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...SE wind 20 kt. Seas 4 ft. .WED...SE wind 25 kt increasing to 35 kt in the afternoon. Seas 5 ft building to 9 ft in the afternoon. .WED NIGHT...E wind 45 kt. Seas 18 ft. Rain. .THU...S wind 25 kt. Seas 13 ft. .THU NIGHT...SE wind 30 kt. Seas 19 ft. .FRI...W wind 35 kt. Seas 18 ft. .SAT THROUGH SUN...NW wind 25 kt. Seas 9 ft.