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 25 kt. Seas 15 ft. Rain showers. .FRI...SW wind 30 kt. Seas 20 ft. Rain showers. .FRI NIGHT...SW wind 30 kt. Seas 19 ft. .SAT AND SAT NIGHT...NW wind 25 kt. Seas 12 ft. .SUN...NW wind 25 kt. Seas 8 ft. .MON THROUGH TUE...NW wind 15 kt. Seas 5 ft.