Alert archive / Alaska / Gale Warnings in 2021

Gale Warning 409, NWS Anchorage, AK

May 18, 2021

NWS Anchorage, AK issued this gale warning at May 18, 2021, 3:47 PM 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
May 18, 2021, 3:47 PM AKDT (23:47 UTC)
Expired
May 20, 2021, 3:40 AM AKDT
In force
36 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

935 
FZAK62 PAFC 182347
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
347 PM AKDT Tue May 18 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.

PKZ499-191230-
347 PM AKDT Tue May 18 2021
.SYNOPSIS FOR CENTRAL BERING SEA...A 1001 mb low at 50N 168W
moves to 49N 165W at 987 mb Thu morning then shifts to 53N 161W 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.

$$

PKZ411-191230-
Bering Sea Offshore West of 180 and East of the International
Dateline-
347 PM AKDT Tue May 18 2021

.TONIGHT...S wind 10 to 15 kt. Seas 5 ft.
.WED...S wind 10 to 15 kt. Seas 5 ft.
.WED NIGHT...S wind 10 to 25 kt. Seas 6 ft.
.THU...W wind 15 to 30 kt. Seas 6 to 9 ft.
.THU NIGHT...W wind 10 to 25 kt. Seas 5 to 9 ft.
.FRI THROUGH SUN...S wind up to 20 kt. Seas 3 to 8 ft.

$$

PKZ412-191230-
Bering Sea Offshore 171W to 180 and North of 56N-
347 PM AKDT Tue May 18 2021

.TONIGHT...E wind 10 to 15 kt. Seas 5 ft.
.WED...N to E wind 10 to 25 kt. Seas 4 to 7 ft.
.WED NIGHT...NE wind 10 to 25 kt. Seas 4 to 7 ft.
.THU...N to S wind 10 to 25 kt. Seas 4 to 7 ft.
.THU NIGHT...W wind 10 to 25 kt. Seas 5 to 8 ft.
.FRI...W wind up to 20 kt. Seas 5 to 8 ft.
.SAT THROUGH SUN...SE wind 10 to 20 kt. Seas 4 to 8 ft.

$$

PKZ413-191230-
Bering Sea Offshore 171W to 180 and South of 56N-
347 PM AKDT Tue May 18 2021

.TONIGHT...NE wind 10 to 25 kt. Seas 3 to 7 ft.
.WED...N wind 15 to 30 kt. Seas 5 to 10 ft.
.WED NIGHT...N wind 15 to 30 kt. Seas 5 to 10 ft.
.THU...N to S wind 10 to 25 kt. Seas 5 to 10 ft.
.THU NIGHT...W wind 20 kt. Seas 7 ft.
.FRI...SW wind 10 to 25 kt. Seas 6 ft.
.SAT THROUGH SUN...SE wind 10 to 20 kt. Seas 4 to 8 ft.

$$

PKZ414-191230-
Bering Sea Offshore East of 171W-
347 PM AKDT Tue May 18 2021

...GALE WARNING WEDNESDAY NIGHT...

.TONIGHT...NE wind 10 to 25 kt. Seas 4 to 9 ft.
.WED...NE wind 20 to 30 kt. Seas 5 to 10 ft.
.WED NIGHT...N wind 20 to 35 kt. Seas 7 to 12 ft. Rain.
.THU...N wind 15 to 30 kt. Seas 6 to 11 ft.
.THU NIGHT...NW wind 15 to 25 kt. Seas 5 to 9 ft.
.FRI...NW wind 10 to 25 kt. Seas 4 to 7 ft.
.SAT THROUGH SUN...SE wind up to 20 kt. Seas 5 ft.

$$
3 follow-up statements
653 
FZAK62 PAFC 191127
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
327 AM AKDT Wed May 19 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.

PKZ499-200145-
327 AM AKDT Wed May 19 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

A 996 mb low at 51N 167W moves to 50N 164W at 986 mb Wed night.
The low continues to 54N 156W 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.

$$

PKZ411-200145-
Bering Sea Offshore West of 180 and East of the International
Dateline-
327 AM AKDT Wed May 19 2021

.TODAY...S wind 10 to 15 kt. Seas 5 ft.
.TONIGHT...S wind 10 to 20 kt. Seas 5 ft.
.THU...SW wind 20 kt. Seas 6 ft.
.THU NIGHT...W wind 10 to 20 kt. Seas 7 ft.
.FRI...SE wind 10 to 25 kt. Seas 4 to 7 ft.
.SAT...E wind 10 to 25 kt. Seas 5 to 10 ft.
.SUN...N wind 10 to 25 kt. Seas 8 to 13 ft.

