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 26 ft. Rain showers. .FRI...SW wind 45 kt. Seas 26 ft. Rain showers. .FRI NIGHT...SW wind 40 kt becoming W 50 kt after midnight. Seas 26 ft. Rain showers. .SAT...W wind 45 kt. Seas 25 ft. .SAT NIGHT...W wind 30 kt. Seas 16 ft. .SUN...NW wind 25 kt. Seas 9 ft. .MON THROUGH TUE...W wind 20 kt. Seas 6 ft.