


Offshore Forecast
Issued by NWS
Issued by NWS
750 FZNT21 KWBC 302021 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 421 PM EDT Sat Aug 30 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. ANZ898-310800- 421 PM EDT Sat Aug 30 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...A surface trough will develop over the area tonight behind a front moving off to the E. High pressure then builds in for Sun, continuing through Mon. Low pressure will approach the SE waters Mon night and pass just E of the waters Tue. High pressure then returns behind the low and remains in place through Wed night. The high shifts E Thu ahead of low pressure and a warm front that should move into the waters overnight Thu. $$ ANZ800-310800- Gulf of Maine to the Hague Line- 421 PM EDT Sat Aug 30 2025 .TONIGHT...W to SW winds 5 to 15 kt, becoming W to NW. Seas 3 to 4 ft. Isolated showers. .SUN...N to NW winds 5 to 15 kt, becoming W to NW. Seas 3 to 4 ft. .SUN NIGHT...Variable winds less than 10 kt, becoming N to NW. Seas 3 to 4 ft. .MON...N to NE winds 5 to 10 kt. Seas 3 to 4 ft. .MON NIGHT...E to SE winds less than 10 kt, becoming E to NE. Seas 3 to 4 ft. .TUE...E to NE winds 5 to 15 kt, becoming NE 10 to 20 kt. Seas 4 to 7 ft. .TUE NIGHT...N to NW winds 5 to 15 kt, becoming W to NW 5 to 10 kt. Seas 4 to 7 ft. .WED...W winds 5 to 10 kt, becoming SW 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 4 ft. .THU...SW winds 10 to 15 kt, becoming S to SW 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to 4 ft. $$ ANZ805-310800- Georges Bank between Cape Cod and 68W north of 1000 FM- 421 PM EDT Sat Aug 30 2025 .TONIGHT...W to NW winds less than 10 kt, becoming W to SW. Seas 3 to 4 ft. .SUN...N to NW winds 5 to 15 kt, becoming N. Seas 3 to 4 ft. .SUN NIGHT...NE winds 5 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E to NE winds 10 to 20 kt. Seas 4 to 7 ft. .TUE...N to NE winds 15 to 25 kt. Seas 5 to 9 ft. .TUE NIGHT...N winds 5 to 15 kt, becoming N to NW 5 to 10 kt. Seas 5 to 7 ft. .WED...W to NW winds 5 to 10 kt, becoming W to SW 5 to 15 kt. Seas 4 to 5 ft. .WED NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S to SW winds 5 to 10 kt, becoming S 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...S to SE winds 10 to 15 kt. Seas 3 to 4 ft. $$ ANZ900-310800- Georges Bank between 68W and the Hague Line- 421 PM EDT Sat Aug 30 2025 .TONIGHT...W winds 5 to 15 kt, becoming W to SW, then, becoming W. Seas 3 to 5 ft. Isolated showers. .SUN...Variable winds less than 10 kt, becoming N to NW. Seas 3 to 4 ft. .SUN NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. Isolated showers. .MON...NE winds 10 to 15 kt. Seas 3 to 5 ft. .MON NIGHT...E to NE winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...NE winds 20 to 30 kt, becoming N. Seas 8 to 13 ft. .TUE NIGHT...N winds 15 to 25 kt, becoming N to NW 5 to 15 kt. Seas 6 to 11 ft. .WED...NW winds 5 to 10 kt, becoming W. Seas 4 to 5 ft. .WED NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S to SW winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...S winds less than 10 kt, becoming SE. Seas 3 to 4 ft. $$ ANZ810-310800- South of New England between the Great South Channel and Montauk Point to 1000 FM- 421 PM EDT Sat Aug 30 2025 .TONIGHT...W winds 5 to 10 kt, becoming 5 to 15 kt, then, becoming N to NW. Seas 3 to 4 ft. .SUN...N winds 5 to 15 kt, becoming NE. Seas 3 to 4 ft. .SUN NIGHT...NE winds 5 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...E to NE winds 10 to 20 kt. Seas 4 to 7 ft. .TUE...NE winds 10 to 20 kt, becoming N to NE 5 to 15 kt. Seas 4 to 8 ft. .TUE NIGHT...N winds less than 10 kt. Seas 4 to 7 ft. .WED...Variable winds less than 10 kt, becoming SW. Seas 3 to 5 ft. .WED NIGHT...SW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 4 ft. .THU...S winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 10 to 15 kt, becoming SE. Seas 3 to 4 ft. $$ ANZ815-310800- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 421 PM EDT Sat Aug 30 2025 .TONIGHT...W to NW winds less than 10 kt, becoming W to SW, then, becoming N 10 to 20 kt. Seas 3 to 4 ft. .SUN...NE winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .MON...E to NE winds 10 to 20 kt. Seas 3 to 6 ft. .MON NIGHT...E to NE winds 10 to 20 kt, becoming NE 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 5 to 15 kt. Seas 4 to 7 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming N to NW. Seas 4 to 6 ft. .WED...Variable winds less than 10 kt, becoming S to SW. Seas 3 to 5 ft. .WED NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...S to SE winds 10 to 15 kt. Seas 3 to 4 ft. $$ .Forecaster Figurskey. Ocean Prediction Center.