


Offshore Forecast
Issued by NWS
Issued by NWS
202 FZNT21 KWBC 290857 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 457 AM EDT Fri Aug 29 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. ANZ898-291945- 457 AM EDT Fri Aug 29 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...High pressure over the outer waters will move E of the area this morning as a cold front approaches from the W. The front will move slowly offshore tonight into Sat, then pass E of the area later Sat and Sat night. A weak low pressure trough will move SE over the region Sat night into Sun. Another high will build SE across the area Sun into Mon night, then shift E of the region Tue and Tue night while maintaining a ridge across the area. $$ ANZ800-291945- Gulf of Maine to the Hague Line- 457 AM EDT Fri Aug 29 2025 .TODAY...S winds 10 to 15 kt. Seas 3 to 4 ft. Chance of showers and tstms. .TONIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and chance of tstms. .SAT...S to SW winds 5 to 15 kt, becoming W. Seas 3 to 4 ft. Scattered showers and chance of tstms. .SAT NIGHT...W winds less than 10 kt, becoming NW. Seas 3 to 4 ft. .SUN...N to NW winds less than 10 kt, becoming W to NW. Seas 3 to 4 ft. .SUN NIGHT...W winds less than 10 kt, becoming NW. Seas 3 to 4 ft. .MON...N to NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...Variable winds less than 5 kt. Seas 2 ft or less. .TUE...Variable winds less than 5 kt. Seas 2 ft or less. .TUE NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft. $$ ANZ805-291945- Georges Bank between Cape Cod and 68W north of 1000 FM- 457 AM EDT Fri Aug 29 2025 .TODAY...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. Chance of tstms. .TONIGHT...S to SE winds 5 to 15 kt, becoming S to SW. Seas 3 to 4 ft. Scattered showers and chance of tstms. .SAT...W to SW winds 5 to 10 kt. Seas 3 to 4 ft. Scattered showers and chance of tstms. .SAT NIGHT...W winds 5 to 10 kt. Seas 3 to 4 ft. .SUN...N to NW winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...N winds less than 10 kt, becoming N to NE. Seas 3 to 4 ft. .MON...N to NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .TUE NIGHT...Variable winds less than 5 kt. Seas 3 to 4 ft. $$ ANZ900-291945- Georges Bank between 68W and the Hague Line- 457 AM EDT Fri Aug 29 2025 .TODAY...S winds 5 to 10 kt, becoming S to SE 5 to 15 kt, then, becoming E to SE. Seas 3 to 4 ft. .TONIGHT...E to SE winds less than 10 kt, becoming variable. Seas 3 to 4 ft. Scattered showers and chance of tstms. .SAT...S to SW winds less than 10 kt, becoming W to SW. Seas 3 to 4 ft. Scattered showers and chance of tstms. .SAT NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 4 ft. .SUN...Variable winds less than 5 kt, becoming N to NW. Seas 3 to 4 ft. .SUN NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft. .MON...N winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 5 to 10 kt. Seas 3 to 4 ft. .TUE...NE winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .TUE NIGHT...N to NE winds less than 5 kt. Seas 3 to 4 ft. $$ ANZ810-291945- South of New England between the Great South Channel and Montauk Point to 1000 FM- 457 AM EDT Fri Aug 29 2025 .TODAY...S to SE winds 5 to 15 kt, becoming E to SE. Seas 3 to 4 ft. Chance of showers and tstms. .TONIGHT...S to SW winds less than 10 kt, becoming W to SW. Seas 3 to 4 ft. Scattered showers and chance of tstms. .SAT...W to NW winds 5 to 15 kt, becoming W 5 to 10 kt. Seas 3 to 4 ft. Scattered showers and chance of tstms. .SAT NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...N winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds less than 10 kt, becoming N to NE. Seas 3 to 4 ft. .MON...NE winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds less than 10 kt. Seas 3 to 4 ft. .TUE...E to NE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...Variable winds less than 5 kt, becoming N. Seas 3 to 4 ft. $$ ANZ815-291945- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 457 AM EDT Fri Aug 29 2025 .TODAY...S to SW winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 to 4 ft. Chance of showers and tstms. .TONIGHT...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and chance of tstms. .SAT...NW winds 5 to 15 kt, becoming W to NW 5 to 10 kt. Seas 3 to 4 ft. .SAT NIGHT...W winds 5 to 15 kt, becoming N to NW 5 to 10 kt. Seas 3 to 4 ft. .SUN...N winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...E to NE winds less than 10 kt, becoming N to NE. Seas 3 to 4 ft. .MON...NE winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt, becoming N to NE. Seas 3 to 4 ft. .TUE...NE winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. $$ .Forecaster Bancroft. Ocean Prediction Center.