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...Variable wind less than 10 kt becoming S 15 kt in the afternoon. Seas 2 ft. .TONIGHT...S wind 20 kt. Seas 2 ft. Rain. .TUE...S wind 25 kt. Seas 4 ft. .TUE NIGHT...SW wind 25 kt. Seas 4 ft. .WED THROUGH FRI...SW wind 10 kt. Seas 3 ft.