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...N wind 20 kt. Seas 7 ft. .WED...Variable wind 10 kt becoming S 15 kt in the afternoon. Seas 6 ft. .WED NIGHT...S wind 30 kt increasing to 45 kt after midnight. Seas 9 ft building to 17 ft after midnight. Rain. .THU...SW wind 45 kt. Seas 20 ft. .THU NIGHT...SW wind 25 kt. Seas 11 ft. .FRI THROUGH SAT...SW wind 25 kt. Seas 14 ft. .SUN...SW wind 20 kt. Seas 11 ft.