Offshore Forecast
Issued by NWS
Issued by NWS
389 FZNT23 KWNM 180322 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 1022 PM EST Mon Nov 17 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...A series of surface troughs will continue to move NW to SE over the area tonight through Tue night around broad low pressure over Atlantic Canada. High pressure builds over the waters Wed and continues through Thu night. Low pressure will move just S and SE of the area Wed night through Thu night. High pressure shifts E Fri as a cold front approaches from the W. The front moves through the waters Fri night and early Sat. High pressure builds over the area once again for Sat and most of Sat night, with a surface trough developing over the waters Sat night. Eastport Maine to Cape Cod .TONIGHT...W winds 20 to 30 kt. Seas 9 to 14 ft. Isolated showers. .TUE...W winds 20 to 30 kt. Seas 8 to 12 ft. .TUE NIGHT...W to NW winds 15 to 25 kt. Seas 6 to 10 ft. .WED...W winds 5 to 15 kt. Seas 3 to 6 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .THU...Variable winds less than 10 kt. Seas 2 ft or less. .THU NIGHT...Variable winds 5 to 15 kt. Seas 3 ft. .FRI...SW winds 10 to 20 kt. Seas 3 to 4 ft. .FRI NIGHT...W to SW winds 15 to 25 kt. Seas 4 to 7 ft. .SAT...NW winds 15 to 25 kt. Seas 5 to 8 ft. .SAT NIGHT...W to NW winds 15 to 25 kt. Seas 5 to 8 ft. Cape Cod to Nantucket Shoals and Georges Bank ...GALE WARNING... .TONIGHT...W winds 25 to 35 kt, diminishing to 20 to 30 kt. Seas 11 to 18 ft. Isolated showers. .TUE...W winds 20 to 30 kt. Seas 9 to 15 ft. .TUE NIGHT...W winds 15 to 25 kt. Seas 7 to 11 ft. .WED...W winds 10 to 20 kt. Seas 4 to 7 ft. Rain likely. .WED NIGHT...E to NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...NE winds 15 to 25 kt. Seas 3 to 5 ft. .THU NIGHT...N to NE winds 15 to 25 kt. Seas 3 to 6 ft. .FRI...NW winds 10 to 20 kt. Seas 3 to 6 ft. .FRI NIGHT...S to SW winds 15 to 25 kt. Seas 5 to 9 ft. .SAT...NW winds 20 to 30 kt. Seas 8 to 11 ft. .SAT NIGHT...NW winds 15 to 25 kt. Seas 5 to 9 ft. South of New England .TONIGHT...NW winds 20 to 30 kt. Seas 8 to 14 ft. .TUE...W winds 15 to 25 kt. Seas 6 to 11 ft. .TUE NIGHT...W winds 10 to 20 kt. Seas 4 to 7 ft. Rain likely. .WED...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. Rain likely. .WED NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. .THU...N to NE winds 15 to 25 kt. Seas 3 to 5 ft. .THU NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft. .FRI...SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...S to SW winds 15 to 25 kt. Seas 4 to 8 ft. .SAT...NW winds 20 to 30 kt. Seas 6 to 9 ft. .SAT NIGHT...NW winds 10 to 20 kt. Seas 4 to 8 ft.