Offshore Forecast
Issued by NWS
Issued by NWS
679 FZNT23 KWNM 100339 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC ISSUED BY NWS National Hurricane Center Miami FL 1039 PM EST Tue Dec 9 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 across the waters will shift E tonight as weak low pressure develops and moves NE along the Maine coast, pulling a weak warm front NE across the area. Another warm front will lift N across the waters Wed ahead of a stronger area of low pressure moving E into northern New England Wed night. A strong cold front associated with this system will sweep E and SE over the area Wed night into Thu, followed by a secondary cold front or low pressure trough Thu into Fri. High pressure to the S will build E and extend a ridge across the waters Fri into Sat. Another trough or weak cold front will cross the area Sat as the ridge shifts E and weakens. Sat night, developing low pressure with a warm front extending E from the low will move into the area from the SW. A cold front will approach the coast from the W late Sat night. The low and associated front will cross the waters Sun. The cold front will largely stay S and SE of the area through Sun night as the low moves NE. High pressure will build across the waters Sun night behind the cold front. Eastport Maine to Cape Cod ...GALE WARNING... .TONIGHT...SW winds 20 to 30 kt. Seas 3 to 5 ft, building to 6 to 9 ft. Chance of rain and snow with vsby 1 nm or less. .WED...S winds 20 to 30 kt. Seas 6 to 10 ft. .WED NIGHT...SW winds 20 to 30 kt. Seas 7 to 11 ft. Chance of rain. .THU...W winds 25 to 35 kt. Seas 8 to 14 ft. .THU NIGHT...W winds 30 to 40 kt. Seas 13 to 18 ft. .FRI...W winds 30 to 40 kt. Seas 12 to 18 ft. .FRI NIGHT...W winds 20 to 30 kt. Seas 8 to 14 ft. .SAT...W winds 10 to 20 kt. Seas 5 to 9 ft. .SAT NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft. .SUN...NW winds 15 to 25 kt. Seas 4 to 6 ft. .SUN NIGHT...NW winds 20 to 30 kt. Seas 7 to 12 ft. Cape Cod to Nantucket Shoals and Georges Bank ...GALE WARNING... .TONIGHT...SW winds 20 to 30 kt. Seas 5 to 7 ft. Scattered showers. .WED...SW winds 20 to 30 kt. Seas 5 to 9 ft. .WED NIGHT...W winds 25 to 35 kt. Seas 9 to 15 ft. Scattered showers. .THU...W winds 25 to 35 kt. Seas 11 to 17 ft. Scattered showers. .THU NIGHT...W winds 30 to 40 kt. Seas 13 to 19 ft. .FRI...W winds 30 to 40 kt. Seas 14 to 20 ft. .FRI NIGHT...W winds 20 to 30 kt. Seas 10 to 17 ft. .SAT...W winds 15 to 25 kt. Seas 6 to 10 ft. .SAT NIGHT...W winds 15 to 25 kt. Seas 5 to 9 ft. .SUN...NW winds 20 to 30 kt. Seas 5 to 9 ft. .SUN NIGHT...NW winds 30 to 40 kt. Seas 9 to 16 ft. South of New England ...GALE WARNING... .TONIGHT...SW winds 20 to 30 kt. Seas 5 to 9 ft. Slight chance of rain. .WED...SW winds 25 to 35 kt. Seas 8 to 13 ft. .WED NIGHT...W winds 25 to 35 kt. Seas 9 to 15 ft. Chance of rain. .THU...W winds 25 to 35 kt. Seas 11 to 15 ft. .THU NIGHT...W winds 30 to 40 kt. Seas 11 to 16 ft. .FRI...W winds 25 to 35 kt. Seas 9 to 15 ft. .FRI NIGHT...W winds 15 to 25 kt. Seas 5 to 9 ft. .SAT...W winds 15 to 25 kt. Seas 4 to 8 ft. .SAT NIGHT...W winds 15 to 25 kt. Seas 5 to 8 ft. .SUN...NW winds 20 to 30 kt. Seas 5 to 9 ft. .SUN NIGHT...NW winds 30 to 40 kt. Seas 9 to 16 ft.