


Offshore Forecast
Issued by NWS
Issued by NWS
136 FZNT33 KWBC 040854 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 454 AM EDT Fri Jul 4 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 slow-moving front over Georges Banks will continue moving E across the region this morning. A low pressure trough will move E over the waters later today into Sat. High pressure will move into the area Sat into Sun night, as another trough develops over the waters. The trough should linger over the area through Mon with a cold front approaching from the N Mon night. A low pressure system approaching from the SW will move across the area on Tue into Tue night. Gulf of Maine to the Hague Line .TODAY...W winds 5 to 15 kt. Seas 3 to 5 ft. .TONIGHT...W winds 5 to 15 kt. Seas 3 to 4 ft. .SAT...W winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...SW winds 15 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. .MON...SW winds 15 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. .TUE...W to SW winds 5 to 15 kt. Seas 3 to 6 ft. .TUE NIGHT...W to SW winds 5 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 .TODAY...W winds 5 to 10 kt, becoming W to NW 5 to 15 kt. Seas 3 to 6 ft. Scattered showers and isolated tstms with vsby 1 nm or less. .TONIGHT...W winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. .MON...SW winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...SW winds 15 to 20 kt. Seas 4 to 5 ft. .TUE...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...SW winds 10 to 15 kt. Seas 3 to 5 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...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers and isolated tstms. .TONIGHT...W winds 5 to 15 kt, becoming W to SW. Seas 3 to 4 ft. .SAT...W winds less than 10 kt, becoming SW. Seas 3 to 4 ft. .SAT NIGHT...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 15 kt, becoming S to SW 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. .MON...SW winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas 4 to 5 ft. .TUE...SW winds 5 to 15 kt, becoming S 10 to 15 kt. Seas 3 to 6 ft. .TUE NIGHT...SW winds 5 to 15 kt. Seas 3 to 5 ft. .Forecaster Holley. Ocean Prediction Center.