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 25 kt becoming N 15 kt in the afternoon. Seas 9 ft. .TONIGHT...S wind 30 kt. Seas 10 ft. Rain. .THU...SW wind 35 kt. Seas 15 ft. .THU NIGHT...SW wind 40 kt. Seas 29 ft. .FRI...W wind 40 kt. Seas 31 ft. .SAT...NW wind 35 kt. Seas 21 ft. .SUN...S wind 35 kt. Seas 15 ft.