Offshore Forecast
Issued by NWS
Issued by NWS
410 FZNT23 KWNM 301528 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 1028 AM EST Sun Nov 30 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 warm front will develop and move N over the area this afternoon, and reach the Gulf of Maine Sun tonight. A cold front will sweep E across the waters tonight, and move well E of the area Mon. High pressure will build E across the area late Mon, persist Mon night, and then move quickly off to the E early Tue. Intensifying low pressure will approach the waters from the SW early Tue and move into the area late Tue into Tue night. The low will rapidly exit NE of the region Wed before high pressure quickly moves across the waters Wed night. Yet another cold front will move across the area Thu before exiting to the E and SE late Thu night. Mariners should monitor the latest forecasts for the intensifying low pressure system set to impact the region Tue into Wed, and begin to strongly consider avoidance routing at this time. Eastport Maine to Cape Cod ...GALE WARNING... .TODAY...S winds 10 to 20 kt, increasing to 20 to 30 kt. Seas 4 to 7 ft. Chance of rain. .TONIGHT...W winds 25 to 35 kt. Seas 8 to 12 ft. Chance of rain. .MON...NW winds 20 to 30 kt. Seas 6 to 9 ft. .MON NIGHT...E to NE winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...S to SE winds 10 to 20 kt. Seas 3 to 5 ft. .TUE NIGHT...N winds 25 to 35 kt. Seas 8 to 13 ft. .WED...NW winds 20 to 30 kt. Seas 10 to 15 ft. .WED NIGHT...SW winds 15 to 25 kt. Seas 6 to 11 ft. .THU...W winds 25 to 35 kt. Seas 6 to 10 ft. .THU NIGHT...NW winds 30 to 40 kt. Seas 10 to 17 ft. Cape Cod to Nantucket Shoals and Georges Bank ...STORM FORCE WINDS POSSIBLE TUE NIGHT... .TODAY...S winds 10 to 20 kt. Seas 3 to 5 ft. Chance of rain. .TONIGHT...W to SW winds 20 to 30 kt. Seas 5 to 7 ft. Scattered showers. .MON...NW winds 20 to 30 kt. Seas 5 to 9 ft. .MON NIGHT...E to SE winds 10 to 20 kt. Seas 5 to 9 ft. .TUE...S to SE winds 30 to 40 kt. Seas 5 to 9 ft. .TUE NIGHT...W to NW winds 40 to 50 kt. Seas 13 to 18 ft. .WED...NW winds 25 to 35 kt. Seas 11 to 18 ft. .WED NIGHT...W winds 10 to 20 kt. Seas 7 to 13 ft. .THU...W winds 20 to 30 kt. Seas 6 to 10 ft. .THU NIGHT...NW winds 30 to 40 kt. Seas 9 to 16 ft. South of New England ...GALE FORCE WINDS POSSIBLE TUE... .TODAY...S winds 15 to 25 kt. Seas 4 to 7 ft. Chance of rain. .TONIGHT...W winds 20 to 30 kt. Seas 5 to 8 ft. Rain likely. .MON...N to NW winds 15 to 25 kt. Seas 5 to 8 ft. .MON NIGHT...S to SE winds 5 to 15 kt. Seas 4 to 7 ft. .TUE...S winds 30 to 40 kt. Seas 5 to 8 ft. .TUE NIGHT...NW winds 25 to 35 kt. Seas 11 to 16 ft. .WED...NW winds 15 to 25 kt. Seas 9 to 15 ft. .WED NIGHT...W to SW winds 15 to 25 kt. Seas 5 to 9 ft. .THU...W winds 30 to 40 kt. Seas 6 to 11 ft. .THU NIGHT...N to NW winds 35 to 45 kt. Seas 9 to 15 ft.