$$

PKZ412-200145-
Bering Sea Offshore 171W to 180 and North of 56N-
327 AM AKDT Wed May 19 2021

.TODAY...NE wind 10 to 25 kt. Seas 5 ft.
.TONIGHT...NE wind 10 to 25 kt. Seas 4 to 7 ft.
.THU...N wind 10 to 25 kt becoming W up to 20 kt in the afternoon.
Seas 4 to 7 ft.
.THU NIGHT...W wind 10 to 20 kt. Seas 6 ft.
.FRI...W wind up to 20 kt. Seas 5 to 8 ft.
.SAT THROUGH SUN...E wind 15 to 30 kt. Seas 6 to 11 ft.

$$

PKZ413-200145-
Bering Sea Offshore 171W to 180 and South of 56N-
327 AM AKDT Wed May 19 2021

.TODAY...N wind 15 to 30 kt. Seas 4 to 9 ft.
.TONIGHT...N wind 15 to 30 kt. Seas 5 to 10 ft.
.THU...W wind 15 to 30 kt. Seas 5 to 10 ft.
.THU NIGHT...W wind 10 to 20 kt. Seas 5 to 8 ft.
.FRI...SW wind up to 20 kt. Seas 4 to 7 ft.
.SAT THROUGH SUN...SE wind 15 to 30 kt. Seas 6 to 11 ft.

$$

PKZ414-200145-
Bering Sea Offshore East of 171W-
327 AM AKDT Wed May 19 2021

...GALE WARNING TONIGHT...

.TODAY...NE wind 20 to 30 kt. Seas 5 to 10 ft.
.TONIGHT...N wind 20 to 35 kt. Seas 7 to 12 ft. Rain.
.THU...N wind 20 to 30 kt. Seas 7 to 11 ft.
.THU NIGHT...NW wind 15 to 25 kt. Seas 5 to 9 ft.
.FRI...W wind 10 to 25 kt. Seas 3 to 7 ft.
.SAT THROUGH SUN...SE wind 15 to 30 kt. Seas 5 to 10 ft.

$$
193 
FZAK62 PAFC 192356
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
356 PM AKDT Wed May 19 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.

PKZ499-201245-
356 PM AKDT Wed May 19 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

A 996 mb low at 51N 167W moves to 54N 154W by Thu night. Another 
1004 mb low southwest of the Bering Sea at 42N 156W will 
gradually shift eastward bringing a front through the Western 
Aleutians and western Bering Thu evening.

$$

PKZ411-201245-
Bering Sea Offshore West of 180 and East of the International
Dateline-
356 PM AKDT Wed May 19 2021

.TONIGHT...S wind 10 to 20 kt. Seas 3 to 7 ft.
.THU...W wind 10 to 20 kt. Seas 7 ft.
.THU NIGHT...W wind up to 20 kt becoming SW after midnight. Seas
7 ft.
.FRI...S wind up to 20 kt. Seas 5 ft.
.FRI NIGHT...SE wind 10 to 20 kt. Seas 4 to 8 ft.
.SAT...SE wind 10 to 25 kt. Seas 6 to 10 ft.
.SUN THROUGH MON...NW wind 10 to 25 kt. Seas 7 to 12 ft.

$$

PKZ412-201245-
Bering Sea Offshore 171W to 180 and North of 56N-
356 PM AKDT Wed May 19 2021

.TONIGHT...NE wind 10 to 25 kt. Seas 4 to 7 ft.
.THU...N wind 10 to 25 kt becoming W up to 20 kt in the afternoon.
Seas 4 to 7 ft.
.THU NIGHT...W wind 10 to 20 kt. Seas 6 ft.
.FRI...W wind 10 to 20 kt. Seas 6 ft.
.FRI NIGHT...S wind up to 20 kt. Seas 5 ft.
.SAT THROUGH SUN...E wind 15 to 30 kt. Seas 6 to 11 ft.
.MON...NE wind 15 kt. Seas 6 ft.

$$

PKZ413-201245-
Bering Sea Offshore 171W to 180 and South of 56N-
356 PM AKDT Wed May 19 2021

.TONIGHT...N wind 15 to 30 kt. Seas 5 to 10 ft.
.THU...W wind 15 to 30 kt. Seas 5 to 10 ft.
.THU NIGHT...W wind 20 kt. Seas 7 ft.
.FRI...W wind up to 20 kt. Seas 5 ft.
.FRI NIGHT...S wind 10 to 20 kt. Seas 5 ft.
.SAT THROUGH SUN...SE wind 15 to 30 kt. Seas 6 to 11 ft.
.MON...SW wind up to 15 kt. Seas 5 ft.

$$

PKZ414-201245-
Bering Sea Offshore East of 171W-
356 PM AKDT Wed May 19 2021

...GALE WARNING TONIGHT...

