Offshore Forecast
Issued by NWS
Issued by NWS
864 FZNT23 KWNM 200842 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 342 AM EST Thu Nov 20 2025 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 will build over the waters today, then shift NE of the region tonight into Fri. Low pressure will pass just S and SE of the area today into tonight, then track NE to the E of the waters Fri into Fri night. An area of low pressure and associated warm front will move offshore into the southern waters late Fri. Meanwhile, a cold front will move SE across the waters Fri night into Sat. The low will be absorbed by the cold front Sat and move quickly NE away from the area Sat night. A high pressure ridge will pass by to the S of the waters Sat night through Sun night. Another cold front will move SE across the waters Mon, followed by high pressure building E across the waters Mon night. Eastport Maine to Cape Cod .TODAY...NE winds 5 to 15 kt. Seas 3 ft. .TONIGHT...Variable winds 5 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...W winds 10 to 20 kt. Seas 3 to 5 ft. Chance of showers. .SAT...N to NW winds 15 to 25 kt. Seas 3 to 5 ft. .SAT NIGHT...N to NW winds 20 to 30 kt. Seas 5 to 7 ft. .SUN...W winds 5 to 15 kt. Seas 3 to 6 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 3 to 5 ft. .MON...NW winds 20 to 30 kt. Seas 4 to 7 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 4 to 7 ft. Cape Cod to Nantucket Shoals and Georges Bank ...GALE FORCE WINDS POSSIBLE SAT NIGHT... .TODAY...N winds 15 to 25 kt. Seas 4 to 8 ft. Scattered showers. .TONIGHT...N winds 10 to 20 kt. Seas 4 to 6 ft. .FRI...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. Chance of showers. .SAT...N winds 20 to 30 kt. Seas 4 to 7 ft. .SAT NIGHT...N winds 25 to 35 kt. Seas 5 to 8 ft. .SUN...W to NW winds 5 to 15 kt. Seas 4 to 8 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 3 to 5 ft. .MON...W to NW winds 20 to 30 kt. Seas 5 to 9 ft. .MON NIGHT...NW winds 15 to 25 kt. Seas 5 to 8 ft. South of New England .TODAY...N to NE winds 15 to 25 kt. Seas 4 to 7 ft. .TONIGHT...Variable winds 5 to 15 kt. Seas 3 to 4 ft. .FRI...SW winds 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 5 ft. Chance of showers and areas of fog with vsby 1 nm or less. .SAT...N winds 10 to 20 kt. Seas 4 to 7 ft. .SAT NIGHT...N winds 15 to 25 kt. Seas 5 to 8 ft. .SUN...W winds 5 to 15 kt. Seas 4 to 7 ft. .SUN NIGHT...W winds 10 to 20 kt. Seas 3 to 6 ft. .MON...NW winds 15 to 25 kt. Seas 5 to 8 ft. .MON NIGHT...N to NW winds 15 to 25 kt. Seas 4 to 7 ft.