


Offshore Forecast
Issued by NWS
Issued by NWS
199 FZNT21 KWBC 040820 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 420 AM EDT Sat Oct 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. ANZ898-042000- 420 AM EDT Sat Oct 4 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...A weakening cold front will approach from the N today, stall over the northern Gulf of Maine tonight, and then dissipate Sun. Otherwise, strong high pressure will persist just to the S of the waters today into Mon before shifting off to the E and SE of the area Mon night into Tue night. A cold front will approach the area from the W and NW later Tue night, with the front moving SE across the waters Wed and Wed night. $$ ANZ800-042000- Gulf of Maine to the Hague Line- 420 AM EDT Sat Oct 4 2025 .TODAY...W to NW winds 5 to 15 kt, becoming W 5 to 10 kt. Seas 3 to 5 ft. .TONIGHT...W to SW winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .SUN...Variable winds less than 10 kt, becoming S to SW. Seas 3 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to 4 ft. .MON...SW winds 10 to 15 kt, becoming S to SW 10 to 20 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 15 to 20 kt. Seas 3 to 5 ft. .TUE...SW winds 15 to 25 kt. Seas 3 to 6 ft. .TUE NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. .WED...W to SW winds 15 to 25 kt. Seas 4 to 7 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. $$ ANZ805-042000- Georges Bank between Cape Cod and 68W north of 1000 FM- 420 AM EDT Sat Oct 4 2025 .TODAY...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. .TONIGHT...W to SW winds 5 to 10 kt. Seas 3 to 5 ft. .SUN...SW winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. .MON...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. .WED...SW winds 10 to 20 kt. Seas 3 to 6 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. $$ ANZ900-042000- Georges Bank between 68W and the Hague Line- 420 AM EDT Sat Oct 4 2025 .TODAY...W winds 15 to 20 kt, diminishing to 10 to 15 kt, then, becoming 10 to 20 kt. Seas 3 to 6 ft. .TONIGHT...W winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft. .SUN...Variable winds less than 10 kt, becoming SW. Seas 3 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. .MON...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE and TUE NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 20 kt. Seas 3 to 6 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 5 to 7 ft. $$ ANZ810-042000- South of New England between the Great South Channel and Montauk Point to 1000 FM- 420 AM EDT Sat Oct 4 2025 .TODAY...W winds 10 to 15 kt. Seas 3 to 6 ft. .TONIGHT...W winds 5 to 10 kt. Seas 3 to 5 ft. .SUN...W to SW winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT and MON...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .WED...SW winds 10 to 20 kt, becoming W. Seas 3 to 5 ft. .WED NIGHT...Winds increasing to N to NE 20 to 30 kt. Seas building to 4 to 7 ft. $$ ANZ815-042000- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 420 AM EDT Sat Oct 4 2025 .TODAY...W winds 5 to 15 kt. Seas 3 to 6 ft. .TONIGHT...W to SW winds 5 to 10 kt. Seas 3 to 4 ft. .SUN...W winds 5 to 10 kt, becoming SW. Seas 3 to 4 ft. .SUN NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. .MON...SW winds 5 to 10 kt, becoming S to SW 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .TUE...SW winds 10 to 15 kt, becoming S to SW 10 to 20 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft. .WED...W to SW winds 10 to 15 kt, becoming N 15 to 25 kt. Seas 3 to 5 ft. .WED NIGHT...N winds 15 to 25 kt. Seas 4 to 7 ft. $$ .Forecaster Mills. Ocean Prediction Center.