


Offshore Forecast
Issued by NWS
Issued by NWS
015 FZNT33 KWBC 062021 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 421 PM EDT Mon Oct 6 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...Strong high pressure SE of the waters tonight, will move E Tue and Tue night as a strong cold front approaches from the W and NW. The front will move quickly SE across the area Wed, and clear S and E of the waters Wed night into early Thu. Another strong high will build E and SE toward the area Wed night into early Thu, then move SE over the waters later Thu into Fri, before passing E of the area Fri night. Low pressure will develop S of the region Sat and move N towards the area Sat night. Gulf of Maine to the Hague Line .TONIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft. .TUE...SW winds 15 to 25 kt. Seas 3 to 6 ft. .TUE NIGHT...SW winds 20 to 25 kt. Seas 4 to 8 ft. Showers likely with vsby 1 nm or less. .WED...SW winds 15 to 25 kt, becoming N 10 to 20 kt. Seas 4 to 8 ft. Rain. .WED NIGHT...N winds 20 to 30 kt. Seas 4 to 8 ft. .THU...N winds 15 to 25 kt. Seas 4 to 8 ft. .THU NIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 7 ft. .FRI...W to NW winds less than 10 kt, becoming SW. Seas 3 to 4 ft. .FRI NIGHT...SW winds 10 to 20 kt, becoming W 15 to 20 kt. Seas 3 to 5 ft. .SAT...W winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...E to NE winds 5 to 15 kt, becoming NE 10 to 20 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...SW winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...S to SW winds 15 to 25 kt. Seas 3 to 5 ft. Chance of showers and tstms with vsby 1 nm or less. .WED...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. Chance of rain with vsby 1 nm or less. .WED NIGHT...N winds 15 to 25 kt. Seas 4 to 8 ft. .THU...N winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .FRI...N to NE winds less than 10 kt, becoming variable. Seas 3 to 6 ft. .FRI NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT...NE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 6 ft. .SAT NIGHT...NE winds 15 to 20 kt, increasing to 20 to 30 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 .TONIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 15 kt, becoming S to SW 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. Chance of showers. .WED...SW winds 10 to 20 kt, becoming N to NW. Seas 4 to 6 ft. Chance of rain. .WED NIGHT...N winds 15 to 25 kt. Seas 4 to 8 ft. .THU...N winds 15 to 25 kt. Seas 5 to 9 ft. .THU NIGHT...NE winds 10 to 20 kt. Seas 4 to 8 ft. .FRI...E winds 5 to 15 kt, becoming E to SE 5 to 10 kt. Seas 3 to 5 ft. .FRI NIGHT...S to SE winds 5 to 10 kt, becoming E. Seas 3 to 5 ft. .SAT...E to NE winds 15 to 25 kt. Seas 6 to 10 ft. .SAT NIGHT...NE winds 20 to 30 kt. Seas 5 to 8 ft. .Forecaster Holley. Ocean Prediction Center.