National Weather Service Marine Forecast FZAK61 PAFC

FZAK61 PAFC 182237
OFFAER

Offshore Waters Forecast
National Weather Service Anchorage AK
237 PM AKDT Sat Apr 18 2026

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.

PKZ399-191215
237 PM AKDT Sat Apr 18 2026

SYNOPSIS FOR THE WESTERN GULF OF ALASKA

A 1010 mb low near 59N 147W will dissipate Sat afternoon. A front will move through the Gulf from west to east Sat evening and night. Another front will follow a similar track Sun.

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PKZ351-191215
Gulf of Alaska Offshore North of 57N and West of 144W
237 PM AKDT Sat Apr 18 2026

TONIGHT
W wind 15 kt becoming SW after midnight. Seas 7 ft.

SUN
SW wind 15 to 30 kt. Seas 6 to 10 ft.

SUN NIGHT
W wind 25 kt. Seas 9 to 13 ft.

MON
SW wind 25 kt. Seas 10 ft.

MON NIGHT
SW wind 20 to 30 kt. Seas 9 to 12 ft.

TUE THROUGH THU
S wind 10 to 25 kt. Seas 6 to 11 ft.

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PKZ352-191215
Gulf of Alaska Offshore South of 57N North of 55N and West of 144W
237 PM AKDT Sat Apr 18 2026

TONIGHT
SW wind 10 to 25 kt. Seas 7 ft.

SUN
SW wind 15 to 25 kt. Seas 7 to 11 ft.

SUN NIGHT
W wind 25 kt. Seas 8 to 13 ft.

MON
W wind 15 to 25 kt. Seas 11 ft.

MON NIGHT
W wind 15 to 25 kt. Seas 9 to 13 ft.

TUE THROUGH THU
S wind 10 to 25 kt. Seas 7 to 12 ft.