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 15 kt. Seas 5 ft. .TONIGHT...SE wind 20 kt. Seas 4 ft. .WED...SE wind 30 kt. Seas 7 ft. .WED NIGHT...SE wind 45 kt. Seas 12 ft. .THU...S wind 40 kt. Seas 14 ft. .FRI...SW wind 35 kt. Seas 15 ft. .SAT...W wind 30 kt. Seas 11 ft.