 15 kt. Seas 2 ft.
.SAT THROUGH SUN...SE wind 20 kt. Seas 3 ft.
.MON...E wind 15 kt. Seas 2 ft.

$$

PKZ172-210100-
Cape Sarichef to Nikolski Pacific Side-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TODAY...N wind 30 kt. Seas 8 ft.
.TONIGHT...NW wind 30 kt. Seas 10 ft.
.FRI...NW wind 30 kt. Seas 9 ft.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT THROUGH SUN...SE wind 30 kt. Seas 10 ft.
.MON...SE wind 20 kt. Seas 10 ft.

$$

PKZ173-210100-
Nikolski to Seguam Island Bering Side-
344 AM AKDT Thu May 20 2021

...GALE WARNING TODAY...

.TODAY...NW wind 35 kt. Seas 13 ft.
.TONIGHT...NW wind 25 kt. Seas 10 ft.
.FRI...NW wind 20 kt. Seas 7 ft.
.FRI NIGHT...S wind 15 kt. Seas 5 ft.
.SAT THROUGH SUN...SE wind 30 kt. Seas 10 ft.
.MON...SE wind 20 kt. Seas 8 ft.

$$

PKZ174-210100-
Nikolski to Seguam Island Pacific Side-
344 AM AKDT Thu May 20 2021

...GALE WARNING TODAY...

.TODAY...NW wind 40 kt. Seas 15 ft.
.TONIGHT...NW wind 30 kt. Seas 11 ft.
.FRI...NW wind 20 kt. Seas 7 ft.
.FRI NIGHT...S wind 15 kt. Seas 5 ft.
.SAT THROUGH SUN...SE wind 30 kt. Seas 11 ft.
.MON...S wind 20 kt. Seas 9 ft.

$$

PKZ175-210100-
Seguam Island to Adak Bering Side-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 30 kt. Seas 10 ft.
.TONIGHT...W wind 20 kt. Seas 8 ft.
.FRI...W wind 15 kt. Seas 5 ft.
.FRI NIGHT...S wind 20 kt. Seas 5 ft.
.SAT...SE wind 30 kt. Seas 10 ft.
.SUN...SE wind 20 kt. Seas 7 ft.
.MON...NW wind 15 kt. Seas 7 ft.

$$

PKZ176-210100-
Seguam Island to Adak Pacific Side-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 30 kt. Seas 10 ft.
.TONIGHT...W wind 20 kt. Seas 8 ft.
.FRI...W wind 15 kt. Seas 5 ft.
.FRI NIGHT...S wind 20 kt. Seas 5 ft.
.SAT...S wind 30 kt. Seas 12 ft.
.SUN...S wind 20 kt. Seas 10 ft.
.MON...SW wind 20 kt. Seas 10 ft.

$$

PKZ177-210100-
Adak to Kiska-
344 AM AKDT Thu May 20 2021

.TODAY...W wind 15 kt. Seas 6 ft.
.TONIGHT...W wind 15 kt. Seas 6 ft.
.FRI...S wind 15 kt. Seas 5 ft.
.FRI NIGHT...SE wind 25 kt. Seas 7 ft.
.SAT...S wind 25 kt. Seas 11 ft.
.SUN THROUGH MON...W wind 25 kt. Seas 11 ft.

$$

PKZ178-210100-
Kiska to Attu-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...W wind 25 kt. Seas 8 ft.
.TONIGHT...W wind 15 kt. Seas 7 ft.
.FRI...S wind 20 kt. Seas 6 ft.
.FRI NIGHT...S wind 25 kt. Seas 8 ft.
.SAT...SW wind 30 kt. Seas 15 ft.
.SUN...W wind 30 kt. Seas 15 ft.
.MON...NW wind 25 kt. Seas 11 ft.

$$

PKZ179-210100-
Pribilof Islands Near Shore Waters-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 30 kt. Seas 9 ft.
.TONIGHT...NW wind 20 kt. Seas 7 ft.
.FRI...NW wind 20 kt. Seas 6 ft.
.FRI NIGHT...W wind 15 kt. Seas 5 ft.
.SAT THROUGH MON...E wind 25 kt. Seas 9 ft.

