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 10 ft. .WED...SE wind 30 kt becoming S 45 kt in the afternoon. Seas 11 ft building to 18 ft in the afternoon. Rain. .WED NIGHT...SW wind 45 kt. Seas 16 ft building to 23 ft after midnight. Rain showers. .THU AND THU NIGHT...W wind 50 kt. Seas 41 ft. .FRI...NW wind 45 kt. Seas 34 ft. .SAT...SW wind 30 kt. Seas 17 ft. .SUN...SW wind 40 kt. Seas 24 ft.