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...E wind 20 kt. Seas 8 ft. .TONIGHT...Variable wind 10 kt. Seas 7 ft. .WED...W wind 20 kt increasing to 30 kt in the afternoon. Seas 9 ft. .WED NIGHT...W wind 45 kt. Seas 19 ft. .THU...W wind 45 kt. Seas 22 ft. .FRI...W wind 30 kt. Seas 14 ft. .SAT...NW wind 25 kt. Seas 14 ft.