$$

PKZ180-210100-
Kuskokwim Delta and Etolin Strait-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NE wind 25 kt. Seas 7 ft. Rain.
.TONIGHT...N wind 25 kt diminishing to 15 kt after midnight. Seas
6 ft. Rain.
.FRI...NW wind 20 kt. Seas 6 ft.
.FRI NIGHT...W wind 20 kt. Seas 6 ft.
.SAT...S wind 20 kt. Seas 4 ft.
.SUN THROUGH MON...E wind 25 kt. Seas 7 ft.

$$

PKZ181-210100-
North and West of Nunivak Island-
344 AM AKDT Thu May 20 2021

.TODAY...N wind 20 kt. Seas 6 ft.
.TONIGHT...N wind 15 kt. Seas 3 ft.
.FRI...NW wind 20 kt. Seas 4 ft.
.FRI NIGHT...W wind 20 kt. Seas 4 ft.
.SAT...S wind 20 kt. Seas 4 ft.
.SUN THROUGH MON...E wind 25 kt. Seas 8 ft.

$$

PKZ185-210100-
Saint Matthew Island Waters-
344 AM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...E of Saint Matthew Island, N wind 25 kt diminishing to
15 kt in the afternoon. W of Saint Matthew Island, SE wind 25 kt.
Seas 5 ft.
.TONIGHT...W wind 20 kt. Seas 5 ft.
.FRI...NW wind 20 kt. Seas 6 ft.
.FRI NIGHT...SW wind 20 kt. Seas 5 ft.
.SAT THROUGH SUN...NE wind 30 kt. Seas 11 ft.
.MON...NE wind 25 kt. Seas 9 ft.

$$

478 
FZAK52 PAFC 202359
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
359 PM AKDT Thu May 20 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.

PKZ199-211245-
359 PM AKDT Thu May 20 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 992 mb low 75 nm southeast of Chignik moves into the 
southwestern Gulf Fri afternoon. A 988 low 100 nm west of Attu
Island Fri evening moves to 125 nm west of Adak at 986 mb Sat 
afternoon.

$$

PKZ150-211245-
South of the AK Peninsula Sitkinak to Castle Cape-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT...

.TONIGHT...S wind 20 kt. Seas 9 ft. Rain.
.FRI...Variable wind 10 kt. Seas 9 ft.
.FRI NIGHT...NW wind 20 kt. Seas 8 ft.
.SAT...NW wind 20 kt. Seas 7 ft.
.SAT NIGHT...Variable wind 10 kt. Seas 5 ft.
.SUN...S wind 15 kt. Seas 4 ft.
.MON...SE wind 25 kt. Seas 7 ft.
.TUE...SE wind 20 kt. Seas 9 ft.

$$

PKZ155-211245-
South of the AK Peninsula Castle Cape to Cape Sarichef-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY NIGHT...

.TONIGHT...NW wind 25 kt. From the Shumagin Islands E, S wind 20
kt in the evening becoming variable 10 kt. Seas 8 ft. Rain.
.FRI...NW wind 25 kt except W 20 kt from the Shumagin Islands E.
Seas 8 ft.
.FRI NIGHT...NW wind 20 kt. Seas 8 ft.
.SAT...W wind 15 kt. Seas 7 ft.
.SAT NIGHT...S wind 20 kt. Seas 4 ft.
.SUN THROUGH MON...SE wind 25 kt. Seas 10 ft.
.TUE...S wind 15 kt. Seas 11 ft.

$$

PKZ160-211245-
Bristol Bay-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE wind 25 kt. Seas 4 ft. Rain.
.FRI...SE wind 15 kt becoming W in the afternoon. Seas 2 ft.
.FRI NIGHT...W wind 20 kt. Seas 4 ft.
.SAT...W wind 15 kt. Seas 4 ft.
.SAT NIGHT...W wind 10 kt. Seas 2 ft.
.SUN...E wind 15 kt. Seas 3 ft.
.MON THROUGH TUE...E wind 20 kt. Seas 4 ft.

$$

PKZ165-211245-
Port Heiden to Cape Sarichef-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TONIGHT...N wind 25 kt except N 20 kt from Port Moller E. Seas
8 ft. Rain.
.FRI...W wind 25 kt. Seas 7 ft.
.FRI NIGHT...NW wind 20 kt. Seas 6 ft.
.SAT...SW wind 15 kt. Seas 4 ft.
.SAT NIGHT...E wind 20 kt. Seas 4 ft.
.SUN THROUGH MON...E wind 25 kt. Seas 6 ft.
.TUE...SE wind 20 kt. Seas 6 ft.

