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...S wind 20 to 35 kt. Seas 13 to 20 ft. Rain showers. .FRI...SW wind 25 to 40 kt. Seas 14 to 22 ft. Rain showers. .FRI NIGHT...SW wind 25 to 40 kt. Seas 14 to 22 ft. Rain showers. .SAT...W wind 25 to 40 kt. Seas 11 to 19 ft. .SAT NIGHT...NW wind 20 to 30 kt. Seas 9 to 14 ft. .SUN THROUGH TUE...NW wind 10 to 25 kt. Seas 5 to 10 ft.