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. .TONIGHT...SW wind 20 kt. Seas 4 ft. .MON...S wind 15 kt. Seas 3 ft. .MON NIGHT...S wind 20 kt becoming SW 30 kt after midnight. Seas 3 ft. .TUE...W wind 30 kt. Seas 8 ft. .TUE NIGHT...W wind 25 kt. Seas 7 ft. .WED...W wind 20 kt. Seas 5 ft. .THU THROUGH FRI...SW wind 15 kt. Seas 4 ft.