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 8 ft. .FRI. W wind 25 kt. Seas 9 ft. .FRI NIGHT. NW wind 20 kt. Seas 8 ft. .SAT. W wind 20 kt. Seas 5 ft. .SUN THROUGH MON. S wind 25 kt. Seas 7 ft.