Alert archive / Alaska / Gale Warnings in 2021

Gale Warning 340, NWS Anchorage, AK

April 15, 2021

NWS Anchorage, AK issued this gale warning at Apr 15, 2021, 3:06 AM AKDT. It was in force for 47 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 15, 2021, 3:06 AM AKDT (11:06 UTC)
Expired
Apr 17, 2021, 2:29 AM AKDT
In force
47 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

728 
FZAK62 PAFC 151106
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
306 AM AKDT Thu Apr 15 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.

PKZ499-160115-
306 AM AKDT Thu Apr 15 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

A front moves over the central Bering and central Aleutians
and dissipates in the Bering through Thu evening. A 1008 mb North
Pacific low moves near 54N 165E Fri morning and moves to 61N 173E
at 1001 mb by Sat morning.

$$

PKZ411-160115-
Bering Sea Offshore West of 180 and East of the International
Dateline-
306 AM AKDT Thu Apr 15 2021

...GALE WARNING FRIDAY...

.TODAY...SW wind 15 to 25 kt. Seas 6 to 10 ft.
.TONIGHT...S wind 15 to 30 kt. Seas 9 ft.
.FRI...SE wind 25 to 40 kt. Seas 9 to 17 ft. Rain.
.FRI NIGHT...SW wind 25 to 40 kt. Seas 12 to 17 ft.
.SAT THROUGH MON...N wind 15 to 30 kt. Seas 7 to 12 ft.

$$

PKZ412-160115-
Bering Sea Offshore 171W to 180 and North of 56N-
306 AM AKDT Thu Apr 15 2021

.TODAY...SW wind 10 to 15 kt. Seas 3 to 6 ft.
.TONIGHT...SW wind 10 to 20 kt. Seas 4 to 8 ft.
.FRI...S wind 10 to 20 kt increasing to 15 to 30 kt in the
afternoon. Seas 6 to 9 ft.
.FRI NIGHT...SE wind 20 to 35 kt. Seas 8 to 13 ft.
.SAT...S wind 10 to 25 kt. Seas 7 to 12 ft.
.SUN...N wind up to 20 kt. Seas 6 to 10 ft.
.MON...N wind 20 to 30 kt. Seas 6 ft.

$$

PKZ413-160115-
Bering Sea Offshore 171W to 180 and South of 56N-
306 AM AKDT Thu Apr 15 2021

.TODAY...NW wind 10 to 20 kt. Seas 4 to 7 ft.
.TONIGHT...SW wind 10 kt becoming S after midnight. Seas 4 to 7
ft.
.FRI...SE wind up to 20 kt increasing to 15 to 30 kt in the
afternoon. Seas 5 to 8 ft.
.FRI NIGHT...SE wind 15 to 30 kt. Seas 6 to 11 ft.
.SAT...S wind up to 20 kt. Seas 5 to 10 ft.
.SUN...N wind up to 20 kt. Seas 5 to 10 ft.
.MON...N wind 20 to 30 kt. Seas 7 ft.

$$

PKZ414-160115-
Bering Sea Offshore East of 171W-
306 AM AKDT Thu Apr 15 2021

.TODAY...N wind 10 to 25 kt. Seas 6 ft.
.TONIGHT...NW wind 10 to 20 kt. Seas 3 to 6 ft.
.FRI...E wind 10 to 15 kt. Seas 4 ft.
.FRI NIGHT...E wind up to 20 kt. Seas 5 ft.
.SAT...E wind 10 to 20 kt. Seas 5 ft.
.SUN THROUGH MON...N wind 15 to 30 kt. Seas 4 to 9 ft.

$$
4 follow-up statements
867 
FZAK62 PAFC 152342
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
342 PM AKDT Thu Apr 15 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.

PKZ499-161345-
342 PM AKDT Thu Apr 15 2021
.SYNOPSIS FOR CENTRAL BERING SEA...
A front over the central Bering dissipates through Thu night. A 1042
mb North Pacific high at 47N 179W moves near 54N 172 W Fri morning 
and moves to 60N 165W at 1037 mb by Fri night. A 1006 mb low will be
at 55N 171E Fri afternoon.

$$

PKZ411-161345-
Bering Sea Offshore West of 180 and East of the International
Dateline-
342 PM AKDT Thu Apr 15 2021

...GALE WARNING FRIDAY AND FRIDAY NIGHT...

