Alert archive / Alaska / Gale Warnings in 2021

Gale Warning 339, NWS Anchorage, AK

April 12, 2021

NWS Anchorage, AK issued this gale warning at Apr 12, 2021, 3:43 PM AKDT. It was in force for 48 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 12, 2021, 3:43 PM AKDT (23:43 UTC)
Expired
Apr 14, 2021, 3:18 PM AKDT
In force
48 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

816 
FZAK61 PAFC 122343
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
343 PM AKDT Mon Apr 12 2021

Offshore waters forecast for the Gulf of Alaska West of 144W

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.

PKZ399-131400-
343 PM AKDT Mon Apr 12 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 993 mb North Pacific low Tue afternoon moves to 56N 150W at 989 mb
then continues inland over Cook Inlet at 1010 mb Wed afternoon. Its 
front moves to the North Gulf Coast by Wed afternoon.

$$

PKZ351-131400-
Gulf of Alaska Offshore North of 57N and West of 144W-
343 PM AKDT Mon Apr 12 2021

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...SW wind 10 to 15 kt. Seas 9 ft.
.TUE...SE wind 15 to 30 kt. Seas 7 to 10 ft.
.TUE NIGHT...E wind 25 to 35 kt becoming S 30 to 45 kt after
midnight. Seas 9 to 13 ft building to 11 to 19 ft after midnight.
.WED...SW wind 30 to 45 kt. Seas 15 to 21 ft.
.WED NIGHT...SE wind 20 kt. Seas 10 to 16 ft.
.THU...E wind 10 to 20 kt. Seas 7 to 11 ft.
.FRI THROUGH SAT...NE wind 15 kt. Seas 3 to 6 ft.

$$

PKZ352-131400-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
343 PM AKDT Mon Apr 12 2021

...GALE WARNING TUESDAY NIGHT...

.TONIGHT...SW wind 10 to 20 kt. Seas 10 ft.
.TUE...E wind 15 to 30 kt. Seas 7 to 10 ft. Rain.
.TUE NIGHT...E wind 25 to 40 kt becoming SW 30 to 45 kt after
midnight. Seas 11 to 19 ft.
.WED...S wind 15 to 30 kt. Seas 10 to 18 ft.
.WED NIGHT...S wind 10 to 20 kt. Seas 9 to 13 ft.
.THU THROUGH FRI...NE wind 10 to 20 kt. Seas 5 to 9 ft.
.SAT...NE wind 20 kt. Seas 4 ft.

$$
4 follow-up statements
835 
FZAK61 PAFC 131156
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
356 AM AKDT Tue Apr 13 2021

Offshore waters forecast for the Gulf of Alaska West of 144W

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.

PKZ399-140130-
356 AM AKDT Tue Apr 13 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A North Pacific low Tue evening moves to 55N 149W at 992 mb then 
moves to 57N 150W at 991 mb by Wed morning and moves inland Wed
evening. Another North Pacific low approaches 55N 152W at 1011 mb
Thursday morning.

$$

PKZ351-140130-
Gulf of Alaska Offshore North of 57N and West of 144W-
356 AM AKDT Tue Apr 13 2021

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...SE wind 10 to 25 kt. Seas 8 ft. Rain.
.TONIGHT...NE to SE wind 30 to 45 kt. Seas 9 to 17 ft. Rain.
.WED...S wind 30 to 45 kt diminishing to 25 to 35 kt 
in the afternoon. Seas 13 to 21 ft.
.WED NIGHT...S wind 10 to 25 kt. Seas 9 to 14 ft.
.THU...E wind up to 20 kt. Seas 6 to 11 ft.
.FRI THROUGH SAT...NE wind 10 to 20 kt. Seas 4 to 7 ft.

$$

PKZ352-140130-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
356 AM AKDT Tue Apr 13 2021

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...SE wind up to 15 kt becoming E 20 to 35 kt 
in the afternoon. Seas 6 to 9 ft. Rain.
.TONIGHT...NE to SE wind 25 to 40 kt becoming S to W 
wind 35 to 45 kt after midnight. Seas 10 to 18 ft.
.WED...SW wind 30 to 45 kt becoming S 15 to 25 kt 
in the afternoon. Seas 11 to 19 ft.
.WED NIGHT...SE wind 10 to 20 kt. Seas 8 to 11 ft.
.THU THROUGH SAT...NE wind 10 to 25 kt. Seas 5 to 10 ft.

$$
315 
FZAK61 PAFC 132342
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
342 PM AKDT Tue Apr 13 2021

Offshore waters forecast for the Gulf of Alaska West of 144W

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.

PKZ399-141300-
342 PM AKDT Tue Apr 13 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 994 mb North Pacific low moves to 61N 151W for Wed afternoon 
and inland Thu morning. Its front moves over the North Gulf Coast 
through Wed afternoon. A 1015 mb North Pacific low approaches the 
Southwest Gulf by Thu afternoon.

$$

PKZ351-141300-
Gulf of Alaska Offshore North of 57N and West of 144W-
342 PM AKDT Tue Apr 13 2021

...GALE WARNING THROUGH WEDNESDAY...

