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 20 kt in the afternoon. Seas 6 ft. .WED NIGHT...S wind 30 kt increasing to 45 kt after midnight. Seas 12 ft building to 21 ft after midnight. Rain. .THU...SW wind 45 kt. Seas 19 ft. .THU NIGHT...SW wind 20 kt. Seas 12 ft. .FRI THROUGH SUN...W wind 25 kt. Seas 13 ft.