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 10 kt becoming E in the afternoon. Seas 2 ft. .TONIGHT...SE wind 20 kt. Seas 2 ft. .WED...SE wind 20 kt increasing to 30 kt in the afternoon. Seas 2 ft building to 4 ft in the afternoon. Rain. .WED NIGHT...S wind 40 kt. Seas 5 ft. .THU...SW wind 30 kt. Seas 5 ft. .FRI...W wind 35 kt. Seas 5 ft. .SAT...W wind 30 kt. Seas 4 ft.