Alert archive / Alaska / Gale Warnings in 2021

Gale Warning 345, NWS Anchorage, AK

April 25, 2021

NWS Anchorage, AK issued this gale warning at Apr 25, 2021, 3:13 AM AKDT. It was in force for 36 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
Apr 25, 2021, 3:13 AM AKDT (11:13 UTC)
Expired
Apr 26, 2021, 3:28 PM AKDT
In force
36 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

723 
FZAK62 PAFC 251113
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
313 AM AKDT Sun Apr 25 2021

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-260100-
313 AM AKDT Sun Apr 25 2021

.SYNOPSIS FOR CENTRAL BERING SEA...

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

A 993 mb low at 52N 167W merges with a 987 mb low near 55N 157W 
for Mon morning. Its front moves over and south of the Alaska 
Peninsula through Mon afternoon. High pressure enters the western 
Bering Sun night.

$$

PKZ411-260100-
Bering Sea Offshore West of 180 and East of the International
Dateline-
313 AM AKDT Sun Apr 25 2021

.TODAY...N wind 10 to 20 kt. Seas 3 to 6 ft.
.TONIGHT...NW wind 10 to 20 kt. Seas 4 to 7 ft. Patchy fog.
.MON...W wind 15 kt. Seas 5 ft. Patchy fog.
.MON NIGHT...W wind up to 15 kt. Seas 5 ft.
.TUE...E wind 10 to 25 kt. Seas 3 to 8 ft.
.WED THROUGH THU...N wind 10 to 25 kt. Seas 5 to 10 ft.

$$

PKZ412-260100-
Bering Sea Offshore 171W to 180 and North of 56N-
313 AM AKDT Sun Apr 25 2021

.TODAY...N wind 25 kt. Seas 5 to 8 ft.
.TONIGHT...N wind 20 to 30 kt. Seas 6 to 9 ft.
.MON...NW wind 15 to 30 kt. Seas 5 to 10 ft.
.MON NIGHT...NW wind 15 to 30 kt. Seas 4 to 9 ft.
.TUE THROUGH THU...N wind up to 20 kt. Seas 3 to 8 ft.

$$

PKZ413-260100-
Bering Sea Offshore 171W to 180 and South of 56N-
313 AM AKDT Sun Apr 25 2021

...GALE WARNING MONDAY...

.TODAY...N wind 20 to 30 kt. Seas 8 ft.
.TONIGHT...N wind 20 to 30 kt. Seas 8 to 11 ft.
.MON...N wind 20 to 35 kt. Seas 8 to 13 ft.
.MON NIGHT...N wind 20 to 35 kt. Seas 7 to 12 ft.
.TUE THROUGH THU...NE wind 10 to 20 kt. Seas 4 to 9 ft.

$$

PKZ414-260100-
Bering Sea Offshore East of 171W-
313 AM AKDT Sun Apr 25 2021

.TODAY...NE wind 10 to 25 kt. Seas 7 ft.
.TONIGHT...N wind 15 to 30 kt. Seas 4 to 9 ft. Rain.
.MON...N wind 20 to 30 kt. Seas 6 to 11 ft.
.MON NIGHT...N wind 20 to 30 kt. Seas 6 to 11 ft.
.TUE THROUGH THU...N wind 10 to 25 kt. Seas 4 to 9 ft.

$$
3 follow-up statements
227 
FZAK62 PAFC 252339
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
339 PM AKDT Sun Apr 25 2021

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-261400-
339 PM AKDT Sun Apr 25 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

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

A 990 mb low at 53N 168W merges with a 983 mb North Pacific low
Mon morning then merges with another North Pacific low to form a
980 mb low Tue morning. The low continues moving South. Its front
moves South of the Alaska Peninsula through Tue afternoon.

$$

PKZ411-261400-
Bering Sea Offshore West of 180 and East of the International
Dateline-
339 PM AKDT Sun Apr 25 2021

.TONIGHT...NW wind 10 to 25 kt. Seas 4 to 7 ft.
.MON...W wind 15 kt. Seas 5 ft.
.MON NIGHT...SW wind 10 to 15 kt. Seas 4 ft.
.TUE...SE wind 10 to 25 kt. Seas 3 to 6 ft.
.TUE NIGHT...E wind 15 to 30 kt. Seas 5 to 10 ft.
.WED...NE wind 15 to 30 kt. Seas 6 to 11 ft.
.THU THROUGH FRI...NW wind 10 to 20 kt. Seas 5 to 9 ft.

