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...SW wind 45 kt. Seas 24 ft. Rain showers. .SAT...W wind 40 kt. Seas 23 ft. Rain showers. .SAT NIGHT...W wind 30 kt. Seas 15 ft. .SUN AND SUN NIGHT...NW wind 25 kt. Seas 11 ft. .MON THROUGH TUE...W wind 20 kt. Seas 8 ft. .WED...E wind 25 kt. Seas 6 ft.