Offshore Forecast
Issued by NWS
Issued by NWS
384 FZNT23 KWNM 132031 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 431 PM EDT Sun Sep 13 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...A high pressure ridge over the Georges Bank this evening will shift E of the area early tonight. A warm front will lift N across the waters tonight as weak low pressure tracks E and NE over the Gulf of Maine while pulling a cold front over the region. Another cold front will move across the area Mon, then pass SE of the waters Mon night. The front will stall S of the area Tue into Tue night as low pressure forms along the boundary, then slowly weaken Wed into Thu night. Strong high pressure will build slowly SE over the region Mon night into Wed night, then slowly shift E of the area Thu and Thu night as a weak cold front moves slowly SE over the waters. The front will dissipate over the area Fri and Fri night as another high builds SE over the region. Eastport Maine to Cape Cod .TONIGHT...W winds 10 to 20 kt. Seas 3 to 6 ft. Rain. Areas of fog. Vsby 1 NM or less. .MON...NW winds 10 to 20 kt. Seas 3 to 6 ft. Chance of showers with vsby 1 nm or less. .MON NIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .TUE...Variable winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .WED...S to SW winds less than 10 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds less than 10 kt. Seas 3 to 4 ft. .THU...S winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .FRI...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...N winds 5 to 15 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank .TONIGHT...W to SW winds 15 to 25 kt. Seas 4 to 8 ft. Scattered showers and tstms with vsby 1 nm or less. .MON...N winds 15 to 25 kt. Seas 4 to 7 ft. Scattered showers and tstms. .MON NIGHT...N to NE winds 20 to 30 kt. Seas 5 to 9 ft. Chance of showers. .TUE...NE winds 15 to 25 kt. Seas 6 to 10 ft. .TUE NIGHT...NE winds 10 to 20 kt. Seas 4 to 8 ft. .WED...NE winds 5 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 3 to 5 ft. .THU...Variable winds less than 10 kt. Seas 3 to 5 ft. .THU NIGHT...Variable winds 5 to 15 kt. Seas 3 to 4 ft. .FRI...Variable winds 5 to 15 kt. Seas 3 to 4 ft. .FRI NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. South of New England .TONIGHT...W to NW winds 10 to 20 kt. Seas 3 to 5 ft. Rain with vsby 1 nm or less. Scattered tstms. .MON...N winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers and tstms. .MON NIGHT...NE winds 15 to 25 kt. Seas 5 to 8 ft. .TUE...NE winds 15 to 25 kt. Seas 5 to 9 ft. .TUE NIGHT...E to NE winds 10 to 20 kt. Seas 5 to 8 ft. .WED...Variable winds 5 to 15 kt. Seas 4 to 6 ft. .WED NIGHT...Variable winds 5 to 15 kt. Seas 3 to 5 ft. .THU...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...W winds 5 to 15 kt. Seas 3 to 4 ft. .FRI...NE winds 5 to 15 kt. Seas 3 to 6 ft. .FRI NIGHT...NE winds 5 to 15 kt. Seas 3 to 5 ft.