.TONIGHT...S wind 15 to 30 kt. Seas 7 to 10 ft. Areas of fog.
.FRI...SE wind 25 to 40 kt. Seas 8 to 16 ft. Areas of fog. Rain
showers.
.FRI NIGHT...S wind 20 to 35 kt. Seas 12 to 17 ft. Rain.
.SAT...W wind 15 to 30 kt. Seas 9 to 15 ft.
.SAT NIGHT...NW wind 10 to 20 kt. Seas 7 to 12 ft.
.SUN THROUGH TUE...N wind 10 to 25 kt. Seas 4 to 8 ft.

$$

PKZ412-161345-
Bering Sea Offshore 171W to 180 and North of 56N-
342 PM AKDT Thu Apr 15 2021

...GALE WARNING FRIDAY NIGHT...

.TONIGHT...S wind 10 to 20 kt. Seas 4 to 8 ft.
.FRI...S wind 10 to 25 kt. Seas 7 ft.
.FRI NIGHT...SE wind 20 to 35 kt. Seas 8 to 13 ft.
.SAT...S wind 15 to 30 kt. Seas 8 to 13 ft.
.SAT NIGHT...S wind up to 20 kt. Seas 5 to 10 ft.
.SUN...N wind up to 20 kt. Seas 6 to 9 ft.
.MON THROUGH TUE...N wind 20 to 30 kt. Seas 7 ft.

$$

PKZ413-161345-
Bering Sea Offshore 171W to 180 and South of 56N-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...S wind up to 15 kt. Seas 6 ft.
.FRI...SE wind up to 20 kt increasing to 15 to 30 kt in the
afternoon. Seas 6 ft.
.FRI NIGHT...SE wind 15 to 30 kt. Seas 7 to 12 ft.
.SAT...SE wind 10 to 20 kt. Seas 6 to 11 ft.
.SAT NIGHT...SE wind up to 15 kt. Seas 3 to 8 ft.
.SUN...N wind up to 20 kt. Seas 4 to 8 ft.
.MON THROUGH TUE...N wind 20 to 30 kt. Seas 6 to 9 ft.

$$

PKZ414-161345-
Bering Sea Offshore East of 171W-
342 PM AKDT Thu Apr 15 2021

.TONIGHT...N wind 10 to 20 kt. Seas 3 to 6 ft.
.FRI...NE wind 10 to 15 kt. Seas 4 ft.
.FRI NIGHT...E wind 10 to 15 kt. Seas 5 ft.
.SAT...SE wind up to 15 kt. Seas 5 ft.
.SAT NIGHT...NE wind up to 20 kt. Seas 5 ft.
.SUN THROUGH TUE...NE wind 15 to 30 kt. Seas 4 to 9 ft.

$$
480 
FZAK62 PAFC 161114
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
314 AM AKDT Fri Apr 16 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.

PKZ499-170045-
314 AM AKDT Fri Apr 16 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

A 1005 mb North Pacific low moves to 58N 170E by Fri afternoon it
moves to 61N 173E Sat morning at 1005 mb and then slowly moves to
61N 177E Sun morning at 1019 mb. Its front moves across the 
western and central Bering and Aleutians through Sunday morning 
and weakens. High pressure will dominate the Pribilofs and eastern
Bering through Sunday morning.

$$

PKZ411-170045-
Bering Sea Offshore West of 180 and East of the International
Dateline-
314 AM AKDT Fri Apr 16 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...SE wind 25 to 40 kt. Seas 8 to 16 ft. Areas of fog. Rain.
.TONIGHT...S wind 25 to 40 kt becoming SW 15 to 30 kt after
midnight. Seas 11 to 15 ft. Rain.
.SAT...NW wind 15 to 30 kt. Seas 10 to 13 ft. Rain.
.SAT NIGHT...NW wind 10 to 20 kt. Seas 7 to 11 ft.
.SUN THROUGH TUE...N wind 10 to 25 kt. Seas 3 to 8 ft.

$$

PKZ412-170045-
Bering Sea Offshore 171W to 180 and North of 56N-
314 AM AKDT Fri Apr 16 2021

...GALE WARNING TONIGHT...

