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...Variable wind 10 kt. Seas 3 ft. .TONIGHT...SE wind 20 kt. Seas 4 ft. .WED...SE wind 30 kt. Seas 5 ft building to 9 ft in the afternoon. .WED NIGHT...E wind 45 kt. Seas 18 ft. .THU...SE wind 25 kt. Seas 14 ft. .FRI...W wind 30 kt. Seas 14 ft. .SAT...W wind 25 kt. Seas 9 ft.