


Offshore Forecast
Issued by NWS
Issued by NWS
480 FZNT21 KWBC 150822 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 422 AM EDT Wed Oct 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. 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. ANZ898-152000- 422 AM EDT Wed Oct 15 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...Today through Thu, the waters will be between high pressure over the Great Lakes and broad low pressure well out over the N Atlantic centered near 35N. A cold front approaching from the NW will move through the waters from later this morning through tonight. Thu night, a secondary low should form S of Nova Scotia, deepening late Thu night and Fri. This second low will slowly move farther E into the N Atlantic Fri night through Sat night as high pressure gradually moves E over the area. High pressure will be over the waters Sun, moving E late Sun and Sun night as a cold front moves into the W waters late Sun night. $$ ANZ800-152000- Gulf of Maine to the Hague Line- 422 AM EDT Wed Oct 15 2025 ...GALE WARNING... .TODAY...N to NW winds 5 to 10 kt, becoming N 15 to 25 kt. Seas 4 to 7 ft. .TONIGHT...N winds 20 to 25 kt. Seas 5 to 8 ft. .THU...N winds 20 to 30 kt, increasing to 25 to 35 kt. Seas 6 to 10 ft. .THU NIGHT...N winds 25 to 35 kt. Seas 7 to 12 ft. Scattered showers. .FRI...N winds 25 to 35 kt. Seas 8 to 13 ft. .FRI NIGHT...N winds 20 to 30 kt. Seas 7 to 13 ft. .SAT...N winds 15 to 25 kt. Seas 6 to 11 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 5 to 9 ft. .SUN...Variable winds less than 10 kt, becoming S. Seas 4 to 7 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. $$ ANZ805-152000- Georges Bank between Cape Cod and 68W north of 1000 FM- 422 AM EDT Wed Oct 15 2025 ...GALE WARNING... .TODAY...N winds 15 to 25 kt. Seas 6 to 10 ft. Isolated showers. .TONIGHT...N winds 20 to 25 kt. Seas 7 to 9 ft. Isolated showers. .THU...N winds 20 to 30 kt, increasing to 25 to 35 kt. Seas 8 to 11 ft. Scattered showers late. .THU NIGHT...N winds 30 to 40 kt. Seas 9 to 15 ft. Scattered showers. .FRI...N winds 30 to 40 kt. Seas 10 to 17 ft. .FRI NIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 10 to 17 ft. .SAT...N winds 20 to 30 kt. Seas 7 to 13 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 6 to 10 ft. .SUN...Variable winds less than 10 kt, becoming S. Seas 5 to 8 ft. .SUN NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. $$ ANZ900-152000- Georges Bank between 68W and the Hague Line- 422 AM EDT Wed Oct 15 2025 ...GALE WARNING... .TODAY...N to NE winds 15 to 25 kt. Seas 6 to 9 ft. Isolated showers. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. Isolated showers. .THU...N winds 20 to 30 kt. Seas 8 to 10 ft. Scattered showers. .THU NIGHT...N winds 30 to 40 kt. Seas 9 to 15 ft. Scattered showers. .FRI...N winds 35 to 45 kt. Seas 12 to 19 ft. .FRI NIGHT...N winds 30 to 35 kt, diminishing to 25 to 30 kt. Seas 11 to 18 ft. .SAT...N winds 20 to 30 kt. Seas 8 to 14 ft. .SAT NIGHT...N winds 20 to 30 kt. Seas 7 to 11 ft. .SUN...N winds 5 to 15 kt, diminishing to less than 10 kt. Seas 5 to 9 ft. .SUN NIGHT...SE winds less than 10 kt, becoming S. Seas 4 to 7 ft. $$ ANZ810-152000- South of New England between the Great South Channel and Montauk Point to 1000 FM- 422 AM EDT Wed Oct 15 2025 ...GALE WARNING... .TODAY...N winds 15 to 25 kt. Seas 6 to 10 ft. Isolated showers. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 9 ft. Isolated showers. .THU...N winds 20 to 30 kt. Seas 6 to 11 ft. .THU NIGHT...N winds 30 to 40 kt. Seas 9 to 15 ft. Scattered showers. .FRI...N winds 25 to 35 kt. Seas 9 to 16 ft. .FRI NIGHT...N winds 20 to 30 kt. Seas 9 to 16 ft. .SAT...N winds 15 to 25 kt. Seas 7 to 13 ft. .SAT NIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 10 ft. .SUN...S winds less than 10 kt, increasing to 5 to 15 kt. Seas 4 to 8 ft. .SUN NIGHT...S winds 10 to 20 kt, becoming SE 15 to 20 kt. Seas 4 to 6 ft. $$ ANZ815-152000- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 422 AM EDT Wed Oct 15 2025 .TODAY...N winds 15 to 25 kt. Seas 5 to 9 ft. Isolated showers. .TONIGHT...N winds 15 to 25 kt. Seas 6 to 8 ft. Isolated showers. .THU...N winds 20 to 30 kt. Seas 5 to 9 ft. .THU NIGHT...N winds 20 to 30 kt. Seas 6 to 11 ft. .FRI...N winds 20 to 30 kt. Seas 7 to 12 ft. .FRI NIGHT...N winds 15 to 25 kt. Seas 7 to 11 ft. .SAT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 10 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 4 to 7 ft. .SUN...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 6 ft. .SUN NIGHT...S winds 15 to 25 kt. Seas 4 to 6 ft. $$ .Forecaster Figurskey. Ocean Prediction Center.