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...W wind 45 kt. Seas 20 ft. .SAT...W wind 40 kt diminishing to 30 kt in the afternoon. Seas 19 ft. .SAT NIGHT...W wind 30 kt. Seas 13 ft. .SUN AND SUN NIGHT...NW wind 25 kt. Seas 9 ft. .MON THROUGH TUE...W wind 20 kt. Seas 7 ft. .WED...SE wind 25 kt. Seas 13 ft.