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...W wind 25 kt. Seas 9 ft. .TONIGHT...W wind 25 kt. Seas 9 ft. .TUE...SW wind 25 kt increasing to 35 kt in the afternoon. Seas 7 ft building to 11 ft in the afternoon. .TUE NIGHT...SW wind 30 kt. Seas 11 ft. .WED...SW wind 30 kt. Seas 11 ft. .THU...S wind 25 kt. Seas 9 ft. .FRI...S wind 20 kt. Seas 7 ft.