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. .TONIGHT...E wind 25 kt. Seas 4 ft building to 6 ft after midnight. .FRI...E wind 30 kt. Seas 7 ft. Rain. .FRI NIGHT...E wind 35 kt. Seas 9 ft. Rain showers. .SAT AND SAT NIGHT...E wind 30 kt. Seas 7 ft. .SUN...E wind 25 kt. Seas 4 ft. .MON...NE wind 15 kt. Seas 3 ft. .TUE...NE wind 10 kt. Seas 2 ft.