.TONIGHT...SE wind 25 to 40 kt. Seas 8 to 13 ft. Rain.
.WED...S wind 25 to 40 kt. Seas 11 to 19 ft.
.WED NIGHT...S wind 15 to 25 kt. Seas 9 to 14 ft subsiding to 8 ft
after midnight.
.THU...SE wind 10 to 20 kt. Seas 7 ft.
.THU NIGHT...E wind 10 kt. Seas 6 ft.
.FRI THROUGH SUN...E wind 10 to 20 kt. Seas 4 to 7 ft.

$$

PKZ352-141300-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
342 PM AKDT Tue Apr 13 2021

...GALE WARNING THROUGH WEDNESDAY...

.TONIGHT...E wind 20 to 35 kt becoming S 25 to 40 kt after
midnight. Seas 8 to 12 ft building to 10 to 18 ft after midnight. 
Rain.
.WED...SW wind 25 to 40 kt becoming S 15 to 25 kt in the
afternoon. Seas 10 to 18 ft.
.WED NIGHT...SE wind 10 to 20 kt. Seas 7 to 11 ft.
.THU...S wind up to 20 kt. Seas 7 ft.
.THU NIGHT...E wind 15 kt. Seas 7 ft.
.FRI THROUGH SUN...E wind 10 to 25 kt. Seas 5 to 10 ft.

$$
665 
FZAK61 PAFC 141054
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
254 AM AKDT Wed Apr 14 2021

Offshore waters forecast for the Gulf of Alaska West of 144W

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.

PKZ399-150100-
254 AM AKDT Wed Apr 14 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 994 mb low at 57N 149W moves to 61N 151W for Wed afternoon 
and inland Wed evening. Its front moves over the North Gulf Coast 
through Wed afternoon. A 1010 mb North Pacific low approaches the 
Southwest Gulf by Thu afternoon and weakens Fri morning.

$$

PKZ351-150100-
Gulf of Alaska Offshore North of 57N and West of 144W-
254 AM AKDT Wed Apr 14 2021

...GALE WARNING TODAY...

.TODAY...S wind 30 to 45 kt. Seas 10 to 18 ft.
.TONIGHT...S wind 15 to 25 kt. Seas 9 to 14 ft.
.THU...SE wind 20 kt. Seas 8 ft.
.THU NIGHT...E wind up to 15 kt. Seas 6 ft.
.FRI THROUGH SAT...N wind up to 15 kt. Seas 3 to 6 ft.
.SUN...E wind 20 kt. Seas 3 to 6 ft.

$$

PKZ352-150100-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
254 AM AKDT Wed Apr 14 2021

...GALE WARNING TODAY...

.TODAY...SW wind 30 to 45 kt becoming S 15 to 30 kt 
in the afternoon. Seas 10 to 18 ft.
.TONIGHT...SE wind 10 to 20 kt. Seas 8 to 11 ft.
.THU...SE wind 10 to 20 kt. Seas 8 ft.
.THU NIGHT...E wind up to 15 kt. Seas 5 to 8 ft.
.FRI THROUGH SUN...E wind 10 to 25 kt. Seas 4 to 9 ft.

$$
707 
FZAK61 PAFC 142318
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
Issued by National Weather Service Juneau AK
318 PM AKDT Wed Apr 14 2021

Offshore waters forecast for the Gulf of Alaska West of 144W

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.

PKZ399-151215-
318 PM AKDT Wed Apr 14 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...
A 994 mb low moves inland Wed evening and weakens overnight. A 1010 
mb North Pacific low approaches the Southwest Gulf by Thu afternoon 
and weakens Fri morning.

$$

PKZ351-151215-
Gulf of Alaska Offshore North of 57N and West of 144W-
318 PM AKDT Wed Apr 14 2021

.TONIGHT...S wind 15 to 25 kt. Seas 9 to 14 ft.
.THU...SE wind 20 kt. Seas 8 ft.
.THU NIGHT...E wind 10 to 15 kt. Seas 6 ft.
.FRI...NE wind 10 kt. Seas 3 to 6 ft.
.FRI NIGHT...NE wind 10 kt. Seas 3 ft.
.SAT THROUGH SUN...E wind up to 20 kt. Seas 3 to 6 ft.
.MON...SE wind 10 to 20 kt. Seas 6 to 11 ft.

$$

PKZ352-151215-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
318 PM AKDT Wed Apr 14 2021

.TONIGHT...SE wind 10 to 20 kt. Seas 8 to 11 ft.
.THU...S wind 10 to 20 kt. Seas 8 ft.
.THU NIGHT...E wind 10 to 15 kt. Seas 7 ft.
.FRI...E wind up to 15 kt. Seas 3 to 6 ft.
.FRI NIGHT...NE wind 15 kt. Seas 4 ft.
.SAT THROUGH SUN...E wind 10 to 25 kt. Seas 5 to 10 ft.
.MON...SE wind 15 to 25 kt. Seas 12 ft.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 12, 3:17 AM AKDTGale WarningAFC25 hr
Apr 12, 3:53 AM AKDTGale WarningAFC12 hr
Apr 12, 3:53 AM AKDTGale WarningAFC12 hr
Apr 12, 3:51 PM AKDTGale WarningAFC48 hr
Apr 12, 3:51 PM AKDTSmall Craft AdvisoryAFC48 hr
Apr 12, 3:54 PM AKDTSmall Craft AdvisoryAFC4 days

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.