Gale Warning 510, NWS Anchorage, AK

Issued

Aug 16, 2021, 3:46 PM AKDT (23:46 UTC)

Expired

Aug 17, 2021, 3:45 AM AKDT

In force

12 hr

Issued by

NWS Anchorage, AK

079 
FZAK52 PAFC 162346
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
346 PM AKDT Mon Aug 16 2021

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

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

PKZ199-171300-
346 PM AKDT Mon Aug 16 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 997 mb low 105 nm W of Nikolski swings to 45 nm north of 
Sitkinak and weakens to 1016 mb Wed afternoon. Its front remains 
south of the Aleutians and spreads into the Gulf through Wed 
afternoon. A 1006 mb North Kamchatka low slides to 65 nm north of 
St Matthew Island at 1003 mb Wed afternoon.

$$

PKZ150-171300-
South of the AK Peninsula Sitkinak to Castle Cape-
346 PM AKDT Mon Aug 16 2021

...GALE WARNING TONIGHT...

.TONIGHT...S wind 35 kt becoming SW 25 kt after midnight. Seas
12 ft.
.TUE...SW wind 20 kt. Seas 9 ft.
.TUE NIGHT...SW wind 15 kt. Seas 8 ft.
.WED...Variable wind 10 kt. Seas 7 ft.
.WED NIGHT...SW wind 15 kt. Seas 7 ft.
.THU THROUGH FRI...SW wind 15 kt. Seas 6 ft.
.SAT...SW wind 20 kt. Seas 11 ft.

$$

PKZ155-171300-
South of the AK Peninsula Castle Cape to Cape Sarichef-
346 PM AKDT Mon Aug 16 2021

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

.TONIGHT...SW wind 25 kt. Seas 10 ft. Patchy fog.
.TUE...SW wind 20 kt. Seas 9 ft. Patchy fog.
.TUE NIGHT...W wind 15 kt. Seas 9 ft. Patchy fog.
.WED...Variable wind 10 kt. Seas 7 ft.
.WED NIGHT...W wind 15 kt. Seas 6 ft.
.THU...SW wind 15 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 6 ft.
.SAT...SW wind 20 kt. Seas 11 ft.

$$

PKZ160-171300-
Bristol Bay-
346 PM AKDT Mon Aug 16 2021

.TONIGHT...E wind 20 kt. Seas 3 ft.
.TUE...NE wind 15 kt becoming N in the afternoon. Seas 2 ft.
.TUE NIGHT...NW wind 10 kt. Seas 2 ft.
.WED...W wind 10 kt. Seas 2 ft.
.WED NIGHT...SW wind 20 kt. Seas 3 ft.
.THU...SW wind 25 kt. Seas 5 ft.
.FRI THROUGH SAT...NW wind 15 kt. Seas 4 ft.

$$

PKZ165-171300-
Port Heiden to Cape Sarichef-
346 PM AKDT Mon Aug 16 2021

.TONIGHT...E wind 20 kt. Seas 5 ft. Patchy fog.
.TUE...NE wind 15 kt. Seas 4 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 2 ft. Patchy fog.
.WED...Variable wind 10 kt. Seas 2 ft.
.WED NIGHT...SW wind 20 kt. Seas 4 ft.
.THU...SW wind 20 kt. Seas 6 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.SAT...W wind 20 kt. Seas 5 ft.

$$

PKZ170-171300-
Cape Sarichef to Nikolski Bering Side-
346 PM AKDT Mon Aug 16 2021

.TONIGHT...E wind 20 kt. Seas 5 ft. Patchy fog.
.TUE...N wind 20 kt. Seas 6 ft. Patchy fog.
.TUE NIGHT...N wind 15 kt. Seas 5 ft. Patchy fog.
.WED...W wind 15 kt. Seas 3 ft.
.WED NIGHT...SW wind 20 kt. Seas 5 ft.
.THU...SW wind 20 kt. Seas 5 ft.
.FRI...N wind 15 kt. Seas 5 ft.
.SAT...W wind 15 kt. Seas 7 ft.

$$

PKZ171-171300-
Unalaska Bay-
346 PM AKDT Mon Aug 16 2021

.TONIGHT...Variable wind less than 10 kt. Seas 2 ft. Patchy fog.
.TUE...N wind 10 kt. Seas 3 ft. Patchy fog.
.TUE NIGHT...N wind 10 kt. Seas 3 ft. Patchy fog.
.WED...Variable wind less than 10 kt. Seas 3 ft.
.WED NIGHT...SW wind 10 kt. Seas 2 ft.
.THU...SW wind 10 kt. Seas 3 ft.
.FRI...N wind 10 kt. Seas 3 ft.
.SAT...W wind 10 kt. Seas 3 ft.

