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...S wind 25 kt. Seas 6 ft. Rain. .TONIGHT...S wind 25 kt. Seas 10 ft. Rain. .WED...SE wind 25 kt. Seas 13 ft. Rain. .WED NIGHT...W wind 40 kt. Seas 15 ft. .THU...W wind 50 kt. Seas 27 ft. .FRI...W wind 35 kt. Seas 17 ft. .SAT...W wind 25 kt. Seas 14 ft.