


Offshore Forecast
Issued by NWS
Issued by NWS
698 FZAK61 PAFC 212336 OFFAER Offshore Waters Forecast National Weather Service Anchorage AK 336 PM AKDT Thu Aug 21 2025 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. PKZ399-221315- 336 PM AKDT Thu Aug 21 2025 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 1007 mb North Pacific low lingers near 51N 146W then weakens to 1014 mb through Sat afternoon $$ PKZ351-221315- Gulf of Alaska Offshore North of 57N and West of 144W- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...NE wind 15 to 25 kt. Seas 8 ft. .FRI...NE wind 15 to 25 kt. Seas 8 ft. .FRI NIGHT...NE wind 10 to 25 kt. Seas 7 ft. .SAT...NE wind up to 15 kt. Seas 4 ft. .SAT NIGHT...Variable wind 10 kt. Seas 3 ft. .SUN THROUGH TUE...SW wind up to 15 kt. Seas 3 ft. $$ PKZ352-221315- Gulf of Alaska Offshore South of 57N North of 55N and West of 144W- 336 PM AKDT Thu Aug 21 2025 .TONIGHT...NE wind 25 kt. Seas 9 ft. .FRI...NE wind 15 to 30 kt. Seas 9 ft. .FRI NIGHT...NE wind 10 to 25 kt. Seas 5 to 8 ft. .SAT...NE wind up to 20 kt. Seas 5 ft. .SAT NIGHT...NE wind up to 10 kt. Seas 4 ft. .SUN THROUGH TUE...S wind up to 15 kt. Seas 4 ft. $$