.TODAY...S wind 10 to 25 kt. Seas 7 ft.
.TONIGHT...SE wind 20 to 35 kt. Seas 7 to 12 ft.
.SAT...S wind 15 to 30 kt. Seas 7 to 12 ft. Rain.
.SAT NIGHT...S wind up to 20 kt. Seas 5 to 10 ft.
.SUN THROUGH TUE...NE wind 10 to 25 kt. Seas 5 to 9 ft.

$$

PKZ413-170045-
Bering Sea Offshore 171W to 180 and South of 56N-
314 AM AKDT Fri Apr 16 2021

.TODAY...SE wind up to 20 kt increasing to 15 to 30 kt in the
afternoon. Seas 6 ft.
.TONIGHT...SE wind 15 to 30 kt. Seas 6 to 11 ft.
.SAT...S wind 10 to 25 kt. Seas 5 to 10 ft. Rain.
.SAT NIGHT...S wind up to 20 kt. Seas 4 to 9 ft.
.SUN THROUGH TUE...N wind 15 to 30 kt. Seas 5 to 10 ft.

$$

PKZ414-170045-
Bering Sea Offshore East of 171W-
314 AM AKDT Fri Apr 16 2021

.TODAY...NE wind 10 to 15 kt. Seas 4 ft.
.TONIGHT...E wind 10 to 15 kt. Seas 5 ft.
.SAT...E wind 10 to 15 kt. Seas 5 ft.
.SAT NIGHT...NE wind up to 20 kt. Seas 4 ft.
.SUN THROUGH TUE...NE wind 15 to 30 kt. Seas 4 to 8 ft.

$$
331 
FZAK62 PAFC 162357
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
357 PM AKDT Fri Apr 16 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.

PKZ499-171300-
357 PM AKDT Fri Apr 16 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

SEMISOPOCHNOI VOLCANO, 140 NM NORTHWEST OF ADAK IS CURRENTLY 
ACTIVE.

A 1004 mb low at 58N 170E moves to 61N 178E at 1023 mb Sun 
morning and dissipates. Its front moves eastward then stalls over 
the western to central Aleutians and central Bering through Sunday 
morning and weakens. A trough from the North Pacific enters the 
eastern Bering Sat night and drifts westward through Pribilof Islands
through Sun afternoon.

$$

PKZ411-171300-
Bering Sea Offshore West of 180 and East of the International
Dateline-
357 PM AKDT Fri Apr 16 2021

...GALE WARNING TONIGHT...

.TONIGHT...S wind 25 to 40 kt becoming SW 15 to 30 kt after
midnight. Seas 12 to 16 ft.
.SAT...NW wind 15 to 30 kt. Seas 10 to 14 ft.
.SAT NIGHT...NW wind 10 to 20 kt. Seas 9 to 12 ft.
.SUN...NW wind up to 15 kt. Seas 5 to 8 ft.
.SUN NIGHT...N wind up to 15 kt. Seas 3 to 6 ft.
.MON THROUGH WED...N wind 10 to 25 kt. Seas 4 to 9 ft.

$$

PKZ412-171300-
Bering Sea Offshore 171W to 180 and North of 56N-
357 PM AKDT Fri Apr 16 2021

...GALE WARNING TONIGHT...

.TONIGHT...S wind 20 to 35 kt. Seas 8 to 13 ft.
.SAT...S wind 15 to 30 kt. Seas 8 to 13 ft. Rain.
.SAT NIGHT...S wind 10 to 20 kt. Seas 5 to 10 ft.
.SUN...N wind up to 15 kt. Seas 5 to 9 ft.
.SUN NIGHT...N wind 10 to 25 kt. Seas 6 ft.
.MON THROUGH WED...NE wind 15 to 30 kt. Seas 5 to 9 ft.

$$

PKZ413-171300-
Bering Sea Offshore 171W to 180 and South of 56N-
357 PM AKDT Fri Apr 16 2021

