Storm Warning
Coastal Waters Forecast
National Weather Service Anchorage Alaska
347 AM AKST Thu Nov 20 2025
Coastal Waters Forecast for the Northern Gulf of Alaska Coast
up to 100 nm out including Kodiak Island and Cook Inlet.
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.
PKZ734-210200-
Marmot Island To Sitkinak from 15 to 85 NM-
347 AM AKST Thu Nov 20 2025
...STORM WARNING TODAY...
.TODAY...SW wind 50 kt. Seas 34 ft. Rain showers.
.TONIGHT...SW wind 40 kt. Seas 27 ft subsiding to 21 ft after
midnight.
.FRI...W wind 30 kt. Seas 17 ft.
.FRI NIGHT...W wind 25 kt. Seas 16 ft.
.SAT...NW wind 25 kt. Seas 15 ft.
.SUN...W wind 20 kt. Seas 8 ft.
.MON...SE wind 35 kt. Seas 12 ft.
$$
Offshore Waters Forecast
National Weather Service Anchorage AK
347 AM AKST Thu Nov 20 2025
Offshore waters forecast for the Gulf of Alaska West of 144W
Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.
PKZ352-210200-
Gulf of Alaska Offshore South of 57N North of 55N and West of
144W-
347 AM AKST Thu Nov 20 2025
...STORM WARNING TODAY...
.TODAY...SW wind 35 to 50 kt. Seas 18 to 33 ft.
.TONIGHT...SW wind 30 to 40 kt. Seas 20 to 30 ft.
.FRI...W wind 25 kt. Seas 17 to 21 ft.
.FRI NIGHT...W wind 25 kt. Seas 15 to 18 ft.
.SAT...W wind 15 to 30 kt. Seas 9 to 17 ft.
.SUN THROUGH MON...SE wind 20 to 35 kt. Seas 5 to 10 ft.
$$
Coastal Waters Forecast
National Weather Service Anchorage Alaska
324 AM AKST Thu Nov 20 2025
Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.
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.
PKZ753-210145-
Castle Cape to Cape Tolstoi from 15 to 100 NM-
324 AM AKST Thu Nov 20 2025
...STORM WARNING TODAY...
.TODAY...W wind 50 kt diminishing to 35 kt in the afternoon.
Seas 26 ft.
.TONIGHT...W wind 35 kt. Seas 19 ft. Rain showers and snow showers.
.FRI...W wind 30 kt increasing to 40 kt in the afternoon.
Seas 19 ft. Snow showers and rain showers.
.FRI NIGHT...W wind 30 kt. Seas 17 ft.
.SAT...NW wind 30 kt. Seas 13 ft.
.SUN...E wind 30 kt. Seas 7 ft.
.MON...SE wind 40 kt. Seas 15 ft.
$$
Coastal Waters Forecast
National Weather Service Anchorage Alaska
324 AM AKST Thu Nov 20 2025
Coastal Waters Forecast for Southwest Alaska+Bristol Bay+The
Alaska Peninsula Waters and the Aleutian Islands up to 100 nm out.
Wind forecasts reflect the predominant speed and direction
expected. Sea forecasts represent an average of the highest
one-third of the combined wind wave and swell height.
PKZ751-210145-
Sitkinak to Castle Cape from 15 to 100 NM-
324 AM AKST Thu Nov 20 2025
...STORM WARNING TODAY...
.TODAY...W wind 50 kt. Seas 31 ft.
.TONIGHT...W wind 35 kt. Seas 22 ft. Rain showers and snow showers.
.FRI...W wind 25 kt. Seas 17 ft. Snow showers and rain showers.
.FRI NIGHT...W wind 30 kt. Seas 17 ft.
.SAT...NW wind 30 kt. Seas 14 ft.
.SUN...NW wind 25 kt. Seas 7 ft.
.MON...SE wind 40 kt. Seas 15 ft.
$$
