Offshore Forecast
Issued by NWS
Issued by NWS
480 FZNT21 KWBC 041430 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 930 AM EST Thu Dec 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. 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. ANZ898-050230- 930 AM EST Thu Dec 4 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...Weak high pressure will exit the waters today ahead of an approaching cold front. The cold front will move offshore and across the waters later today, then exit E of the waters tonight. High pressure will build E over the waters Fri into Fri night, then continue E Sat as low pressure passes S of the region Fri night into Sat. High pressure will again build across the area Sat night and Sun ahead of another approaching cold front. The cold front will move SE over the waters Sun night into Mon. High pressure will once again build in from the W Mon night behind the cold front. $$ ANZ800-050230- Gulf of Maine to the Hague Line- 930 AM EST Thu Dec 4 2025 ...GALE WARNING... .TODAY...SW winds 20 to 25 kt, becoming W 20 to 30 kt. Seas 6 to 10 ft. Chance of snow. .TONIGHT...NW winds 30 to 40 kt. Seas 10 to 18 ft. Scattered snow showers early. Light freezing spray. .FRI...NW winds 15 to 25 kt, becoming SW 10 to 20 kt. Seas 8 to 12 ft, subsiding to 4 to 7 ft. Light freezing spray. .FRI NIGHT...SW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 4 ft. .SAT...SW winds less than 10 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...NW winds 5 to 15 kt, becoming N 10 to 20 kt. Seas 3 to 5 ft. .MON...N winds 20 to 30 kt. Seas 6 to 10 ft. .MON NIGHT...N winds 15 to 25 kt, becoming NW 10 to 20 kt. Seas 5 to 9 ft. $$ ANZ805-050230- Georges Bank between Cape Cod and 68W north of 1000 FM- 930 AM EST Thu Dec 4 2025 ...GALE WARNING... .TODAY...W to SW winds 20 to 30 kt. Seas 6 to 10 ft. .TONIGHT...NW winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas 9 to 16 ft. Light freezing spray. .FRI...NW winds 10 to 20 kt, becoming SW 5 to 15 kt. Seas 7 to 12 ft. Light freezing spray early. .FRI NIGHT...S to SW winds 5 to 15 kt, becoming E 10 to 20 kt. Seas 3 to 5 ft. Chance of rain. .SAT...E to NE winds 5 to 15 kt, becoming S to SW. Seas 3 to 4 ft. .SAT NIGHT...W to SW winds 10 to 20 kt, becoming W to NW. Seas 3 to 5 ft. .SUN...NW winds 5 to 15 kt, becoming W to NW 5 to 10 kt. Seas 3 to 6 ft. .SUN NIGHT...W winds 5 to 15 kt, becoming W to NW 10 to 20 kt. Seas 3 to 5 ft. .MON...N to NW winds 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. $$ ANZ900-050230- Georges Bank between 68W and the Hague Line- 930 AM EST Thu Dec 4 2025 ...GALE WARNING... .TODAY...W to SW winds 20 to 30 kt. Seas 7 to 10 ft. .TONIGHT...W to NW winds 30 to 40 kt. Seas 11 to 18 ft. Light freezing spray. .FRI...N to NW winds 15 to 25 kt, becoming W to SW less than 10 kt. Seas 10 to 16 ft, subsiding to 5 to 9 ft. Light freezing spray early. .FRI NIGHT...S to SW winds 5 to 15 kt, becoming E 10 to 20 kt. Seas 3 to 6 ft. .SAT...E to NE winds 5 to 15 kt, becoming N. Seas 3 to 4 ft. .SAT NIGHT...S to SW winds 5 to 15 kt, becoming W. Seas 3 to 5 ft. .SUN...NW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 5 to 6 ft. .SUN NIGHT...W winds 5 to 15 kt. Seas 4 to 5 ft. .MON...N to NW winds 20 to 30 kt. Seas 7 to 11 ft. .MON NIGHT...N winds 20 to 30 kt. Seas 7 to 12 ft. $$ ANZ810-050230- South of New England between the Great South Channel and Montauk Point to 1000 FM- 930 AM EST Thu Dec 4 2025 ...GALE WARNING... .TODAY...W winds 20 to 30 kt. Seas 6 to 10 ft. .TONIGHT...NW winds 25 to 35 kt, becoming N to NW 20 to 30 kt. Seas 8 to 13 ft. Light freezing spray. .FRI...N winds 5 to 15 kt, becoming S 5 to 10 kt. Seas 7 to 11 ft. Light freezing spray early. .FRI NIGHT...S to SE winds 5 to 10 kt, becoming E 5 to 15 kt. Seas 3 to 5 ft. Chance of rain. .SAT...NE winds 5 to 15 kt, becoming W to SW. Seas 3 to 4 ft. .SAT NIGHT...W winds 5 to 15 kt, becoming W to NW 10 to 20 kt. Seas 3 to 5 ft. .SUN...N to NW winds 5 to 15 kt, becoming W 5 to 10 kt. Seas 3 to 6 ft. .SUN NIGHT...W winds 5 to 15 kt, becoming NW 10 to 20 kt. Seas 3 to 5 ft. .MON...N winds 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. $$ ANZ815-050230- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 930 AM EST Thu Dec 4 2025 .TODAY...W winds 20 to 30 kt. Seas 5 to 9 ft. .TONIGHT...N to NW winds 20 to 30 kt. Seas 6 to 11 ft. Light freezing spray. .FRI...N to NE winds 5 to 10 kt, becoming S. Seas 4 to 7 ft. Light freezing spray early. .FRI NIGHT...SE winds 5 to 10 kt, becoming E 5 to 15 kt. Seas 3 to 4 ft. Chance of rain. .SAT...W to SW winds less than 10 kt, becoming W. Seas 3 to 4 ft. .SAT NIGHT...W winds 10 to 15 kt, becoming NW 10 to 20 kt. Seas 3 to 5 ft. .SUN...NW winds 5 to 10 kt, becoming W 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...W to NW winds 10 to 15 kt, becoming NW 15 to 20 kt. Seas 3 to 5 ft. .MON...N winds 20 to 30 kt. Seas 6 to 10 ft. .MON NIGHT...N winds 15 to 25 kt, diminishing to 10 to 15 kt. Seas 5 to 9 ft. $$ .Forecaster Joseph. Ocean Prediction Center.