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. .TODAY. Variable wind 10 kt becoming NW 20 kt in the afternoon. Seas 6 ft. .TONIGHT. NW wind 25 kt. Seas 10 ft. .FRI. W wind 25 kt. Seas 10 ft. .FRI NIGHT. NW wind 15 kt. Seas 7 ft. .SAT. W wind 25 kt. Seas 5 ft. .SUN. S wind 25 kt. Seas 7 ft. .MON. S wind 30 kt. Seas 7 ft.