$$

PKZ170-211245-
Cape Sarichef to Nikolski Bering Side-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TONIGHT...NW wind 30 kt. Seas 11 ft.
.FRI...NW wind 25 kt. Seas 8 ft.
.FRI NIGHT...W wind 20 kt in the evening becoming variable 10 kt.
Seas 6 ft.
.SAT...SE wind 25 kt. Seas 5 ft.
.SAT NIGHT...SE wind 30 kt. Seas 8 ft.
.SUN...SE wind 35 kt. Seas 10 ft.
.MON...E wind 25 kt. Seas 8 ft.
.TUE...S wind 15 kt. Seas 6 ft.

$$

PKZ171-211245-
Unalaska Bay-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 30 kt. Seas 10 ft. Rain.
.FRI...W wind 20 kt. Seas 3 ft.
.FRI NIGHT...W wind 15 kt becoming SW after midnight. Seas 2 ft.
.SAT...SE wind 20 kt. Seas 3 ft.
.SAT NIGHT...SE wind 25 kt. Seas 4 ft.
.SUN...SE wind 25 kt. Seas 4 ft.
.MON...E wind 15 kt. Seas 2 ft.
.TUE...S wind 10 kt. Seas 2 ft.

$$

PKZ172-211245-
Cape Sarichef to Nikolski Pacific Side-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY THROUGH FRIDAY...

.TONIGHT...NW wind 30 kt. Seas 9 ft.
.FRI...NW wind 30 kt. Seas 9 ft.
.FRI NIGHT...NW wind 20 kt in the evening becoming variable 10 kt.
Seas 6 ft.
.SAT...S wind 25 kt. Seas 4 ft.
.SAT NIGHT...SE wind 30 kt. Seas 11 ft.
.SUN...SE wind 30 kt. Seas 14 ft.
.MON...SE wind 20 kt. Seas 10 ft.
.TUE...S wind 15 kt. Seas 9 ft.

$$

PKZ173-211245-
Nikolski to Seguam Island Bering Side-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 25 kt. Seas 10 ft.
.FRI...NW wind 20 kt. Seas 7 ft.
.FRI NIGHT...S wind 15 kt. Seas 4 ft.
.SAT...SE wind 30 kt. Seas 8 ft.
.SAT NIGHT...SE wind 35 kt. Seas 14 ft.
.SUN...SE wind 30 kt. Seas 13 ft.
.MON...SE wind 20 kt. Seas 8 ft.
.TUE...W wind 15 kt. Seas 5 ft.

$$

PKZ174-211245-
Nikolski to Seguam Island Pacific Side-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NW wind 30 kt. Seas 11 ft.
.FRI...NW wind 20 kt. Seas 7 ft.
.FRI NIGHT...S wind 15 kt. Seas 4 ft.
.SAT...SE wind 30 kt. Seas 9 ft.
.SAT NIGHT...SE wind 35 kt. Seas 16 ft.
.SUN...SE wind 25 kt. Seas 14 ft.
.MON...S wind 20 kt. Seas 9 ft.
.TUE...SW wind 20 kt. Seas 7 ft.

$$

PKZ175-211245-
Seguam Island to Adak Bering Side-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...W wind 20 kt. Seas 8 ft.
.FRI...W wind 15 kt. Seas 5 ft.
.FRI NIGHT...SE wind 20 kt. Seas 5 ft.
.SAT...SE wind 35 kt. Seas 9 ft.
.SAT NIGHT...SE wind 35 kt. Seas 13 ft.
.SUN...SE wind 20 kt. Seas 12 ft.
.MON THROUGH TUE...W wind 15 kt. Seas 6 ft.

$$

PKZ176-211245-
Seguam Island to Adak Pacific Side-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...W wind 20 kt. Seas 8 ft.
.FRI...W wind 15 kt. Seas 5 ft.
.FRI NIGHT...SE wind 20 kt. Seas 4 ft.
.SAT AND SAT NIGHT...S wind 35 kt. Seas 14 ft.
.SUN...S wind 20 kt. Seas 14 ft.
.MON THROUGH TUE...W wind 20 kt. Seas 9 ft.

$$

PKZ177-211245-
Adak to Kiska-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...W wind 15 kt. Seas 6 ft.
.FRI...S wind 15 kt. Seas 5 ft.
.FRI NIGHT...SE wind 25 kt. Seas 6 ft.
.SAT...SE wind 30 kt. Seas 10 ft.
.SAT NIGHT...W wind 25 kt. Seas 11 ft.
.SUN...NW wind 30 kt. Seas 13 ft.
.MON...W wind 25 kt. Seas 10 ft.
.TUE...W wind 15 kt. Seas 7 ft.

$$

PKZ178-211245-
Kiska to Attu-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY FRIDAY NIGHT...