$$

PKZ172-171300-
Cape Sarichef to Nikolski Pacific Side-
346 PM AKDT Mon Aug 16 2021

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

.TONIGHT...SW wind 25 kt. Seas 10 ft. Patchy fog.
.TUE...W wind 15 kt. Seas 10 ft. Patchy fog.
.TUE NIGHT...N wind 15 kt. Seas 8 ft. Patchy fog.
.WED...Variable wind 10 kt. Seas 6 ft.
.WED NIGHT...W wind 15 kt. Seas 6 ft.
.THU...SW wind 15 kt. Seas 6 ft.
.FRI...NE wind 15 kt. Seas 9 ft.
.SAT...W wind 15 kt. Seas 10 ft.

$$

PKZ173-171300-
Nikolski to Seguam Island Bering Side-
346 PM AKDT Mon Aug 16 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...NE wind 30 kt. Seas 9 ft. Patchy fog.
.TUE...N wind 20 kt. Seas 7 ft.
.TUE NIGHT...NW wind 15 kt. Seas 5 ft. Patchy fog.
.WED AND WED NIGHT...SW wind 15 kt. Seas 5 ft.
.THU...SW wind 15 kt. Seas 5 ft.
.FRI...N wind 15 kt. Seas 6 ft.
.SAT...W wind 15 kt. Seas 6 ft.

$$

PKZ174-171300-
Nikolski to Seguam Island Pacific Side-
346 PM AKDT Mon Aug 16 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...SW wind 25 kt becoming NW after midnight. Seas 12 ft.
Patchy fog.
.TUE...N wind 20 kt. Seas 10 ft. Patchy fog.
.TUE NIGHT...N wind 20 kt. Seas 7 ft. Patchy fog.
.WED AND WED NIGHT...Variable wind 10 kt. Seas 5 ft.
.THU...Variable wind 10 kt. Seas 5 ft.
.FRI...N wind 20 kt. Seas 9 ft.
.SAT...W wind 15 kt. Seas 9 ft.

$$

PKZ175-171300-
Seguam Island to Adak Bering Side-
346 PM AKDT Mon Aug 16 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 30 kt. Seas 8 ft.
.TUE...NW wind 20 kt in the morning becoming variable 10 kt. Seas
6 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 4 ft.
.WED AND WED NIGHT...W wind 15 kt. Seas 4 ft.
.THU THROUGH FRI...Variable wind 10 kt. Seas 4 ft.
.SAT...SW wind 20 kt. Seas 4 ft.

$$

PKZ176-171300-
Seguam Island to Adak Pacific Side-
346 PM AKDT Mon Aug 16 2021

...SMALL CRAFT ADVISORY THROUGH TUESDAY...

.TONIGHT...NW wind 30 kt. Seas 10 ft.
.TUE...N wind 20 kt. Seas 9 ft.
.TUE NIGHT...Variable wind 10 kt. Seas 5 ft.
.WED AND WED NIGHT...Variable wind 10 kt. Seas 5 ft.
.THU...Variable wind 10 kt. Seas 5 ft.
.FRI...NW wind 15 kt. Seas 5 ft.
.SAT...SW wind 15 kt. Seas 5 ft.

$$

PKZ177-171300-
Adak to Kiska-
346 PM AKDT Mon Aug 16 2021

...SMALL CRAFT ADVISORY TONIGHT...

.TONIGHT...N wind 25 kt becoming NW 15 kt after midnight. Seas 7
ft.
.TUE...NW wind 15 kt. Seas 5 ft.
.TUE NIGHT...W wind 15 kt. Seas 4 ft.
.WED AND WED NIGHT...W wind 15 kt. Seas 5 ft.
.THU THROUGH FRI...SW wind 15 kt. Seas 5 ft.
.SAT...SW wind 20 kt. Seas 6 ft.

$$

PKZ178-171300-
Kiska to Attu-
346 PM AKDT Mon Aug 16 2021

.TONIGHT...NW wind 15 kt. Seas 4 ft.
.TUE...W wind 15 kt. Seas 4 ft.
.TUE NIGHT...W wind 20 kt. Seas 5 ft.
.WED...SW wind 20 kt. Seas 5 ft.
.WED NIGHT...SW wind 15 kt. Seas 5 ft.
.THU...S wind 15 kt. Seas 5 ft.
.FRI THROUGH SAT...SW wind 20 kt. Seas 7 ft.

