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...W wind 25 to 40 kt. Seas 13 to 20 ft. Rain showers. .SAT...NW wind 15 to 30 kt. Seas 9 to 17 ft. .SAT NIGHT...NW wind 15 to 25 kt. Seas 10 ft. .SUN...NW wind 15 to 25 kt. Seas 6 to 9 ft. .SUN NIGHT...NW wind 20 kt. Seas 7 ft. .MON THROUGH TUE...W wind 20 kt. Seas 6 ft. .WED...E wind 25 kt. Seas 6 to 11 ft.