


Offshore Forecast
Issued by NWS
Issued by NWS
501 FZNT23 KWNM 200929 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 529 AM EDT Sun Apr 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...A cold front will move SE over the waters early today, then pass SE of the area by this afternoon. High pressure will build SE over the waters tonight and Mon, then pass SE of the region Mon night. Low pressure will move E across the Gulf of Maine Tue while pulling a cold front across the waters. A series of low pressure troughs will cross the area Tue night into Wed. High pressure will build SE over the waters Wed night and Thu, then shift E of the region Thu night. Eastport Maine to Cape Cod ...GALE WARNING... .TODAY...NW winds 25 to 35 kt. Seas 7 to 12 ft. .TONIGHT...N to NW winds 20 to 30 kt. Seas 6 to 11 ft. .MON...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. Chance of rain. .TUE...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. .TUE NIGHT...W to NW winds 10 to 20 kt. Seas 4 to 6 ft. .WED...W to NW winds less than 10 kt. Seas 3 to 5 ft. .WED NIGHT...N winds less than 10 kt. Seas 3 to 4 ft. .THU...S to SW winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank .TODAY...NW winds 20 to 30 kt. Seas 8 to 12 ft. Areas of fog with vsby 1 nm or less early. .TONIGHT...N winds 20 to 30 kt. Seas 9 to 13 ft. .MON...Variable winds 10 to 20 kt. Seas 5 to 9 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 3 to 5 ft. .TUE...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. .TUE NIGHT...W to SW winds 15 to 25 kt. Seas 4 to 6 ft. .WED...N winds 5 to 15 kt. Seas 3 to 6 ft. .WED NIGHT...N winds 5 to 15 kt. Seas 3 to 5 ft. .THU...N winds 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. South of New England .TODAY...N to NW winds 15 to 25 kt. Seas 5 to 9 ft. .TONIGHT...N to NE winds 10 to 20 kt. Seas 3 to 6 ft. .MON...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. .MON NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. Chance of rain. .TUE...SW winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...W to NW winds 10 to 20 kt. Seas 3 to 5 ft. .WED...N winds 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. .THU...Variable winds less than 10 kt. Seas 3 to 4 ft. .THU NIGHT...S to SE winds less than 10 kt. Seas 3 to 4 ft.