Offshore Forecast
Issued by NWS
Issued by NWS
409 FZNT21 KWBC 060831 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 331 AM EST Sat Dec 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. 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. ANZ898-062030- 331 AM EST Sat Dec 6 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will shift E of the area today, as a series of low pressure centers pass S, then E of the waters into tonight. A cold front will move offshore tonight, then clear E of the waters Sun. A stronger cold front will move to the coast late Sun, then move across the area Sun night into Mon. High pressure will build E across the waters late Mon into Tue. The high will shift E Tue night as another low pressure develops and moves into New England. The associated warm front will lift NE Wed and the cold front to follow pushing E late Wed and Wed night. $$ ANZ800-062030- Gulf of Maine to the Hague Line- 331 AM EST Sat Dec 6 2025 ...GALE FORCE WINDS POSSIBLE MON... .TODAY...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .TONIGHT...W to SW winds 10 to 20 kt, becoming W to NW. Seas 3 to 5 ft. .SUN...N to NW winds 5 to 15 kt, becoming N. Seas 3 to 5 ft. .SUN NIGHT...W to SW winds less than 10 kt, becoming W 15 to 25 kt. Seas 3 to 5 ft. .MON...N to NW winds 25 to 35 kt. Seas 7 to 12 ft. .MON NIGHT...NW winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas 6 to 11 ft. .TUE...W to NW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...W to SW winds 20 to 30 kt. Seas 6 to 10 ft. .WED...W to SW winds 15 to 25 kt, becoming S to SW. Seas 5 to 9 ft. .WED NIGHT...SW winds 20 to 30 kt, becoming W 15 to 25 kt. Seas 6 to 10 ft. $$ ANZ805-062030- Georges Bank between Cape Cod and 68W north of 1000 FM- 331 AM EST Sat Dec 6 2025 ...GALE FORCE WINDS POSSIBLE MON... .TODAY...E winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft. Chance of rain. .TONIGHT...W to SW winds 5 to 15 kt, becoming NW 10 to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 10 to 15 kt, becoming W to NW 5 to 10 kt. Seas 4 to 5 ft. .SUN NIGHT...W winds 5 to 15 kt, increasing to 15 to 25 kt. Seas 3 to 6 ft. .MON...NW winds 25 to 35 kt, becoming N 20 to 30 kt. Seas 7 to 12 ft. .MON NIGHT...N winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas 7 to 12 ft. .TUE...N to NW winds 5 to 15 kt, becoming SW 10 to 20 kt. Seas 5 to 8 ft. .TUE NIGHT...W to SW winds 20 to 30 kt. Seas 5 to 9 ft. .WED...W to SW winds 10 to 20 kt, becoming S to SW 15 to 25 kt. Seas 4 to 8 ft. .WED NIGHT...SW winds 20 to 30 kt, becoming W 20 to 25 kt. Seas 6 to 11 ft. $$ ANZ900-062030- Georges Bank between 68W and the Hague Line- 331 AM EST Sat Dec 6 2025 ...GALE FORCE WINDS POSSIBLE MON... .TODAY...E winds 5 to 15 kt, becoming NE. Seas 3 to 4 ft. Chance of rain. .TONIGHT...N winds 5 to 15 kt, becoming W to NW 10 to 15 kt. Seas 3 to 6 ft. .SUN...NW winds 10 to 15 kt, becoming W to NW 5 to 10 kt. Seas 4 to 6 ft. .SUN NIGHT...W winds 5 to 15 kt, increasing to 15 to 25 kt. Seas 4 to 6 ft. .MON...W to NW winds 25 to 35 kt, becoming N to NW 30 to 35 kt. Seas 8 to 13 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 7 to 13 ft. .TUE...N to NW winds 5 to 15 kt, becoming SW. Seas 4 to 8 ft. .TUE NIGHT...SW winds 20 to 30 kt. Seas 5 to 9 ft. .WED...W to SW winds 15 to 25 kt, becoming S to SW 15 to 20 kt. Seas 6 to 8 ft. .WED NIGHT...W to SW winds 15 to 25 kt. Seas 6 to 11 ft. $$ ANZ810-062030- South of New England between the Great South Channel and Montauk Point to 1000 FM- 331 AM EST Sat Dec 6 2025 .TODAY...E to NE winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 5 ft. Chance of rain. .TONIGHT...W winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas 3 to 5 ft. .SUN...N to NW winds 5 to 15 kt, becoming W to SW. Seas 3 to 5 ft. .SUN NIGHT...W winds 15 to 25 kt. Seas 3 to 6 ft. .MON...NW winds 25 to 30 kt, becoming N 20 to 30 kt. Seas 6 to 11 ft. .MON NIGHT...N winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas 7 to 12 ft. .TUE...N winds less than 10 kt, becoming S to SW 10 to 20 kt. Seas 4 to 7 ft. .TUE NIGHT...W to SW winds 20 to 30 kt. Seas 4 to 8 ft. .WED...W to SW winds 15 to 20 kt, becoming SW 20 to 30 kt. Seas 6 to 9 ft. .WED NIGHT...W to SW winds 20 to 30 kt. Seas 7 to 11 ft. $$ ANZ815-062030- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 331 AM EST Sat Dec 6 2025 .TODAY...E to NE winds less than 10 kt, becoming W to NW. Seas 3 to 5 ft. Chance of rain. .TONIGHT...W to NW winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas 3 to 5 ft. .SUN...N to NW winds 5 to 10 kt, becoming W to SW. Seas 3 to 5 ft. .SUN NIGHT...W to NW winds 15 to 25 kt. Seas 3 to 6 ft. .MON...N winds 20 to 30 kt. Seas 5 to 9 ft. .MON NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...NE winds less than 10 kt, becoming S to SW 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...SW winds 20 to 30 kt. Seas 4 to 8 ft. .WED...SW winds 20 to 30 kt. Seas 6 to 10 ft. .WED NIGHT...W to SW winds 20 to 30 kt. Seas 6 to 11 ft. $$ .Forecaster Collins. Ocean Prediction Center.