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. .TODAY...W wind 10 to 25 kt becoming SW in the afternoon. Seas 8 to 11 ft. .TONIGHT...S wind 15 to 30 kt becoming SE 25 to 40 kt after midnight. Seas 6 to 11 ft. Rain. .THU...S wind 25 to 40 kt. Seas 9 to 14 ft. Rain. .THU NIGHT...S wind 25 to 40 kt. Seas 13 to 21 ft. .FRI THROUGH SAT...NW wind 20 to 35 kt. Seas 14 to 22 ft. .SUN...SE wind 20 to 35 kt. Seas 8 to 13 ft.