


Offshore Forecast
Issued by NWS
Issued by NWS
012 FZNT21 KWBC 311507 OFFNT1 Offshore Waters Forecast NWS Ocean Prediction Center Washington DC 1107 AM EDT Sun Aug 31 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. ANZ898-010215- 1107 AM EDT Sun Aug 31 2025 .SYNOPSIS FOR NEW ENGLAND WATERS...A weak low pressure trough will cross the area today. High pressure then builds in later today and continues through Mon. Low pressure will approach the SE waters Mon night and pass just E of the waters Tue. High pressure will then return behind the low and remains in place through Wed night. The high will shift E Thu ahead of low pressure and a warm front that will approach from the S Thu night. $$ ANZ800-010215- Gulf of Maine to the Hague Line- 1107 AM EDT Sun Aug 31 2025 .TODAY...N winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .TONIGHT...Variable winds less than 10 kt, becoming N. Seas 3 to 4 ft. .MON...NE winds 5 to 10 kt, becoming E. Seas 3 to 4 ft. .MON NIGHT...E winds less than 10 kt, becoming E to NE. Seas 3 to 4 ft. .TUE...E to NE winds 5 to 15 kt, becoming NE 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...N to NE winds 5 to 15 kt, becoming variable. Seas 4 to 7 ft. .WED...Variable winds less than 10 kt, becoming S to SW. Seas 3 to 4 ft. .WED NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S winds 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. $$ ANZ805-010215- Georges Bank between Cape Cod and 68W north of 1000 FM- 1107 AM EDT Sun Aug 31 2025 .TODAY...N winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...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...NE winds 10 to 20 kt. Seas 4 to 7 ft. .TUE...N to NE winds 15 to 25 kt. Seas 4 to 8 ft. .TUE NIGHT...N winds 5 to 15 kt, becoming NE. Seas 4 to 7 ft. .WED...NE winds 5 to 15 kt, becoming variable. Seas 3 to 5 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .THU...Variable winds 5 to 15 kt, becoming S. Seas 3 to 4 ft. .THU NIGHT...S winds 5 to 10 kt, becoming SE 5 to 15 kt. Seas 3 to 4 ft. $$ ANZ900-010215- Georges Bank between 68W and the Hague Line- 1107 AM EDT Sun Aug 31 2025 .TODAY...Variable winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...N to NE winds 5 to 10 kt, becoming NE 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...NE winds 10 to 20 kt. Seas 4 to 7 ft. .TUE...N to NE winds 15 to 25 kt. Seas 6 to 10 ft. .TUE NIGHT...N winds 10 to 20 kt, becoming NE 5 to 15 kt. Seas 6 to 11 ft, subsiding to 4 to 6 ft. .WED...NE winds 5 to 15 kt, diminishing to less than 10 kt. Seas 4 to 5 ft. .WED NIGHT...NE winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .THU...Variable winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...S to SE winds less than 10 kt, becoming E to SE. Seas 3 to 4 ft. $$ ANZ810-010215- South of New England between the Great South Channel and Montauk Point to 1000 FM- 1107 AM EDT Sun Aug 31 2025 .TODAY...N winds 5 to 10 kt, becoming NE. Seas 3 to 4 ft. .TONIGHT...NE winds 10 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 15 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 15 to 20 kt. Seas 4 to 7 ft. .TUE...N to NE winds 10 to 20 kt. Seas 4 to 7 ft. .TUE NIGHT...N to NE winds less than 10 kt, becoming NE. Seas 4 to 7 ft. .WED...NE winds 5 to 10 kt, becoming variable. Seas 3 to 5 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .THU...Variable winds less than 10 kt, becoming S. Seas 3 to 4 ft. .THU NIGHT...S winds 5 to 15 kt, becoming SE. Seas 3 to 4 ft. $$ ANZ815-010215- South of Long Island between Montauk Point and Sandy Hook to 1000 FM- 1107 AM EDT Sun Aug 31 2025 .TODAY...N to NE winds less than 10 kt. Seas 3 to 4 ft. .TONIGHT...NE winds 5 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 15 to 20 kt, becoming E. Seas 3 to 5 ft. .MON NIGHT...E to NE winds 10 to 20 kt, becoming NE 10 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 5 to 15 kt. Seas 4 to 6 ft. .TUE NIGHT...Variable winds less than 10 kt, becoming N to NE. Seas 3 to 6 ft. .WED...NE winds 5 to 10 kt, becoming variable. Seas 3 to 4 ft. .WED NIGHT...S winds less than 10 kt, becoming variable. Seas 3 to 4 ft. .THU...S winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 10 to 15 kt, becoming SE 10 to 20 kt. Seas 3 to 4 ft. $$ .Forecaster Connelly. Ocean Prediction Center.