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...SE wind 30 kt. Seas 6 ft. Rain showers. .FRI...S wind 25 kt. Seas 6 ft building to 10 ft in the afternoon. Rain showers. .FRI NIGHT...S wind 30 kt. Seas 10 ft. Rain showers. .SAT...SW wind 35 kt. Seas 13 ft. .SAT NIGHT...W wind 30 kt. Seas 13 ft. .SUN...W wind 30 kt. Seas 10 ft. .MON...NW wind 25 kt. Seas 7 ft. .TUE...NW wind 20 kt. Seas 7 ft.