.TONIGHT...SE wind 15 to 30 kt. Seas 6 to 11 ft.
.SAT...S wind 10 to 25 kt. Seas 5 to 10 ft. Rain.
.SAT NIGHT...S wind 10 to 25 kt. Seas 5 to 10 ft.
.SUN...N wind up to 15 kt. Seas 4 to 9 ft.
.SUN NIGHT...N wind 10 to 25 kt. Seas 6 ft.
.MON THROUGH WED...N wind 15 to 30 kt. Seas 6 to 10 ft.

$$

PKZ414-171300-
Bering Sea Offshore East of 171W-
357 PM AKDT Fri Apr 16 2021

.TONIGHT...E wind 10 to 15 kt. Seas 5 ft.
.SAT...SE wind 10 to 15 kt. Seas 4 ft.
.SAT NIGHT...NE wind 10 to 15 kt. Seas 4 ft.
.SUN...N wind 10 to 20 kt. Seas 5 ft.
.SUN NIGHT...N wind 15 to 25 kt. Seas 4 to 7 ft.
.MON THROUGH WED...NE wind 20 to 30 kt. Seas 6 to 11 ft.

$$
744 
FZAK62 PAFC 171029
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
229 AM AKDT Sat Apr 17 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.

PKZ499-180045-
229 AM AKDT Sat Apr 17 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

SEMISOPOCHNOI VOLCANO, 140 NM NORTHWEST OF ADAK IS CURRENTLY 
ACTIVE.

A 1005 mb low at 61N 173E moves to 61N 177E at 1020 mb Sun 
morning and dissipates. Its front moves eastward then stalls over
the Central Aleutians and central Bering through Sunday morning and 
weakens. A trough from the North Pacific enters the eastern Bering 
Sat night and drifts westward through Pribilof Islands through Sun 
afternoon

$$

PKZ411-180045-
Bering Sea Offshore West of 180 and East of the International
Dateline-
229 AM AKDT Sat Apr 17 2021

.TODAY...NW wind 15 to 30 kt becoming 25 kt in the afternoon. Seas
10 to 14 ft.
.TONIGHT...NW wind 10 to 20 kt. Seas 9 to 12 ft.
.SUN...NW wind 10 to 20 kt. Seas 7 ft.
.SUN NIGHT...N wind up to 15 kt. Seas 3 to 6 ft.
.MON THROUGH WED...N wind 10 to 25 kt. Seas 4 to 9 ft.

$$

PKZ412-180045-
Bering Sea Offshore 171W to 180 and North of 56N-
229 AM AKDT Sat Apr 17 2021

.TODAY...S wind 15 to 30 kt. Seas 8 to 13 ft. Rain.
.TONIGHT...S wind 10 to 20 kt. Seas 5 to 10 ft.
.SUN...E wind 10 to 20 kt. Seas 5 to 8 ft.
.SUN NIGHT...N wind 10 to 25 kt. Seas 6 ft.
.MON THROUGH WED...NE wind 15 to 30 kt. Seas 6 to 11 ft.

$$

PKZ413-180045-
Bering Sea Offshore 171W to 180 and South of 56N-
229 AM AKDT Sat Apr 17 2021

.TODAY...S wind 10 to 25 kt. Seas 5 to 10 ft. Rain.
.TONIGHT...SE wind 10 to 25 kt. Seas 5 to 10 ft.
.SUN...NE wind 10 to 20 kt. Seas 3 to 8 ft.
.SUN NIGHT...N wind 10 to 25 kt. Seas 5 to 8 ft.
.MON THROUGH WED...N wind 15 to 30 kt. Seas 6 to 11 ft.

$$

PKZ414-180045-
Bering Sea Offshore East of 171W-
229 AM AKDT Sat Apr 17 2021

.TODAY...SE wind 10 to 15 kt. Seas 4 ft.
.TONIGHT...NE wind 10 to 15 kt. Seas 4 ft.
.SUN...N wind 20 kt. Seas 5 ft.
.SUN NIGHT...N wind 15 to 30 kt. Seas 4 to 8 ft.
.MON THROUGH WED...NE wind 15 to 30 kt. Seas 6 to 11 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 15, 3:16 AM AKDTGale WarningAFC47 hr
Apr 15, 3:42 PM AKDTGale WarningAFC35 hr
Apr 15, 3:42 PM AKDTGale WarningAFC35 hr
Apr 15, 3:46 PM AKDTSmall Craft AdvisoryAFC24 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.