.TONIGHT...W wind 15 kt. Seas 6 ft.
.FRI...S wind 20 kt. Seas 6 ft.
.FRI NIGHT...S wind 25 kt. Seas 7 ft. Rain.
.SAT AND SAT NIGHT...NW wind 30 kt. Seas 12 ft.
.SUN...NW wind 30 kt. Seas 12 ft.
.MON...NW wind 25 kt. Seas 11 ft.
.TUE...NW wind 20 kt. Seas 7 ft.

$$

PKZ179-211245-
Pribilof Islands Near Shore Waters-
359 PM AKDT Thu May 20 2021

.TONIGHT...NW wind 20 kt. Seas 7 ft.
.FRI...NW wind 20 kt. Seas 6 ft.
.FRI NIGHT...W wind 15 kt. Seas 5 ft.
.SAT...SE wind 20 kt. Seas 5 ft.
.SAT NIGHT...SE wind 30 kt. Seas 8 ft.
.SUN...E wind 30 kt. Seas 10 ft.
.MON...E wind 25 kt. Seas 10 ft.
.TUE...NE wind 15 kt. Seas 6 ft.

$$

PKZ180-211245-
Kuskokwim Delta and Etolin Strait-
359 PM AKDT Thu May 20 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt diminishing to 15 kt after midnight. Seas
5 ft. Rain.
.FRI...NW wind 20 kt. Seas 5 ft.
.FRI NIGHT...W wind 20 kt. Seas 5 ft.
.SAT...W wind 15 kt. Seas 4 ft.
.SAT NIGHT...E wind 15 kt. Seas 3 ft.
.SUN THROUGH MON...E wind 25 kt. Seas 7 ft.
.TUE...E wind 20 kt. Seas 5 ft.

$$

PKZ181-211245-
North and West of Nunivak Island-
359 PM AKDT Thu May 20 2021

.TONIGHT...N wind 15 kt. Seas 3 ft.
.FRI...NW wind 20 kt. Seas 4 ft.
.FRI NIGHT...W wind 20 kt. Seas 5 ft.
.SAT...SW wind 15 kt. Seas 4 ft.
.SAT NIGHT...E wind 20 kt. Seas 3 ft.
.SUN THROUGH MON...E wind 25 kt. Seas 8 ft.
.TUE...NE wind 20 kt. Seas 6 ft.

$$

PKZ185-211245-
Saint Matthew Island Waters-
359 PM AKDT Thu May 20 2021

.TONIGHT...W wind 20 kt. Seas 6 ft.
.FRI...NW wind 20 kt. Seas 6 ft.
.FRI NIGHT...W wind 20 kt. Seas 5 ft.
.SAT...SE wind 20 kt. Seas 5 ft.
.SAT NIGHT...E wind 25 kt. Seas 7 ft.
.SUN...E wind 30 kt. Seas 11 ft.
.MON...NE wind 25 kt. Seas 9 ft.
.TUE...NE wind 20 kt. Seas 7 ft.

$$

The office that day

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

Issued	Product	Office	Lasted
May 18, 3:36 AM AKDT	Small Craft Advisory	AFC	31 hr
May 18, 3:42 AM AKDT	Small Craft Advisory	AFC	4 days
May 18, 3:40 PM AKDT	Gale Warning	AFC	19 hr
May 18, 3:40 PM AKDT	Small Craft Advisory	AFC	60 hr
May 18, 3:47 PM AKDT	Gale Warning	AFC	36 hr
May 18, 3:58 PM AKDT	Gale Warning	AFC	24 hr
May 18, 3:58 PM AKDT	Small Craft Advisory	AFC	72 hr

Nearby

Gale Warnings in Alaska, 2021 Every gale warning 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.