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...E wind 20 kt. Seas 7 ft. .TUE...NE wind 20 kt. Seas 5 ft. .TUE NIGHT...E wind 15 kt E of Saint Matthew Island...E 25 kt W of Saint Matthew Island. Seas 8 ft. Rain. .WED...E wind 15 kt. Seas 7 ft. .WED NIGHT...W wind 20 kt. Seas 8 ft. .THU...W wind 20 kt. Seas 7 ft. .FRI...Variable wind 10 kt. Seas 5 ft. .SAT...SW wind 15 kt. Seas 4 ft.