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 10 kt increasing to 15 kt in the afternoon. Seas 2 ft building to 5 ft in the afternoon. .TONIGHT...SE wind 20 kt increasing to 30 kt after midnight. Gusts to 40 kt after midnight. Seas 6 ft building to 10 ft after midnight. Rain showers. .TUE...SE wind 30 kt becoming SW 25 kt in the afternoon. Gusts to 40 kt in the morning. Seas 10 ft subsiding to 5 ft in the afternoon. Rain showers. .TUE NIGHT...SW wind 25 kt. Seas 5 ft. .WED...SW wind 30 kt. Seas 8 ft. .THU...W wind 20 kt. Seas 7 ft. .FRI...W wind 15 kt. Seas 4 ft.