Offshore Forecast
Issued by NWS
Issued by NWS
357 FZNT23 KWNM 170331 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 1131 PM EDT Sun Aug 16 2026 Conditions given represent the highest within that period. Locally higher winds and seas can be expected in and near tstms. ...Please refer to Coastal Waters Forecasts (CWF) available through NOAA Weather Radio and other means for detailed coastal waters forecasts... .SYNOPSIS...High pressure over the outer waters will move E away from the area tonight. A low pressure area moves to near Long Island late tonight, then tracks slowly E over the S waters while strengthening Mon into Tue, with the system then clearing NE of the waters Tue night as it begins to weaken. Weak high pressure will build E into the area Wed, and slide off to the E Wed night as a weak cold front moves off the coast. The front will move SE over the waters Thu, and pass S and E of the area Thu night into Fri. High pressure will build E over New England Thu night, and move E and NE over the waters Fri into Fri night. Eastport Maine to Cape Cod .TONIGHT...S winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 4 ft. Chance of showers. .MON...S to SE winds 10 to 20 kt. Seas 3 to 4 ft. Chance of showers and tstms. .MON NIGHT...S to SE winds 15 to 25 kt. Seas 4 to 7 ft. Showers likely and patchy fog with vsby 1 nm or less. .TUE...N to NE winds 10 to 20 kt. Seas 5 to 8 ft. Chance of showers with vsby 1 nm or less. .TUE NIGHT...NW winds 5 to 15 kt. Seas 4 to 7 ft. .WED...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 4 ft. .THU...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 3 to 4 ft. .FRI...Variable winds 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds less than 10 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank ...GALE WARNING... .TONIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers. .MON...S winds 20 to 30 kt. Seas 5 to 8 ft. Scattered showers and tstms. .MON NIGHT...S winds 25 to 35 kt. Seas 7 to 12 ft. Scattered showers and tstms with vsby 1 nm or less. .TUE...S to SW winds 25 to 35 kt. Seas 7 to 12 ft. Scattered showers and tstms with vsby 1 nm or less. .TUE NIGHT...W to NW winds 5 to 15 kt. Seas 4 to 7 ft. .WED...S to SW winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...N winds 5 to 15 kt. Seas 3 to 4 ft. .FRI...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft. South of New England .TONIGHT...S winds 15 to 25 kt. Seas 3 to 6 ft. Chance of showers and tstms. .MON...SW winds 15 to 25 kt. Seas 4 to 7 ft. Showers and scattered tstms. .MON NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 8 ft. Chance of showers and tstms. .TUE...Variable winds 5 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .WED...SW winds 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...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...N winds 5 to 15 kt. Seas 3 to 4 ft. .FRI...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...E winds 5 to 15 kt. Seas 3 to 4 ft.