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...W wind 15 kt. Seas 8 ft. .WED...S wind 20 kt increasing to 40 kt in the afternoon. Seas 10 ft. Rain. .WED NIGHT...S wind 45 kt becoming SW 35 kt after midnight. Seas 14 ft. Rain. .THU...SW wind 45 kt. Seas 25 ft. .THU NIGHT...W wind 50 kt. Seas 27 ft. .FRI...NW wind 50 kt. Seas 26 ft. .SAT...W wind 35 kt. Seas 22 ft. .SUN...SW wind 35 kt. Seas 14 ft.