


Offshore Forecast
Issued by NWS
Issued by NWS
438 FZNT21 KWBC 242035 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 435 PM EDT Sat May 24 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. ANZ898-250800- 435 PM EDT Sat May 24 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...Broad low pressure over New Brunswick will move slowly E across Nova Scotia tonight and Sun, dragging a weak trough E across the waters. High pressure will gradually build E across the southern waters S of Long Island Sun night through Tue, then shift E of the waters Tue night through Wed night, maintaining a ridge across Georges Bank. S winds will increase across the waters Thu ahead of a cold front moving E into the waters Thu night. $$ ANZ800-250800- Gulf of Maine to the Hague Line- 435 PM EDT Sat May 24 2025 .TONIGHT...W winds less than 10 kt, becoming W to NW. Seas 3 to 5 ft. Isolated showers early. .SUN...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 5 to 10 kt, becoming NW. Seas 3 to 4 ft. .MON...N winds 5 to 10 kt, becoming variable. Seas 3 ft, becoming 2 ft or less. .MON NIGHT...W winds 5 to 10 kt. Seas 2 ft or less. .TUE...W winds 5 to 10 kt. Seas 2 ft or less. .TUE NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .WED...W winds 5 to 10 kt, becoming SW 10 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. .THU...S to SW winds 10 to 15 kt, becoming S 15 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 6 ft. $$ ANZ805-250800- Georges Bank between Cape Cod and 68W north of 1000 FM- 435 PM EDT Sat May 24 2025 .TONIGHT...W to NW winds 15 to 25 kt. Seas 4 to 7 ft. Isolated showers. .SUN...W to NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. .SUN NIGHT...W to SW winds 5 to 15 kt, becoming W to NW. Seas 3 to 5 ft. .MON...N to NW winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...N to NW winds 5 to 10 kt, becoming W to NW. Seas 2 ft or less. .TUE...W winds less than 10 kt. Seas 2 ft or less. .TUE NIGHT...W winds 5 to 15 kt. Seas 3 to 4 ft. .WED...W winds less than 10 kt, becoming SW. Seas 3 to 4 ft. .WED NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 7 ft. $$ ANZ900-250800- Georges Bank between 68W and the Hague Line- 435 PM EDT Sat May 24 2025 .TONIGHT...W winds 15 to 25 kt. Seas 5 to 8 ft. Isolated showers. .SUN...W winds 10 to 20 kt. Seas 4 to 6 ft. .SUN NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. .MON...N to NW winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...NW winds 5 to 10 kt. Seas 3 to 4 ft. .TUE...W to NW winds 5 to 10 kt. Seas 3 to 4 ft. .TUE NIGHT...W winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft. .WED...W winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S winds 10 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 15 to 25 kt. Seas 4 to 7 ft. $$ ANZ810-250800- South of New England between the Great South Channel and Montauk Point to 1000 FM- 435 PM EDT Sat May 24 2025 .TONIGHT...W winds 15 to 25 kt. Seas 4 to 7 ft. Isolated showers. .SUN...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 6 ft. .SUN NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. .MON...N winds less than 10 kt. Seas 3 ft, becoming 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming W to NW. Seas 2 ft or less. .TUE...W to NW winds less than 10 kt, becoming variable. Seas 2 ft or less. .TUE NIGHT...W to SW winds less than 10 kt. Seas 2 ft or less, becoming 3 ft. .WED...S to SW winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...S winds 5 to 10 kt, becoming S to SE 10 to 15 kt. Seas 3 to 4 ft. .THU...S winds 10 to 20 kt. Seas 3 to 6 ft. .THU NIGHT...S to SW winds 10 to 20 kt. Seas 4 to 8 ft. $$ ANZ815-250800- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 435 PM EDT Sat May 24 2025 .TONIGHT...W winds 10 to 20 kt. Seas 3 to 6 ft. Isolated showers. .SUN...W to NW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...W winds 5 to 15 kt, becoming N to NW 5 to 10 kt. Seas 3 to 4 ft. .MON...N winds 5 to 15 kt, diminishing to less than 10 kt. Seas 3 ft, becoming 2 ft or less. .MON NIGHT...Variable winds less than 10 kt, becoming W to SW. Seas 2 ft or less. .TUE...W to NW winds less than 5 kt, becoming S. Seas 2 ft or less. .TUE NIGHT...S to SW winds 5 to 10 kt. Seas 2 ft or less, becoming 3 ft. .WED...S to SE winds 5 to 10 kt. Seas 3 to 4 ft. .WED NIGHT...S to SE winds 10 to 15 kt. Seas 3 to 4 ft. .THU...S winds 10 to 20 kt. Seas 4 to 7 ft. .THU NIGHT...S to SW winds 10 to 20 kt, becoming W to SW 10 to 15 kt. Seas 5 to 7 ft. $$ .Forecaster Connelly. Ocean Prediction Center.