


Offshore Forecast
Issued by NWS
Issued by NWS
301 FZNT33 KWBC 150825 OFFN31 Marine Weather HF Voice Broadcast NWS Ocean Prediction Center Washington DC 425 AM EDT Sun Jun 15 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...Low pressure is centered SE of the region and will continue moving E while strengthening today. High pressure will build S over the area today, and then persist through Mon. Another low will form and move E along a front just S of the waters late Mon through Tue night as a high pressure ridge slowly weakens over the area. The low will weaken to the SE and E of the region Wed. A warm front will lift NE over the waters Wed night into Thu, followed by a cold front approaching the coast from the W late Thu. The cold front will then move offshore Thu 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 .TODAY...NE winds 5 to 15 kt, becoming E to SE 5 to 10 kt. Seas 3 to 4 ft. .TONIGHT...S to SE winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .MON...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...S winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to 4 ft. .TUE...S winds 5 to 10 kt, becoming S to SE 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SE winds 10 to 15 kt. Seas 3 to 4 ft. .WED...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 4 ft. .THU...S winds 10 to 15 kt, becoming S to SW 15 to 25 kt. Seas 3 to 5 ft. .THU NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. Georges Bank...from the Northeast Channel to the Great South Channel including waters east of Cape Cod...to the Hague Line .TODAY...E to NE winds 5 to 15 kt. Seas 3 to 6 ft. Chance of showers. .TONIGHT...E winds 5 to 10 kt. Seas 3 to 6 ft. Chance of showers. .MON...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. Chance of showers. .MON NIGHT...E to SE winds 5 to 15 kt. Seas 3 to 5 ft. .TUE...E winds 10 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E to SE winds 5 to 15 kt. Seas 3 to 5 ft. .WED...S to SE winds 5 to 15 kt, becoming S to SW. Seas 3 to 5 ft. .WED NIGHT...SW winds 5 to 10 kt. Seas 3 to 4 ft. .THU...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 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...E to NE winds 10 to 15 kt. Seas 3 to 5 ft. Chance of showers. .TONIGHT...E winds 5 to 10 kt. Seas 3 to 5 ft. Chance of showers. .MON...E winds 10 to 15 kt. Seas 3 to 5 ft. Chance of showers. .MON NIGHT...E winds 10 to 15 kt. Seas 3 to 5 ft. Chance of rain. .TUE...E winds 5 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E to SE winds 5 to 15 kt, becoming S to SE. Seas 3 to 5 ft. .WED...S to SW winds 5 to 10 kt, becoming SW 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 20 kt, becoming W. Seas 3 to 6 ft. .Forecaster Huffman. Ocean Prediction Center.