


Offshore Forecast
Issued by NWS
Issued by NWS
387 FZNT33 KWBC 090315 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 1115 PM EDT Fri Aug 8 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...High pressure will slowly weaken over the area tonight and Sat. Low pressure will move toward the far SE waters late Sat, then track E into the N Atlantic Sat night and Sun as high pressure builds E over the waters through Sun night. The high will then move S of the region Mon through Tue night. A weak low pressure trough will form along the coast Mon, and continue throught Wed night. A cold front will approach the area from the NW Wed night. Gulf of Maine to the Hague Line .TONIGHT...S winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft. .SAT...S to SE winds less than 10 kt. Seas 3 to 4 ft. .SAT NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .SUN...S winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .MON...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .TUE...SW winds 5 to 10 kt, becoming S to SW 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S winds 10 to 20 kt, becoming SW 10 to 15 kt. Seas 3 to 5 ft. .WED...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TONIGHT...E winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...E winds 10 to 20 kt, becoming NE. Seas 3 to 5 ft. .SAT NIGHT...NE winds 10 to 20 kt, becoming N to NE 5 to 15 kt. Seas 3 to 5 ft. .SUN...NE winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 5 ft. .SUN NIGHT...Variable winds 5 to 15 kt, becoming SW. Seas 3 to 6 ft. .MON...SW winds 5 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 5 to 15 kt. Seas 3 to 5 ft. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 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 .TONIGHT...E to NE winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers. .SAT...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. .SAT NIGHT...NE winds 5 to 15 kt, becoming N. Seas 3 to 5 ft. .SUN...N to NE winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft. .SUN NIGHT...W to SW winds less than 10 kt. Seas 3 to 5 ft. .MON...SW winds less than 10 kt, increasing to 5 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. .TUE...SW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED...SW winds 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .Forecaster Kells. Ocean Prediction Center.