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...NW wind 20 kt. Seas 3 ft. .SUN...NW wind 15 kt. Seas 3 ft. .SUN NIGHT...SE wind 20 kt increasing to 35 kt after midnight. Seas 4 ft building to 10 ft after midnight. Rain. .MON...S wind 35 kt. Seas 18 ft. .MON NIGHT...SW wind 35 kt. Seas 23 ft. .TUE...W wind 30 kt. Seas 19 ft. .WED...NW wind 25 kt. Seas 8 ft. .THU...NW wind 20 kt. Seas 4 ft.