Offshore Waters Forecast for the Bering Sea 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...SW wind 25 to 40 kt. Seas 13 to 21 ft. Rain showers. .SAT...W wind 20 to 35 kt. Seas 10 to 18 ft. .SAT NIGHT...NW wind 20 to 30 kt. Seas 9 to 14 ft. .SUN...NW wind 25 kt. Seas 10 ft. .SUN NIGHT...NW wind 20 to 30 kt. Seas 7 to 11 ft. .MON THROUGH TUE...NW wind 10 to 25 kt. Seas 5 to 10 ft. .WED...NE wind 10 to 20 kt. Seas 3 to 6 ft.