Offshore Forecast
Issued by NWS
Issued by NWS
550 FZNT21 KWBC 130828 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 328 AM EST Thu Nov 13 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. ANZ898-132015- 328 AM EST Thu Nov 13 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...Low pressure near the Gulf of Maine will move E and NE through Thu night. A series of surface troughs will then move S over the area behind the low, with high pressure gradually building E Fri through Sat. The high shifts E Sat and Sat night as a warm front approaches and enters the waters from the SW. The warm front will move across the waters Sat night, with a low moving into the area from the NW Sun. The low deepens as it moves E Sun and Sun night. A strong cold front moves SE over the waters Sun, then a persistent W to NW flow occurs behind the front Sun night through Mon night as high pressure builds to the S. $$ ANZ800-132015- Gulf of Maine to the Hague Line- 328 AM EST Thu Nov 13 2025 ...GALE FORCE WINDS POSSIBLE SUN NIGHT... .TODAY...W to NW winds 10 to 20 kt. Seas 4 to 8 ft. Isolated showers. .TONIGHT...N to NW winds 15 to 25 kt. Seas 4 to 7 ft. Scattered showers. .FRI...N winds 15 to 25 kt, becoming NW. Seas 4 to 8 ft. Scattered showers. .FRI NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 7 ft. Scattered showers. .SAT...NW winds 15 to 20 kt, becoming W 10 to 20 kt. Seas 3 to 6 ft. .SAT NIGHT...W to SW winds 15 to 20 kt, becoming S to SW 15 to 25 kt. Seas 3 to 6 ft. .SUN...SW winds 20 to 25 kt, becoming W 20 to 30 kt. Seas 5 to 9 ft. .SUN NIGHT...W to NW winds 25 to 35 kt. Seas 7 to 13 ft. .MON...W winds 25 to 35 kt. Seas 9 to 15 ft. .MON NIGHT...W winds 25 to 35 kt, becoming 25 to 30 kt. Seas 8 to 14 ft. $$ ANZ805-132015- Georges Bank between Cape Cod and 68W north of 1000 FM- 328 AM EST Thu Nov 13 2025 ...GALE FORCE WINDS POSSIBLE SUN NIGHT... .TODAY...W to NW winds 15 to 25 kt. Seas 6 to 11 ft. Scattered showers. Scattered tstms. .TONIGHT...NW winds 20 to 30 kt. Seas 6 to 11 ft. Scattered tstms early. Scattered showers. .FRI...NW winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers. .FRI NIGHT...NW winds 15 to 25 kt. Seas 4 to 8 ft. Scattered showers. .SAT...W to NW winds 15 to 20 kt. Seas 4 to 8 ft. .SAT NIGHT...W to SW winds 15 to 20 kt, becoming S to SW 15 to 25 kt. Seas 3 to 6 ft. .SUN...SW winds 20 to 25 kt, becoming W 20 to 30 kt. Seas 7 to 11 ft. .SUN NIGHT...W to NW winds 30 to 35 kt. Seas 9 to 15 ft. .MON...W winds 25 to 35 kt. Seas 9 to 16 ft. .MON NIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt. Seas 9 to 15 ft. $$ ANZ900-132015- Georges Bank between 68W and the Hague Line- 328 AM EST Thu Nov 13 2025 ...GALE FORCE WINDS POSSIBLE SUN NIGHT... .TODAY...W winds 15 to 20 kt. Seas 7 to 11 ft. Scattered showers. Scattered tstms. .TONIGHT...NW winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers and tstms. .FRI...N to NW winds 20 to 30 kt. Seas 7 to 11 ft. Scattered showers. Slight chance of tstms. .FRI NIGHT...NW winds 15 to 25 kt. Seas 6 to 9 ft. Scattered showers. .SAT...W to NW winds 15 to 20 kt. Seas 5 to 8 ft. .SAT NIGHT...W winds 15 to 20 kt, becoming S to SW 20 to 25 kt. Seas 4 to 6 ft. .SUN...W to SW winds 20 to 30 kt. Seas 7 to 10 ft. .SUN NIGHT...W winds 25 to 35 kt. Seas 10 to 15 ft. .MON...W winds 30 to 35 kt. Seas 12 to 17 ft. .MON NIGHT...W winds 30 to 35 kt, diminishing to 25 to 30 kt. Seas 11 to 16 ft. $$ ANZ810-132015- South of New England between the Great South Channel and Montauk Point to 1000 FM- 328 AM EST Thu Nov 13 2025 ...GALE FORCE WINDS POSSIBLE SUN... .TODAY...W to NW winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers. Scattered tstms. .TONIGHT...NW winds 25 to 30 kt. Seas 6 to 11 ft. Scattered tstms early. Scattered showers. .FRI...NW winds 20 to 25 kt. Seas 6 to 10 ft. Scattered showers. .FRI NIGHT...NW winds 15 to 25 kt. Seas 4 to 8 ft. Scattered showers. .SAT...NW winds 15 to 20 kt, becoming W to NW 10 to 15 kt. Seas 5 to 8 ft. .SAT NIGHT...W to SW winds 15 to 25 kt. Seas 3 to 6 ft. .SUN...W to SW winds 20 to 30 kt, becoming W 25 to 35 kt. Seas 6 to 11 ft. .SUN NIGHT...NW winds 30 to 40 kt, becoming W. Seas 9 to 15 ft. .MON...W winds 30 to 40 kt. Seas 9 to 15 ft. .MON NIGHT...W winds 25 to 30 kt. Seas 8 to 14 ft. $$ ANZ815-132015- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 328 AM EST Thu Nov 13 2025 ...GALE FORCE WINDS POSSIBLE SUN... .TODAY...W to NW winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers. .TONIGHT...NW winds 20 to 30 kt. Seas 6 to 11 ft. Scattered showers. .FRI...NW winds 20 to 30 kt. Seas 5 to 9 ft. .FRI NIGHT...NW winds 15 to 25 kt. Seas 4 to 7 ft. Scattered showers. .SAT...NW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas 3 to 6 ft. .SAT NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft. .SUN...W to SW winds 20 to 25 kt, becoming W to NW 25 to 35 kt. Seas 6 to 11 ft. .SUN NIGHT...W to NW winds 25 to 35 kt. Seas 7 to 13 ft. .MON...W winds 25 to 35 kt. Seas 8 to 13 ft. .MON NIGHT...NW winds 20 to 30 kt, becoming W 20 to 25 kt. Seas 7 to 12 ft. $$ .Forecaster Joseph. Ocean Prediction Center.