Offshore Forecast
Issued by NWS
Issued by NWS
278 FZNT33 KWBC 050232 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 932 PM EST Wed Dec 4 2024 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...Strong low pressure and an associated cold front will approach the coast tonight while a warm front lifts N across the waters. The cold front will move rapidly E through the area Thu, as the associated low moves N and NE of the area Thu into Fri night. A secondary cold front will cross the waters late Thu night into early Fri. High pressure will build S of the area Sat and Sat night, and move off to the SE Sun and Sun night as a warm front lifts N near the coast. A cold front will slowly approach the coast Mon and Mon night as a high pressure ridge remains anchored off the SE United States coast. Gulf of Maine to the Hague Line ...GALE WARNING... .TONIGHT...S winds 20 to 30 kt, increasing to 25 to 35 kt. Seas 3 to 5 ft, building to 6 to 10 ft. Chance of rain. .THU...S to SW winds 25 to 35 kt, becoming W to SW. Seas 8 to 14 ft. Rain. .THU NIGHT...W winds 30 to 40 kt. Seas 12 to 19 ft. Chance of showers. .FRI...W winds 25 to 35 kt, becoming NW. Seas 9 to 16 ft. Chance of showers. .FRI NIGHT...W to NW winds 20 to 30 kt. Seas 6 to 11 ft. .SAT...W winds 15 to 25 kt. Seas 5 to 9 ft. .SAT NIGHT...W to NW winds 10 to 20 kt. Seas 4 to 7 ft. .SUN...SW winds 10 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 4 to 8 ft. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 3 to 6 ft. .MON NIGHT...SW winds 15 to 25 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 ...GALE WARNING... .TONIGHT...S winds 20 to 30 kt. Seas 3 to 5 ft, building to 6 to 10 ft. Chance of rain. .THU...SW winds 25 to 35 kt, becoming W 35 to 45 kt. Seas 13 to 22 ft. Rain. .THU NIGHT...W winds 35 to 45 kt. Seas 14 to 24 ft. Chance of showers. .FRI...W winds 25 to 35 kt, becoming NW 25 to 30 kt. Seas 11 to 19 ft. Chance of showers. .FRI NIGHT...W to NW winds 20 to 25 kt. Seas 8 to 14 ft. .SAT...W to NW winds 15 to 25 kt. Seas 6 to 10 ft. .SAT NIGHT...W to NW winds 10 to 20 kt. Seas 4 to 8 ft. .SUN...W winds 10 to 15 kt, becoming SW 10 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...SW winds 15 to 20 kt. Seas 4 to 8 ft. .MON...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 4 to 6 ft. .MON NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 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 WARNING... .TONIGHT...SW winds 30 to 40 kt. Seas 6 to 10 ft, building to 9 to 15 ft. Chance of rain. .THU...W to SW winds 35 to 45 kt. Seas 13 to 22 ft. Rain. .THU NIGHT...W winds 35 to 45 kt. Seas 13 to 22 ft. Chance of showers. .FRI...NW winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 9 to 16 ft. Chance of showers. .FRI NIGHT...NW winds 15 to 25 kt. Seas 6 to 10 ft. .SAT...W winds 15 to 25 kt. Seas 4 to 7 ft. .SAT NIGHT...W to NW winds 10 to 20 kt. Seas 4 to 7 ft. .SUN...W winds 15 to 20 kt, becoming SW. Seas 4 to 8 ft. .SUN NIGHT...SW winds 15 to 20 kt. Seas 4 to 8 ft. .MON...SW winds 15 to 25 kt. Seas 4 to 7 ft. .MON NIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft. .Forecaster Holley. Ocean Prediction Center.