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 35 kt increasing to 45 kt after midnight. Seas 18 ft. Rain showers. .FRI...SW wind 35 kt. Seas 19 ft. Rain showers. .FRI NIGHT...SW wind 45 kt. Seas 21 ft. Rain showers. .SAT...W wind 45 kt. Seas 22 ft. .SAT NIGHT...W wind 35 kt. Seas 16 ft. .SUN...NW wind 25 kt. Seas 10 ft. .MON THROUGH TUE...W wind 20 kt. Seas 6 ft.