Offshore Forecast
Issued by NWS
Issued by NWS
370 FZNT33 KWBC 221443 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 943 AM EST Sat Nov 22 2025 New England continental shelf and slope waters from 25 nm offshore to the Hague Line, except to 1000 fm south of New England. Conditions given represent the highest within that period. Seas given as significant wave height, which is the average height of the highest 1/3 of the waves. Individual waves may be more than twice the significant wave height. Locally higher winds and seas can be expected in and near tstms. .SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will move SE across the waters today into tonight as low pressure tracks NE along the front. High pressure will move E across the waters tonight and Sun, followed by a weakening cold front moving through the area Sun night into Mon. Another high will build E over the waters Mon into Mon night, then pass SE of the area Tue. A warm front will lift N across the area Tue night, before another cold front moves E through the waters Wed and Wed night. Gulf of Maine to the Hague Line .TODAY...W winds 5 to 10 kt, becoming NW 5 to 15 kt. Seas 3 to 4 ft. Chance of rain. .TONIGHT...N to NW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN...W to NW winds 5 to 15 kt, becoming SW. Seas 3 to 4 ft. .SUN NIGHT...W to SW winds 10 to 15 kt, becoming NW 5 to 15 kt. Seas 3 to 4 ft. Chance of rain. .MON...NW winds 15 to 25 kt. Seas 4 to 7 ft. .MON NIGHT...NW winds 15 to 25 kt, becoming W to NW 10 to 15 kt. Seas 4 to 7 ft. .TUE...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 10 to 20 kt, becoming S 15 to 25 kt. Seas 3 to 6 ft. .WED...SW winds 15 to 25 kt, diminishing to 10 to 15 kt. Seas 4 to 7 ft. .WED NIGHT...SW winds 10 to 15 kt, becoming W 10 to 20 kt. Seas 4 to 7 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TODAY...Variable winds less than 10 kt, becoming N 15 to 25 kt. Seas 3 to 5 ft. Chance of rain. .TONIGHT...N winds 15 to 25 kt. Seas 3 to 6 ft. .SUN...W to NW winds less than 10 kt, becoming SW. Seas 3 to 6 ft. .SUN NIGHT...W to SW winds 5 to 15 kt, becoming W to NW 10 to 20 kt. Seas 3 to 6 ft. Chance of rain. .MON...NW winds 15 to 25 kt. Seas 4 to 8 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...W to SW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...S winds 10 to 15 kt, increasing to 15 to 25 kt. Seas 3 to 6 ft. .WED...S to SW winds 20 to 30 kt. Seas 5 to 9 ft. .WED NIGHT...SW winds 15 to 20 kt, becoming W 10 to 15 kt. Seas 5 to 9 ft. South of New England...from the Great South Channel to Hudson Canyon including the waters south of Marthas Vineyard and Nantucket Island...out to 1000 fm .TODAY...N winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. Chance of rain. .TONIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. .SUN...Variable winds less than 10 kt, becoming W. Seas 3 to 5 ft. .SUN NIGHT...W to NW winds 15 to 25 kt. Seas 4 to 7 ft. .MON...NW winds 15 to 25 kt. Seas 5 to 8 ft. .MON NIGHT...NW winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 4 to 7 ft. .TUE...S to SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. .WED...SW winds 10 to 20 kt. Seas 4 to 8 ft. .WED NIGHT...W to NW winds 10 to 20 kt. Seas 5 to 9 ft. .Forecaster Kells. Ocean Prediction Center.