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 9 ft. Rain. .WED...W wind 15 kt becoming S 25 kt in the afternoon. Seas 7 ft. .WED NIGHT...SE wind 40 kt. Seas 12 ft. Rain. .THU...SW wind 40 kt. Seas 17 ft. .THU NIGHT...SW wind 45 kt. Seas 22 ft. .FRI THROUGH SAT...W wind 45 kt. Seas 22 ft. .SUN...SW wind 30 kt. Seas 15 ft.