Gale Warning 539, NWS Anchorage, AK

639 
FZAK61 PAFC 292324
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
Issued by National Weather Service Juneau AK
324 PM AKDT Wed Sep 29 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.

PKZ399-301445-
324 PM AKDT Wed Sep 29 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 988 mb low 250 nm Southeast of Middleton Island will remain nearly
stationary and dissipate Wed night. A Bering Sea low will move to
50 nm northwest of Kodiak City at 978 mb Thu morning and then 
move to 65 nm south of Seward at 982 mb Thu night.

$$

PKZ351-301445-
Gulf of Alaska Offshore North of 57N and West of 144W-
324 PM AKDT Wed Sep 29 2021

...GALE WARNING THURSDAY AND THURSDAY NIGHT...

.TONIGHT...NW wind 10 to 20 kt. Seas 7 to 10 ft.
.THU...SW wind 15 to 25 kt becoming S 20 to 35 kt in the
afternoon. Seas 7 to 12 ft. Widespread rain showers.
.THU NIGHT...SW wind 25 to 40 kt. Seas 12 to 20 ft. Rain showers.
.FRI...SE wind 15 to 30 kt. Seas 8 to 16 ft.
.FRI NIGHT...N wind 25 to 40 kt. Seas 11 to 19 ft.
.SAT...W wind 20 to 35 kt. Seas 12 to 20 ft.
.SUN THROUGH MON...E wind up to 15 kt. Seas 7 to 11 ft.

$$

PKZ352-301445-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
324 PM AKDT Wed Sep 29 2021

...GALE WARNING THURSDAY AND THURSDAY NIGHT...

.TONIGHT...W wind 15 to 30 kt. Seas 8 to 11 ft.
.THU...SW wind 25 to 40 kt. Seas 7 to 12 ft building to 10 to 18
ft in the afternoon. Widespread rain showers.
.THU NIGHT...SW wind 30 to 40 kt diminishing to 15 to 30 kt after
midnight. Seas 13 to 21 ft. Rain.
.FRI...N wind 25 to 40 kt. Seas 9 to 17 ft.
.FRI NIGHT...NW wind 35 to 50 kt. Seas 12 to 20 ft.
.SAT...W wind 30 to 45 kt. Seas 14 to 19 ft.
.SUN THROUGH MON...N wind up to 20 kt. Seas 6 to 11 ft.

$$

140 
FZAK61 PAFC 301140
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
340 AM AKDT Thu Sep 30 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.

PKZ399-010045-
340 AM AKDT Thu Sep 30 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 978 mb low will move to 59N 153W this afternoon and then to 59N
149W at 980 mb tonight. The low will remain nearly stationary and
then dissipate Fri afternoon.

$$

PKZ351-010045-
Gulf of Alaska Offshore North of 57N and West of 144W-
340 AM AKDT Thu Sep 30 2021

...GALE WARNING TONIGHT...

.TODAY...SW wind 15 to 30 kt. Seas 6 to 11 ft. Widespread rain
showers.
.TONIGHT...SW wind 20 to 35 kt. Seas 10 to 18 ft building to 16 to
21 ft after midnight. Rain showers.
.FRI...W wind 15 to 30 kt. Seas 10 to 18 ft.
.FRI NIGHT...W wind 15 to 30 kt. Seas 9 to 14 ft.
.SAT...W wind 20 to 35 kt. Seas 11 to 19 ft.
.SUN THROUGH MON...W wind up to 20 kt. Seas 7 to 12 ft.

$$

PKZ352-010045-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
340 AM AKDT Thu Sep 30 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...SW wind 20 to 35 kt. Seas 9 to 17 ft. Widespread rain
showers.
.TONIGHT...SW wind 25 to 40 kt. Seas 14 to 20 ft.
.FRI...NW wind 15 to 30 kt. Seas 9 to 17 ft.
.FRI NIGHT...W wind 25 to 35 kt. Seas 11 to 17 ft.
.SAT...W wind 20 to 35 kt. Seas 13 to 21 ft.
.SUN...NW wind 10 to 25 kt. Seas 9 to 14 ft.
.MON...NW wind up to 15 kt. Seas 6 to 9 ft.

$$

996 
FZAK61 PAFC 302355
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
355 PM AKDT Thu Sep 30 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.

PKZ399-011330-
355 PM AKDT Thu Sep 30 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 978 mb low moves to 59N 149W at 980 mb tonight. The low remains 
nearly stationary and then dissipates Fri afternoon.

$$

PKZ351-011330-
Gulf of Alaska Offshore North of 57N and West of 144W-
355 PM AKDT Thu Sep 30 2021

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

.TONIGHT...SW wind 25 to 40 kt. Seas 13 to 21 ft. Rain showers.
.FRI...W wind 15 to 30 kt. Seas 11 to 19 ft.
.FRI NIGHT...W wind 20 to 35 kt. Seas 9 to 17 ft.
.SAT...W wind 20 to 35 kt. Seas 14 to 20 ft.
.SAT NIGHT...W wind 15 to 30 kt. Seas 11 to 19 ft.
.SUN THROUGH MON...W wind up to 20 kt. Seas 7 to 12 ft.
.TUE...W wind 10 kt. Seas 4 ft.

$$

PKZ352-011330-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
355 PM AKDT Thu Sep 30 2021

...GALE WARNING THROUGH FRIDAY NIGHT...