$$

PKZ179-171300-
Pribilof Islands Near Shore Waters-
346 PM AKDT Mon Aug 16 2021

.TONIGHT...NE wind 15 kt. Seas 5 ft.
.TUE...Variable wind 10 kt. Seas 4 ft.
.TUE NIGHT...SW wind 15 kt. Seas 5 ft.
.WED...SW wind 25 kt. Seas 5 ft.
.WED NIGHT...W wind 20 kt. Seas 6 ft.
.THU...W wind 15 kt. Seas 6 ft.
.FRI...Variable wind 10 kt. Seas 3 ft.
.SAT...Variable wind 10 kt. Seas 5 ft.

$$

PKZ180-171300-
Kuskokwim Delta and Etolin Strait-
346 PM AKDT Mon Aug 16 2021

.TONIGHT...E wind 15 kt except variable 10 kt N of Cape Newenham. 
Seas 4 ft.
.TUE...N wind 15 kt diminishing to 10 kt in the afternoon. Seas
3 ft.
.TUE NIGHT...NW wind 10 kt. Seas 2 ft.
.WED...SW wind 25 kt. Seas 4 ft.
.WED NIGHT...SW wind 30 kt. Seas 7 ft.
.THU...W wind 20 kt. Seas 7 ft.
.FRI THROUGH SAT...NW wind 15 kt. Seas 5 ft.

$$

PKZ181-171300-
North and West of Nunivak Island-
346 PM AKDT Mon Aug 16 2021

.TONIGHT...SW wind 20 kt becoming N 20 kt after midnight. Seas 5 ft.
.TUE...NE wind 15 kt. Seas 5 ft.
.TUE NIGHT...NE wind 15 kt. Seas 4 ft.
.WED...S wind 30 kt. Seas 7 ft.
.WED NIGHT...W wind 25 kt. Seas 8 ft.
.THU...NW wind 25 kt. Seas 9 ft.
.FRI...W wind 15 kt. Seas 5 ft.
.SAT...Variable wind 10 kt. Seas 3 ft.

$$

PKZ185-171300-
Saint Matthew Island Waters-
346 PM AKDT Mon Aug 16 2021

...SMALL CRAFT ADVISORY TUESDAY NIGHT...

.TONIGHT...NE wind 20 kt. Seas 5 ft.
.TUE...E wind 15 kt. Seas 5 ft.
.TUE NIGHT...SE wind 25 kt. Seas 5 ft. Rain.
.WED AND WED NIGHT...N wind 25 kt. Seas 8 ft.
.THU...W wind 25 kt. Seas 8 ft.
.FRI...S wind 15 kt. Seas 4 ft.
.SAT...Variable wind 10 kt. Seas 3 ft.

$$

724 
FZAK52 PAFC 171145
CWFALU

Coastal Waters Forecast
National Weather Service Anchorage Alaska
345 AM AKDT Tue Aug 17 2021

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

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

PKZ199-180030-
345 AM AKDT Tue Aug 17 2021
.SYNOPSIS FOR SOUTHWEST ALASKA+BRISTOL BAY+THE ALASKA
PENINSULA WATERS AND THE ALEUTIAN ISLANDS...

A 1003 mb low 120 nm southwest of Nikolski moves south in the 
North Pacific and weakens to 1010 mb this afternoon. Its 
associated front remains south of the Aleutians and spreads into 
the Gulf through Wed afternoon. A 1004 mb North Kamchatka low 145 
nm west of St Matthew Island Wed morning moves to 100 nm northwest
of Hooper Bay at 1003 mb Thu morning.

$$

PKZ150-180030-
South of the AK Peninsula Sitkinak to Castle Cape-
345 AM AKDT Tue Aug 17 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

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

$$

PKZ155-180030-
South of the AK Peninsula Castle Cape to Cape Sarichef-
345 AM AKDT Tue Aug 17 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...SW wind 20 kt. Seas 9 ft. Patchy fog.
.TONIGHT...SW wind 15 kt. Seas 9 ft. Patchy fog.
.WED...Variable wind 10 kt. Seas 7 ft.
.WED NIGHT...W wind 15 kt. Seas 7 ft.
.THU...SW wind 20 kt. Seas 6 ft.
.FRI...S wind 15 kt. Seas 5 ft.
.SAT...S wind 20 kt. Seas 7 ft.

