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...NW wind 20 kt becoming N 10 kt in the afternoon. Seas 5 ft subsiding to 3 ft in the afternoon. .TONIGHT...SE wind 15 kt increasing to 30 kt after midnight. Seas 2 ft building to 4 ft after midnight. Rain. .THU...S wind 25 kt. Seas 4 ft. Rain. .THU NIGHT...SW wind 30 kt. Seas 4 ft. .FRI THROUGH SAT...NW wind 45 kt. Seas 18 ft. .SUN...SE wind 35 kt. Seas 5 ft.