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...S wind 20 kt. Seas 3 ft. Rain. .SUN...S wind 20 kt. Seas 3 ft. .SUN NIGHT...S wind 25 kt. Seas 4 ft. .MON...S wind 30 kt. Seas 4 ft. .MON NIGHT...SW wind 30 kt. Seas 4 ft. .TUE...W wind 25 kt. Seas 4 ft. .WED THROUGH THU...SW wind 15 kt. Seas 5 ft.