$$

PKZ412-261400-
Bering Sea Offshore 171W to 180 and North of 56N-
339 PM AKDT Sun Apr 25 2021

.TONIGHT...N wind 20 to 30 kt. Seas 6 to 9 ft.
.MON...N wind 15 to 30 kt. Seas 5 to 10 ft.
.MON NIGHT...NW wind 15 to 30 kt. Seas 4 to 9 ft.
.TUE...N wind up to 20 kt. Seas 3 to 6 ft.
.TUE NIGHT...NE wind up to 15 kt. Seas 4 ft.
.WED...NE wind 10 to 20 kt. Seas 3 to 8 ft.
.THU THROUGH FRI...N wind up to 15 kt. Seas 4 to 7 ft.

$$

PKZ413-261400-
Bering Sea Offshore 171W to 180 and South of 56N-
339 PM AKDT Sun Apr 25 2021

...GALE WARNING MONDAY...

.TONIGHT...N wind 30 kt. Seas 8 to 12 ft.
.MON...N wind 20 to 35 kt. Seas 8 to 13 ft.
.MON NIGHT...N wind 15 to 30 kt. Seas 7 to 12 ft.
.TUE...NE wind 10 to 25 kt. Seas 4 to 9 ft.
.TUE NIGHT...NE wind 10 to 20 kt. Seas 5 ft.
.WED THROUGH FRI...N wind 10 to 25 kt. Seas 5 to 10 ft.

$$

PKZ414-261400-
Bering Sea Offshore East of 171W-
339 PM AKDT Sun Apr 25 2021

...GALE WARNING MONDAY AND MONDAY NIGHT...

.TONIGHT...N wind 15 to 30 kt. Seas 4 to 9 ft.
.MON...N wind 20 to 35 kt. Seas 7 to 12 ft. Rain.
.MON NIGHT...N wind 20 to 35 kt. Seas 7 to 12 ft.
.TUE...N wind 15 to 25 kt. Seas 5 to 10 ft.
.TUE NIGHT...N wind 10 to 20 kt. Seas 3 to 6 ft.
.WED THROUGH THU...N wind up to 20 kt. Seas 4 ft.
.FRI...E wind up to 15 kt. Seas 3 ft.

$$
801 
FZAK62 PAFC 261156
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
356 AM AKDT Mon Apr 26 2021

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-270100-
356 AM AKDT Mon Apr 26 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

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

A front off a North Pacific low lingers in the eastern Bering
through Tue. A 977 mb low moves to 47N 169E on Wed afternoon. Its
front enters the western Bering Tue afternoon.

$$

PKZ411-270100-
Bering Sea Offshore West of 180 and East of the International
Dateline-
356 AM AKDT Mon Apr 26 2021

.TODAY...W wind 10 to 15 kt. Seas 5 ft.
.TONIGHT...Variable wind 10 kt. Seas 4 ft.
.TUE...E wind 10 to 25 kt. Seas 3 to 6 ft.
.TUE NIGHT...E wind 10 to 25 kt. Seas 5 to 10 ft.
.WED THROUGH FRI...N wind 10 to 25 kt. Seas 7 to 12 ft.

$$

PKZ412-270100-
Bering Sea Offshore 171W to 180 and North of 56N-
356 AM AKDT Mon Apr 26 2021

.TODAY...N wind 15 to 30 kt. Seas 5 to 10 ft.
.TONIGHT...N wind 15 to 30 kt. Seas 4 to 9 ft.
.TUE...N wind 10 to 20 kt. Seas 3 to 7 ft.
.TUE NIGHT...NE wind up to 15 kt. Seas 4 ft.
.WED THROUGH FRI...NE wind up to 20 kt. Seas 3 to 8 ft.

$$

PKZ413-270100-
Bering Sea Offshore 171W to 180 and South of 56N-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING TODAY...

