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. .TODAY...W wind 15 kt. Seas 2 ft. .TONIGHT...S wind 15 kt becoming SE 25 kt after midnight. Seas 3 ft building to 6 ft after midnight. Widespread rain showers. .TUE...SE wind 25 kt. Seas 6 ft subsiding to 4 ft in the afternoon. Widespread rain showers. .TUE NIGHT...SE wind 20 kt. Seas 4 ft. .WED...E wind 20 kt. Seas 4 ft. .THU...SE wind 10 kt. Seas 2 ft. .FRI...Variable wind less than 10 kt. Seas 2 ft.