.TONIGHT...N wind 20 to 35 kt. Seas 7 to 12 ft. Rain.
.THU...N wind 20 to 30 kt. Seas 7 to 11 ft.
.THU NIGHT...NW wind 15 to 25 kt. Seas 5 to 9 ft.
.FRI...NW wind 15 to 25 kt. Seas 6 ft.
.FRI NIGHT...W wind up to 20 kt. Seas 5 ft.
.SAT THROUGH MON...E wind 15 to 30 kt. Seas 5 to 10 ft.

$$
868 
FZAK62 PAFC 201140
OFFALU

Offshore Waters Forecast
National Weather Service Anchorage AK
340 AM AKDT Thu May 20 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.

PKZ499-210100-
340 AM AKDT Thu May 20 2021
.SYNOPSIS FOR CENTRAL BERING SEA...

A 986 mb low at 51N 164W moves to 56N 153W at 1001 mb Fri
afternoon and then exits to the Gulf. A 998 mb low at 57N 166E Fri
morning moves to 53N 173E Fri night which will begin to phase
with another 1000 mb low moving north over the North Pacific.

$$

PKZ411-210100-
Bering Sea Offshore West of 180 and East of the International
Dateline-
340 AM AKDT Thu May 20 2021

.TODAY...W wind 10 to 20 kt. Seas 7 ft.
.TONIGHT...W wind up to 20 kt becoming SW after midnight. Seas 7
ft.
.FRI...S wind 10 to 20 kt. Seas 6 ft.
.FRI NIGHT...SE wind 10 to 20 kt. Seas 4 to 8 ft.
.SAT...E wind 10 to 25 kt. Seas 6 to 10 ft.
.SUN THROUGH MON...N wind 10 to 20 kt. Seas 6 to 10 ft.

$$

PKZ412-210100-
Bering Sea Offshore 171W to 180 and North of 56N-
340 AM AKDT Thu May 20 2021

.TODAY...N wind 10 to 25 kt becoming W up to 20 kt in the
afternoon. Seas 4 to 7 ft.
.TONIGHT...W wind 10 to 20 kt. Seas 6 ft.
.FRI...W wind 10 to 20 kt. Seas 6 ft.
.FRI NIGHT...S wind up to 20 kt. Seas 5 ft.
.SAT THROUGH MON...NE wind 15 to 30 kt. Seas 5 to 10 ft.

$$

PKZ413-210100-
Bering Sea Offshore 171W to 180 and South of 56N-
340 AM AKDT Thu May 20 2021

.TODAY...W wind 15 to 30 kt. Seas 7 to 12 ft.
.TONIGHT...W wind 20 kt. Seas 7 ft.
.FRI...W wind 10 to 20 kt. Seas 6 ft.
.FRI NIGHT...S wind 10 to 20 kt. Seas 5 ft.
.SAT...SE wind 15 to 30 kt. Seas 5 to 10 ft.
.SUN...E wind 10 to 20 kt. Seas 7 to 10 ft.
.MON...NE wind 15 kt. Seas 5 to 8 ft.

$$

PKZ414-210100-
Bering Sea Offshore East of 171W-
340 AM AKDT Thu May 20 2021

.TODAY...N wind 20 to 30 kt. Seas 7 to 11 ft.
.TONIGHT...NW wind 15 to 25 kt. Seas 5 to 9 ft.
.FRI...NW wind 15 to 25 kt. Seas 6 ft.
.FRI NIGHT...W wind up to 20 kt. Seas 5 ft.
.SAT THROUGH MON...E wind 15 to 30 kt. Seas 5 to 10 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 3:36 AM AKDTSmall Craft AdvisoryAFC31 hr
May 18, 3:42 AM AKDTGale WarningAFC60 hr
May 18, 3:42 AM AKDTSmall Craft AdvisoryAFC4 days
May 18, 3:40 PM AKDTGale WarningAFC19 hr
May 18, 3:40 PM AKDTSmall Craft AdvisoryAFC60 hr
May 18, 3:58 PM AKDTGale WarningAFC24 hr
May 18, 3:58 PM AKDTSmall Craft AdvisoryAFC72 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.