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. .TODAY...SW wind 15 kt becoming S 25 kt in the afternoon. Seas 5 ft. Rain. .TONIGHT...SE wind 30 kt. Seas 10 ft. Rain. .TUE...SW wind 20 kt. Seas 10 ft. .TUE NIGHT...W wind 20 kt. Seas 9 ft. .WED...W wind 35 kt. Seas 13 ft. .THU THROUGH FRI...W wind 30 kt. Seas 13 ft.