$$

PKZ160-180030-
Bristol Bay-
345 AM AKDT Tue Aug 17 2021

.TODAY...NE wind 15 kt becoming N in the afternoon. Seas 3 ft.
.TONIGHT...NW wind 10 kt. Seas 2 ft.
.WED...W wind 10 kt increasing to 15 kt in the afternoon. Seas 1 foot.
.WED NIGHT...SW wind 20 kt. Seas 2 ft.
.THU...SW wind 20 kt. Seas 6 ft.
.FRI...NW wind 15 kt. Seas 5 ft.
.SAT...E wind 15 kt. Seas 3 ft.

$$

PKZ165-180030-
Port Heiden to Cape Sarichef-
345 AM AKDT Tue Aug 17 2021

.TODAY...NE wind 20 kt. Seas 4 ft.
.TONIGHT...N wind 20 kt in the evening becoming variable 10 kt.
Seas 4 ft. Patchy fog.
.WED...Variable wind 10 kt. Seas 2 ft.
.WED NIGHT...SW wind 20 kt. Seas 4 ft.
.THU...SW wind 20 kt. Seas 6 ft.
.FRI...E wind 20 kt. Seas 4 ft.
.SAT...SE wind 15 kt. Seas 4 ft.

$$

PKZ170-180030-
Cape Sarichef to Nikolski Bering Side-
345 AM AKDT Tue Aug 17 2021

.TODAY...N wind 20 kt. Seas 6 ft. Patchy fog.
.TONIGHT...N wind 15 kt. Seas 5 ft. Patchy fog.
.WED...SW wind 15 kt. Seas 4 ft.
.WED NIGHT...SW wind 20 kt. Seas 5 ft.
.THU...SW wind 20 kt. Seas 5 ft.
.FRI...E wind 20 kt. Seas 5 ft.
.SAT...SE wind 20 kt. Seas 5 ft.

$$

PKZ171-180030-
Unalaska Bay-
345 AM AKDT Tue Aug 17 2021

.TODAY...NW wind 10 kt increasing to 20 kt in the afternoon. Seas
4 ft. Patchy fog.
.TONIGHT...NW wind 15 kt diminishing to 10 kt after midnight. Seas
3 ft. Patchy fog.
.WED...NW wind 10 kt. Seas 2 ft.
.WED NIGHT...W wind 15 kt. Seas 2 ft.
.THU...W wind 10 kt. Seas 3 ft.
.FRI...E wind 10 kt. Seas 2 ft.
.SAT...SE wind 10 kt. Seas 2 ft.

$$

PKZ172-180030-
Cape Sarichef to Nikolski Pacific Side-
345 AM AKDT Tue Aug 17 2021

...SMALL CRAFT ADVISORY THROUGH TONIGHT...

.TODAY...NW wind 20 kt. Seas 10 ft. Patchy fog.
.TONIGHT...NW wind 20 kt. Seas 8 ft. Patchy fog.
.WED...NW wind 15 kt. Seas 6 ft.
.WED NIGHT...W wind 15 kt. Seas 6 ft.
.THU...SW wind 20 kt. Seas 5 ft.
.FRI...SE wind 20 kt. Seas 7 ft.
.SAT...S wind 20 kt. Seas 7 ft.

$$

PKZ173-180030-
Nikolski to Seguam Island Bering Side-
345 AM AKDT Tue Aug 17 2021

.TODAY...N wind 20 kt. Seas 7 ft.
.TONIGHT...NW wind 15 kt. Seas 5 ft. Patchy fog.
.WED...SW wind 15 kt. Seas 4 ft. Patchy fog.
.WED NIGHT...SW wind 15 kt. Seas 5 ft.
.THU...S wind 20 kt. Seas 5 ft.
.FRI...E wind 25 kt. Seas 8 ft.
.SAT...SE wind 15 kt. Seas 7 ft.

$$

PKZ174-180030-
Nikolski to Seguam Island Pacific Side-
345 AM AKDT Tue Aug 17 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 20 kt. Seas 9 ft. Patchy fog.
.TONIGHT...NW wind 15 kt. Seas 6 ft. Patchy fog.
.WED...Variable wind 10 kt. Seas 5 ft. Patchy fog.
.WED NIGHT...SW wind 15 kt. Seas 5 ft.
.THU THROUGH FRI...SE wind 25 kt. Seas 8 ft.
.SAT...S wind 20 kt. Seas 8 ft.

$$

PKZ175-180030-
Seguam Island to Adak Bering Side-
345 AM AKDT Tue Aug 17 2021

.TODAY...NW wind 15 kt. Seas 5 ft.
.TONIGHT...W wind 15 kt. Seas 3 ft.
.WED...SW wind 15 kt. Seas 3 ft. Patchy fog.
.WED NIGHT...W wind 15 kt. Seas 4 ft.
.THU...NW wind 20 kt. Seas 4 ft.
.FRI...NE wind 25 kt. Seas 7 ft.
.SAT...SW wind 20 kt. Seas 5 ft.

$$

PKZ176-180030-
Seguam Island to Adak Pacific Side-
345 AM AKDT Tue Aug 17 2021

...SMALL CRAFT ADVISORY TODAY...

