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...S wind 10 to 25 kt becoming SE 25 to 40 kt in the afternoon. Seas 8 to 13 ft. Rain. .TONIGHT...S wind 25 to 40 kt diminishing to 15 to 30 kt after midnight. Seas 9 to 15 ft. Rain. .THU...SE wind 15 to 30 kt becoming NW in the afternoon. Seas 13 to 21 ft. Rain showers. .THU NIGHT...NW wind 25 to 40 kt. Seas 15 to 25 ft. .FRI...NW wind 25 to 40 kt. Seas 15 to 23 ft. .SAT THROUGH SUN...S wind 25 to 40 kt. Seas 9 to 17 ft.