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...N wind up to 15 kt becoming S in the afternoon. Seas 5 ft. .TONIGHT...S wind 25 to 40 kt increasing to 35 to 50 kt after midnight. Seas 7 to 12 ft. Rain. .THU...S wind 30 to 45 kt becoming SW 20 to 35 kt in the afternoon. Seas 10 to 18 ft. Rain. .THU NIGHT...S wind 15 to 30 kt. Seas 11 to 17 ft. .FRI THROUGH SAT...S wind 15 to 30 kt. Seas 10 to 18 ft. .SUN...SW wind 10 to 20 kt. Seas 6 to 10 ft.