


Offshore Forecast
Issued by NWS
Issued by NWS
998 FZNT33 KWBC 162043 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 443 PM EDT Mon Jun 16 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 centered to the E of the area will gradually move further E through Wed while extending a ridge W over the area tonight into Tue. Weak low pressure will move gradually E and NE along a front S of the area tonight through Tue night as the high pressure ridge slowly weakens over the area. The low pressure is expected to be rather weak as it moves to the SE and E of the Georges Bank region later Wed. A warm front will lifting NE over the waters Wed and Wed night through early Thu, followed by a cold front approaching the coast from the W late Thu. The cold front will move offshore Thu night, and pass E of the region Fri. A secondary cold front or low pressure trough will move SE over the waters Fri night as high pressure moves E over New England region. On Sat high pressure will move E over the waters and then pass E of the area by Sat night. A trough will move SE over the area Sat night. Please see https://www.weather.gov/media/notification/pdf_2025/ pns25-33_vobra_discontinuation_2025.pdf (all lower case) for a proposal to discontinue this product. Gulf of Maine to the Hague Line .TONIGHT...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .TUE...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SE winds 10 to 15 kt. Seas 3 to 4 ft. Chance of rain. .WED...S winds 10 to 15 kt. Seas 3 to 4 ft. Chance of rain. .WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. .THU...S to SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 20 to 25 kt, becoming W. Seas 4 to 8 ft. .FRI...W to SW winds 10 to 20 kt. Seas 4 to 8 ft. .FRI NIGHT...W winds 10 to 15 kt, becoming N to NW. Seas 3 to 5 ft. .SAT...N winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .SAT NIGHT...S 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 .TONIGHT...E to SE winds 10 to 15 kt. Seas 3 to 5 ft. Slight chance of showers. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. Slight chance of showers. .TUE NIGHT...SE winds 5 to 15 kt. Seas 3 to 5 ft. Chance of rain. .WED...S to SE winds 5 to 15 kt, becoming S to SW. Seas 3 to 4 ft. .WED NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt, increasing to 15 to 25 kt. Seas 3 to 6 ft. .THU NIGHT...SW winds 20 to 25 kt, becoming W 15 to 20 kt. Seas 5 to 7 ft. .FRI...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI NIGHT...W winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...N winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .SAT NIGHT...S winds 5 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 winds 10 to 15 kt. Seas 3 to 5 ft. Chance of showers with vsby 1 nm or less. .TUE...E winds 5 to 15 kt. Seas 3 to 5 ft. Slight chance of showers. .TUE NIGHT...S to SE winds 5 to 10 kt, becoming S to SW. Seas 3 to 5 ft. .WED...S to SW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. .THU...SW winds 15 to 25 kt. Seas 4 to 7 ft. .THU NIGHT...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI...W to SW winds 5 to 15 kt. Seas 3 to 6 ft. .FRI NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. .SAT...N to NW winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .SAT NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .Forecaster Rowland. Ocean Prediction Center.