.TODAY...N wind 20 kt. Seas 8 ft.
.TONIGHT...W wind 10 kt. Seas 5 ft.
.WED...W wind 10 kt. Seas 6 ft. Patchy fog.
.WED NIGHT...Variable wind 10 kt. Seas 5 ft.
.THU THROUGH FRI...E wind 25 kt. Seas 8 ft.
.SAT...SW wind 25 kt. Seas 8 ft.

$$

PKZ177-180030-
Adak to Kiska-
345 AM AKDT Tue Aug 17 2021

.TODAY...NW wind 15 kt. Seas 5 ft.
.TONIGHT...W wind 15 kt. Seas 5 ft.
.WED...W wind 15 kt. Seas 6 ft. Patchy fog.
.WED NIGHT...W wind 15 kt. Seas 6 ft.
.THU...NW wind 20 kt. Seas 5 ft.
.FRI...N wind 25 kt. Seas 6 ft.
.SAT...W wind 25 kt. Seas 6 ft.

$$

PKZ178-180030-
Kiska to Attu-
345 AM AKDT Tue Aug 17 2021

.TODAY...W wind 20 kt. Seas 5 ft.
.TONIGHT...W wind 20 kt. Seas 6 ft.
.WED...W wind 20 kt. Seas 6 ft. Patchy fog.
.WED NIGHT...SW wind 15 kt. Seas 5 ft.
.THU THROUGH FRI...W wind 15 kt. Seas 5 ft.
.SAT...W wind 20 kt. Seas 6 ft.

$$

PKZ179-180030-
Pribilof Islands Near Shore Waters-
345 AM AKDT Tue Aug 17 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...Variable wind 10 kt. Seas 4 ft.
.TONIGHT...S wind 15 kt. Seas 4 ft.
.WED...SW wind 15 increasing to 25 kt in the afternoon. Seas 5 ft.
.WED NIGHT...W wind 25 kt. Seas 6 ft.
.THU...W wind 15 kt. Seas 6 ft.
.FRI THROUGH SAT...E wind 20 kt. Seas 6 ft.

$$

PKZ180-180030-
Kuskokwim Delta and Etolin Strait-
345 AM AKDT Tue Aug 17 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...N wind 15 kt. Seas 4 ft.
.TONIGHT...NW wind 15 kt. Seas 3 ft.
.WED...SW wind 15 kt increasing to 25 kt in the afternoon. Seas 3 ft.
.WED NIGHT...SW wind 25 kt. Seas 6 ft.
.THU...W wind 20 kt. Seas 6 ft.
.FRI...E wind 15 kt. Seas 4 ft.
.SAT...E wind 20 kt. Seas 6 ft.

$$

PKZ181-180030-
North and West of Nunivak Island-
345 AM AKDT Tue Aug 17 2021

...SMALL CRAFT ADVISORY WEDNESDAY...

.TODAY...NE wind 15 kt. Seas 5 ft.
.TONIGHT...NE wind 15 kt. Seas 4 ft.
.WED...S wind 20 kt increasing to 30 kt in the afternoon. Seas 6 ft. Rain.
.WED NIGHT...SW wind 30 kt. Seas 7 ft.
.THU...W wind 25 kt. Seas 9 ft.
.FRI...S wind 15 kt. Seas 4 ft.
.SAT...E wind 20 kt. Seas 6 ft.

$$

PKZ185-180030-
Saint Matthew Island Waters-
345 AM AKDT Tue Aug 17 2021

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

.TODAY...E wind 15 kt. Seas 5 ft.
.TONIGHT...SE wind 20 kt E of Saint Matthew Island... SE 25 kt W of 
Saint Matthew Island. Seas 6 ft. Rain.
.WED...SW wind 30 kt. Seas 6 ft.
.WED NIGHT...NW wind 25 kt. Seas 6 ft.
.THU...W wind 25 kt. Seas 7 ft.
.FRI...SE wind 20 kt. Seas 5 ft.
.SAT...NE wind 15 kt. Seas 6 ft.

$$

Gale Warnings in Alaska, 2021Every gale warning in 2021

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