Offshore Forecast
Issued by NWS
Issued by NWS
281 FZNT33 KWBC 122032 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 332 PM EST Wed Nov 12 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 weak low over the Gulf of Maine this evening will move NE tonight as another low moves into the Gulf overnight from the NW. This second low slowly moves E Thu and Thu night. A series of surface troughs will then move S over the area behind the low, with high pressure gradually building E Fri through Sat. The high shifts E Sat as a warm front approaches from the SW. The warm front will move into the waters Sat night, with a low moving into the area from the NW Sun. The low deepens as it slowly moves E Sun and Sun night. A strong cold front moves SE over the waters Sun night, then a persistent NW flow occurs behind the low Mon and Mon night. Gulf of Maine to the Hague Line ...GALE FORCE WINDS POSSIBLE SUN NIGHT... .TONIGHT...W winds 10 to 20 kt. Seas 5 to 9 ft. Isolated showers. .THU...W to NW winds 10 to 20 kt. Seas 4 to 8 ft. Isolated showers. .THU NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. Scattered showers. .FRI...N to NW winds 15 to 25 kt. Seas 4 to 8 ft. Isolated showers. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 7 ft. .SAT...W to NW winds 10 to 20 kt. Seas 3 to 6 ft. .SAT NIGHT...W to SW winds 10 to 20 kt, becoming S to SW 15 to 25 kt. Seas 3 to 5 ft. .SUN...SW winds 15 to 25 kt, becoming W 20 to 30 kt. Seas 5 to 8 ft. .SUN NIGHT...NW winds 25 to 30 kt, becoming W to NW 25 to 35 kt. Seas 9 to 15 ft. .MON...W winds 30 to 35 kt. Seas 10 to 18 ft. .MON NIGHT...NW winds 30 to 35 kt, diminishing to 25 to 30 kt. Seas 10 to 17 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line ...GALE FORCE WINDS POSSIBLE SUN NIGHT... .TONIGHT...W winds 20 to 30 kt. Seas 8 to 13 ft. Scattered showers. .THU...W winds 15 to 20 kt, increasing to 20 to 30 kt. Seas 6 to 10 ft. Scattered showers. .THU NIGHT...NW winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers. .FRI...N to NW winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft. .SAT...NW winds 10 to 20 kt. Seas 4 to 8 ft. .SAT NIGHT...W to SW winds 15 to 20 kt, becoming S to SW 15 to 25 kt. Seas 4 to 7 ft. .SUN...W to SW winds 20 to 30 kt. Seas 7 to 12 ft. .SUN NIGHT...NW winds 25 to 35 kt, becoming W. Seas 10 to 17 ft. .MON...W winds 30 to 40 kt. Seas 12 to 20 ft. .MON NIGHT...W to NW winds 30 to 35 kt, becoming W 25 to 30 kt. Seas 10 to 18 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 ...GALE FORCE WINDS POSSIBLE SUN NIGHT... .TONIGHT...W winds 20 to 30 kt. Seas 7 to 12 ft. Isolated showers. .THU...W to NW winds 20 to 30 kt. Seas 6 to 10 ft. Scattered showers. .THU NIGHT...NW winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers. .FRI...NW winds 20 to 30 kt. Seas 6 to 10 ft. Scattered showers. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .SAT...N to NW winds 10 to 20 kt, becoming W to NW 5 to 15 kt. Seas 4 to 8 ft. .SAT NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. .SUN...SW winds 20 to 30 kt, becoming W to NW 25 to 30 kt. Seas 8 to 13 ft. .SUN NIGHT...W to NW winds 25 to 35 kt. Seas 10 to 17 ft. .MON...W to NW winds 25 to 35 kt. Seas 10 to 17 ft. .MON NIGHT...NW winds 25 to 35 kt, becoming 25 to 30 kt. Seas 9 to 16 ft. .Forecaster Figurskey. Ocean Prediction Center.