.TODAY...N wind 20 to 35 kt. Seas 8 to 13 ft.
.TONIGHT...N wind 15 to 30 kt. Seas 7 to 12 ft.
.TUE...N wind 10 to 25 kt becoming NE in the afternoon. Seas 5 to
10 ft.
.TUE NIGHT...NE wind 20 kt. Seas 5 ft.
.WED THROUGH FRI...NE wind 15 to 25 kt. Seas 5 to 10 ft.

$$

PKZ414-270100-
Bering Sea Offshore East of 171W-
356 AM AKDT Mon Apr 26 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...N wind 25 to 35 kt. Seas 7 to 12 ft.
.TONIGHT...N wind 20 to 35 kt. Seas 7 to 12 ft.
.TUE...N wind 25 kt. Seas 5 to 10 ft.
.TUE NIGHT...N wind 20 kt. Seas 3 to 7 ft.
.WED THROUGH FRI...NE wind 20 kt. Seas 4 ft.

$$
365 
FZAK62 PAFC 262328
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
328 PM AKDT Mon Apr 26 2021

Offshore Waters Forecast for the Bering Sea

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.

PKZ499-271230-
328 PM AKDT Mon Apr 26 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

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

A 987 mb North Pacific low moves east for Wed afternoon. Its 
front decays over Southwest Alaska by Wed afternoon. High pressure
crosses the Bering through Wed afternoon. A 945 mb North Pacific 
low Mon night moves to 48N 169E at 978 mb for Wed afternoon. Its 
front moves over the Western Aleutians Wed afternoon.

$$

PKZ411-271230-
Bering Sea Offshore West of 180 and East of the International
Dateline-
328 PM AKDT Mon Apr 26 2021

.TONIGHT...W wind 10 kt becoming SE after midnight. Seas 4 ft.
.TUE...E wind 10 to 25 kt. Seas 3 to 6 ft.
.TUE NIGHT...E wind 10 to 25 kt. Seas 4 to 9 ft.
.WED...E wind 15 to 25 kt. Seas 6 to 11 ft.
.WED NIGHT...NE wind 15 to 25 kt. Seas 8 to 12 ft.
.THU THROUGH FRI...N wind 10 to 25 kt. Seas 6 to 11 ft.
.SAT...NW wind 15 kt. Seas 4 ft.

$$

PKZ412-271230-
Bering Sea Offshore 171W to 180 and North of 56N-
328 PM AKDT Mon Apr 26 2021

.TONIGHT...N wind 15 to 30 kt. Seas 4 to 9 ft.
.TUE...N wind 10 to 25 kt. Seas 3 to 7 ft.
.TUE NIGHT...NE wind up to 20 kt becoming 15 kt after midnight.
Seas 4 ft.
.WED...NE wind 10 to 20 kt. Seas 3 to 7 ft.
.WED NIGHT...NE wind 20 kt. Seas 5 to 9 ft.
.THU THROUGH SAT...N wind up to 20 kt. Seas 3 to 7 ft.

$$

PKZ413-271230-
Bering Sea Offshore 171W to 180 and South of 56N-
328 PM AKDT Mon Apr 26 2021

.TONIGHT...N wind 15 to 30 kt. Seas 7 to 12 ft.
.TUE...N wind 10 to 25 kt becoming NE in the afternoon. 
Seas 5 to 10 ft.
.TUE NIGHT...NE wind 20 kt. Seas 6 ft.
.WED...NE wind 20 kt. Seas 5 to 9 ft.
.WED NIGHT...NE wind 20 kt. Seas 5 to 9 ft.
.THU THROUGH FRI...NE wind 20 kt. Seas 6 to 9 ft.
.SAT...N wind 15 kt. Seas 4 ft.

$$

PKZ414-271230-
Bering Sea Offshore East of 171W-
328 PM AKDT Mon Apr 26 2021

.TONIGHT...N wind 20 to 30 kt. Seas 7 to 12 ft.
.TUE...N wind 25 kt. Seas 5 to 10 ft.
.TUE NIGHT...N wind 20 kt. Seas 4 to 7 ft.
.WED...N wind 15 kt. Seas 4 ft.
.WED NIGHT...N wind 20 kt. Seas 3 to 6 ft.
.THU THROUGH SAT...NE wind 20 kt. Seas 3 to 7 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 25, 2:21 AM AKDTSmall Craft AdvisoryAFC3 days
Apr 25, 3:15 AM AKDTGale WarningAFC48 hr
Apr 25, 3:15 AM AKDTSmall Craft AdvisoryAFC48 hr
Apr 25, 3:23 PM AKDTSmall Craft AdvisoryAFC24 hr
Apr 25, 3:38 PM AKDTGale WarningAFC24 hr
Apr 25, 3:38 PM AKDTSmall Craft AdvisoryAFC36 hr
Apr 25, 3:39 PM AKDTGale WarningAFC24 hr

Nearby

Gale Warnings in Alaska, 2021Every 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.