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...N wind 15 kt. Seas 4 ft. .TONIGHT...NW wind 20 kt. Seas 3 ft. .SUN...W wind 15 kt becoming SE 25 kt in the afternoon. Seas 3 ft. .SUN NIGHT...SE wind 40 kt. Seas 7 ft. .MON...SW wind 35 kt. Seas 9 ft. .TUE THROUGH WED...NW wind 35 kt. Seas 12 ft.