.TONIGHT...SW wind 30 to 40 kt diminishing to 20 to 35 kt after
midnight. Seas 11 to 20 ft.
.FRI...W wind 10 to 25 kt becoming NW 20 to 35 kt in the
afternoon. Seas 12 to 17 ft subsiding to 11 ft in the afternoon.
.FRI NIGHT...W wind 25 to 35 kt. Seas 12 to 18 ft.
.SAT...W wind 25 to 40 kt. Seas 16 to 21 ft.
.SAT NIGHT...NW wind 20 to 35 kt. Seas 13 to 19 ft.
.SUN...NW wind 10 to 25 kt. Seas 9 to 14 ft.
.MON THROUGH TUE...W wind up to 15 kt. Seas 5 to 9 ft.

$$

092 
FZAK61 PAFC 011157
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
357 AM AKDT Fri Oct 1 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.

PKZ399-020045-
357 AM AKDT Fri Oct 1 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 978 mb low near 59N 14W will remain nearly stationary through 
Friday afternoon then dissipate by Saturday morning. An elongated 
984 mb low extends from the eastern Gulf to the northern Gulf by 
late Saturday morning, remains nearly stationary and weakens to 
1000 mb through Sunday morning.

$$

PKZ351-020045-
Gulf of Alaska Offshore North of 57N and West of 144W-
357 AM AKDT Fri Oct 1 2021

...GALE WARNING THROUGH SATURDAY...

.TODAY...W wind 15 to 35 kt. Seas 12 to 19 ft subsiding to 9 to
13 ft in the afternoon.
.TONIGHT...NW wind 15 to 35 kt. Seas 8 to 16 ft.
.SAT...W wind 20 to 35 kt. Seas 14 to 18 ft.
.SAT NIGHT...W wind 15 to 30 kt. Seas 10 to 17 ft.
.SUN...NW wind up to 20 kt. Seas 6 to 11 ft.
.MON THROUGH TUE...SW wind 15 kt. Seas 3 to 6 ft.

$$

PKZ352-020045-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
357 AM AKDT Fri Oct 1 2021

...GALE WARNING THROUGH SATURDAY...

.TODAY...W wind 10 to 25 kt becoming NW 20 to 35 kt in the
afternoon. Seas 10 to 16 ft.
.TONIGHT...W wind 25 to 40 kt. Seas 12 to 18 ft.
.SAT...W wind 25 to 40 kt. Seas 16 to 19 ft.
.SAT NIGHT...W wind 25 to 40 kt. Seas 13 to 19 ft.
.SUN...NW wind 10 to 25 kt. Seas 8 to 13 ft.
.MON THROUGH TUE...W wind up to 20 kt. Seas 3 to 8 ft.

$$

653 
FZAK61 PAFC 020001
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
401 PM AKDT Fri Oct 1 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.

PKZ399-021330-
401 PM AKDT Fri Oct 1 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 960 mb low at 55N 141W moves to 57N 138W at 961 mb Friday 
evening. The low continues to 60N 140W at 976 mb Friday night and
then to 60N 146W at 992 mb Saturday afternoon. The low then
meanders to 59N 144W while continuing to weaken through Sun 
afternoon.

$$

PKZ351-021330-
Gulf of Alaska Offshore North of 57N and West of 144W-
401 PM AKDT Fri Oct 1 2021

...GALE WARNING THROUGH SATURDAY...

.TONIGHT...NW wind 20 to 35 kt becoming W after midnight. Seas 9
to 17 ft.
.SAT...W wind 20 to 35 kt. Seas 13 to 20 ft.
.SAT NIGHT...W wind 15 to 30 kt becoming N 10 to 25 kt after
midnight. Seas 9 to 16 ft.
.SUN...N wind up to 20 kt. Seas 5 to 10 ft.
.SUN NIGHT...NW wind up to 15 kt. Seas 6 ft.
.MON THROUGH WED...S wind up to 20 kt. Seas 3 to 6 ft.

$$

PKZ352-021330-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
401 PM AKDT Fri Oct 1 2021

...GALE WARNING THROUGH SATURDAY NIGHT...

.TONIGHT...W wind 30 to 45 kt. Seas 12 to 20 ft.
.SAT...W wind 25 to 40 kt. Seas 17 to 21 ft.
.SAT NIGHT...W wind 25 to 40 kt diminishing to 20 to 30 kt after
midnight. Seas 12 to 19 ft.
.SUN...NW wind 15 to 30 kt. Seas 9 to 14 ft.
.SUN NIGHT...NW wind up to 20 kt. Seas 5 to 9 ft.
.MON THROUGH WED...SW wind up to 20 kt. Seas 3 to 8 ft.

$$

189 
FZAK61 PAFC 021126
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
326 AM AKDT Sat Oct 2 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.

