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...SW wind 20 to 35 kt diminishing to 10 to 25 kt in the afternoon. Seas 14 to 26 ft. .TONIGHT...W wind 10 to 20 kt. Seas 11 to 15 ft. .WED...SW wind 15 kt becoming S in the afternoon. Seas 10 ft. .WED NIGHT...SE wind 30 to 45 kt. Seas 9 to 15 ft. .THU...SW wind 20 to 35 kt. Seas 16 to 24 ft. .FRI...NW wind 25 to 40 kt. Seas 16 to 25 ft. .SAT...W wind 15 to 30 kt. Seas 10 to 18 ft.