


Offshore Forecast
Issued by NWS
Issued by NWS
554 FZNT21 KWBC 171449 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 1049 AM EDT Fri Oct 17 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. ANZ898-180245- 1049 AM EDT Fri Oct 17 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...Developing low pressure to the SE of the area will drift S then SE today, then slowly move well E of the region tonight through Sat night as high pressure gradually builds E over the area. The high will move E over the waters Sun, then shift E of the region Sun night as a cold front moves E over the W waters. The front will continue moving E across the area Mon and Mon night as low pressure tracks NE along the coast while pulling a low pressure trough over the area into Tue. Another cold front will move over the waters Tue night. $$ ANZ800-180245- Gulf of Maine to the Hague Line- 1049 AM EDT Fri Oct 17 2025 ...GALE WARNING... .TODAY...N winds 25 to 35 kt. Seas 9 to 15 ft. .TONIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 9 to 15 ft. .SAT...N winds 15 to 25 kt. Seas 7 to 12 ft. .SAT NIGHT...N to NW winds 10 to 20 kt, becoming W to SW less than 10 kt. Seas 6 to 10 ft. .SUN...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 7 ft. .SUN NIGHT...S to SE winds 15 to 25 kt. Seas 3 to 6 ft. .MON...SE winds 15 to 25 kt. Seas 4 to 8 ft. .MON NIGHT...S winds 10 to 20 kt, becoming SW 15 to 20 kt. Seas 5 to 9 ft. .TUE...W to SW winds 10 to 20 kt. Seas 5 to 9 ft. .TUE NIGHT...S to SW winds 15 to 20 kt, becoming S 10 to 15 kt. Seas 4 to 7 ft. $$ ANZ805-180245- Georges Bank between Cape Cod and 68W north of 1000 FM- 1049 AM EDT Fri Oct 17 2025 ...GALE WARNING... .TODAY...N winds 30 to 40 kt. Seas 11 to 19 ft. .TONIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 11 to 19 ft. .SAT...N winds 20 to 30 kt. Seas 8 to 14 ft. .SAT NIGHT...N winds 10 to 20 kt, becoming N to NW 5 to 15 kt. Seas 6 to 11 ft. .SUN...Variable winds less than 10 kt, becoming S. Seas 5 to 8 ft. .SUN NIGHT...S to SE winds 10 to 20 kt. Seas 5 to 7 ft. .MON...SE winds 20 to 25 kt, becoming S 15 to 25 kt. Seas 6 to 9 ft. .MON NIGHT...W to SW winds 15 to 20 kt. Seas 6 to 10 ft. .TUE...W winds 15 to 25 kt, becoming SW 15 to 20 kt. Seas 5 to 9 ft. .TUE NIGHT...SW winds 10 to 20 kt, becoming S 10 to 15 kt. Seas 4 to 7 ft. $$ ANZ900-180245- Georges Bank between 68W and the Hague Line- 1049 AM EDT Fri Oct 17 2025 ...GALE WARNING... .TODAY...N winds 35 to 45 kt. Seas 14 to 22 ft. Scattered showers. .TONIGHT...N winds 30 to 35 kt, diminishing to 25 to 30 kt. Seas 12 to 20 ft. .SAT...N winds 20 to 30 kt. Seas 10 to 16 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 7 to 13 ft. .SUN...N winds 10 to 20 kt, becoming variable less than 10 kt. Seas 5 to 9 ft. .SUN NIGHT...S to SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas 5 to 7 ft. .MON...S to SE winds 15 to 25 kt. Seas 5 to 8 ft. .MON NIGHT...S winds 15 to 20 kt, becoming SW. Seas 7 to 10 ft. .TUE...W to SW winds 15 to 25 kt. Seas 7 to 9 ft. .TUE NIGHT...SW winds 10 to 15 kt, becoming S. Seas 5 to 8 ft. $$ ANZ810-180245- South of New England between the Great South Channel and Montauk Point to 1000 FM- 1049 AM EDT Fri Oct 17 2025 ...GALE WARNING... .TODAY...N winds 30 to 40 kt. Seas 11 to 18 ft. .TONIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 10 to 18 ft. .SAT...N winds 15 to 25 kt. Seas 8 to 14 ft. .SAT NIGHT...N winds 5 to 15 kt, becoming variable. Seas 6 to 10 ft. .SUN...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 4 to 8 ft. .SUN NIGHT...S winds 15 to 25 kt. Seas 5 to 7 ft. .MON...S winds 20 to 25 kt, becoming SW. Seas 7 to 10 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 7 to 11 ft. .TUE...W winds 15 to 20 kt, becoming SW. Seas 5 to 9 ft. .TUE NIGHT...S winds 10 to 20 kt. Seas 4 to 6 ft. $$ ANZ815-180245- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 1049 AM EDT Fri Oct 17 2025 .TODAY...N winds 20 to 30 kt. Seas 7 to 12 ft. .TONIGHT...N winds 15 to 25 kt. Seas 7 to 12 ft. .SAT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 6 to 10 ft. .SAT NIGHT...Variable winds less than 10 kt, becoming S. Seas 4 to 8 ft. .SUN...S winds 10 to 20 kt. Seas 4 to 7 ft. .SUN NIGHT...S winds 20 to 30 kt. Seas 6 to 9 ft. .MON...S winds 20 to 25 kt, becoming W. Seas 6 to 10 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 6 to 10 ft. .TUE...W winds 10 to 20 kt, becoming SW 15 to 20 kt. Seas 4 to 8 ft. .TUE NIGHT...S winds 15 to 20 kt. Seas 4 to 7 ft. $$ .Forecaster Huffman. Ocean Prediction Center.