PKZ399-030100-
326 AM AKDT Sat Oct 2 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A trough of low pressure over the northern Gulf persists through
late Sun night. High pressure builds into the southwestern Gulf
Sun night.

$$

PKZ351-030100-
Gulf of Alaska Offshore North of 57N and West of 144W-
326 AM AKDT Sat Oct 2 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...W wind 20 to 35 kt. Seas 14 to 19 ft.
.TONIGHT...W wind 20 to 35 kt diminishing to 10 to 25 kt after
midnight. Seas 9 to 17 ft.
.SUN...NE wind 10 to 25 kt. Seas 6 to 11 ft.
.SUN NIGHT...N wind up to 15 kt. Seas 4 to 8 ft.
.MON THROUGH TUE...SW wind up to 15 kt. Seas 4 ft.
.WED...SW wind 25 kt. Seas 5 to 8 ft.

$$

PKZ352-030100-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
326 AM AKDT Sat Oct 2 2021

...GALE WARNING THROUGH TONIGHT...

.TODAY...W wind 25 to 40 kt. Seas 17 to 20 ft.
.TONIGHT...W wind 25 to 40 kt. Seas 13 to 19 ft.
.SUN...NW wind 15 to 30 kt. Seas 9 to 14 ft.
.SUN NIGHT...N wind up to 20 kt. Seas 6 to 10 ft.
.MON THROUGH WED...SW wind 10 to 25 kt. Seas 4 to 7 ft.

$$

084 
FZAK61 PAFC 022357
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
357 PM AKDT Sat Oct 2 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.

PKZ399-031400-
357 PM AKDT Sat Oct 2 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 993 mb low 60N 146W will dissipate and move into the eastern Gulf 
Sun. High pressure builds in from the south through Mon.

$$

PKZ351-031400-
Gulf of Alaska Offshore North of 57N and West of 144W-
357 PM AKDT Sat Oct 2 2021

...GALE WARNING TONIGHT...

.TONIGHT...W wind 20 to 35 kt. Seas 10 to 18 ft.
.SUN...N wind 10 to 25 kt becoming NE up to 15 kt in the
afternoon. Seas 6 to 11 ft.
.SUN NIGHT...NW wind up to 15 kt. Seas 6 ft.
.MON...W wind up to 10 kt. Seas 4 ft.
.MON NIGHT...SW wind 10 kt. Seas 4 ft.
.TUE THROUGH WED...SW wind 10 to 25 kt. Seas 4 to 8 ft.
.THU...W wind 15 to 25 kt. Seas 9 ft.

$$

PKZ352-031400-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
357 PM AKDT Sat Oct 2 2021

...GALE WARNING THROUGH SUNDAY...

.TONIGHT...W wind 25 to 40 kt. Seas 14 to 20 ft.
.SUN...NW wind 20 to 35 kt. Seas 9 to 16 ft.
.SUN NIGHT...N wind 10 to 20 kt. Seas 7 to 10 ft.
.MON...W wind up to 15 kt. Seas 4 to 7 ft.
.MON NIGHT...W wind 15 kt. Seas 5 ft.
.TUE THROUGH THU...W wind 10 to 25 kt. Seas 5 to 10 ft.

$$

961 
FZAK61 PAFC 031212
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
412 AM AKDT Sun Oct 3 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.

PKZ399-040100-
412 AM AKDT Sun Oct 3 2021
.SYNOPSIS FOR THE WESTERN GULF OF ALASKA...

A 1001 mb low near 59N 146W becomes a trough of low pressure
today. A front moves into the southwestern Gulf late Mon night.

$$

PKZ351-040100-
Gulf of Alaska Offshore North of 57N and West of 144W-
412 AM AKDT Sun Oct 3 2021

.TODAY...NW wind 10 to 25 kt. Seas 7 to 11 ft.
.TONIGHT...NW wind 10 to 20 kt. Seas 5 to 8 ft.
.MON...SW wind up to 10 kt. Seas 4 ft.
.MON NIGHT...SW wind up to 15 kt. Seas 4 ft.
.TUE THROUGH WED...S wind up to 20 kt. Seas 3 to 7 ft.
.THU...W wind 15 to 25 kt. Seas 5 to 8 ft.

$$

PKZ352-040100-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
412 AM AKDT Sun Oct 3 2021

.TODAY...NW wind 15 to 30 kt. Seas 9 to 14 ft.
.TONIGHT...NW wind 10 to 20 kt. Seas 6 to 11 ft.
.MON...W wind 10 to 15 kt. Seas 4 to 7 ft.
.MON NIGHT...SW wind up to 15 kt. Seas 4 ft.
.TUE THROUGH WED...SW wind 10 to 20 kt. Seas 3 to 8 ft.
.THU...W wind 15 to 25 kt. Seas 5 to 8 ft.

$$