


Offshore Forecast
Issued by NWS
Issued by NWS
834 FZNT23 KWNM 220254 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 1054 PM EDT Mon Jul 21 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 in across the waters tonight through Wed, except for a trough which will be along or near the coast through Tue night. The area of high pressure will shift E and SE of the area Wed night and Thu. By late Thu night into early Fri a trough will move E to the coast and across the waters Fri and Fri night. A cold front will move slowly SE over the waters Sat and Sat night. Eastport Maine to Cape Cod .TONIGHT...N to NW winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 3 to 5 ft. .TUE...SW winds 5 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...W winds 5 to 15 kt. Seas 3 ft. .WED...S to SW winds 5 to 15 kt. Seas 2 ft or less. .WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .THU...SW winds 15 to 25 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 15 to 25 kt. Seas 5 to 7 ft. .FRI...SW winds 15 to 25 kt. Seas 4 to 7 ft. .FRI NIGHT...W to SW winds 15 to 25 kt. Seas 4 to 6 ft. .SAT...NE winds 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank .TONIGHT...N to NE winds 5 to 15 kt, becoming N to NW. Seas 3 to 6 ft. .TUE...E to NE winds 5 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...E to NE winds 10 to 20 kt. Seas 3 to 5 ft. .WED...Variable winds 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...Variable winds 5 to 15 kt. Seas 3 to 4 ft. .THU...SW winds 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...SW winds 15 to 25 kt. Seas 3 to 6 ft. .FRI NIGHT...SW winds 15 to 25 kt. Seas 4 to 6 ft. .SAT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. South of New England .TONIGHT...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and isolated tstms. .TUE...E winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers. .TUE NIGHT...E to SE winds 5 to 15 kt. Seas 3 to 5 ft. .WED...S winds 5 to 15 kt. Seas 3 to 4 ft. .WED NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...SW winds 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI...SW winds 10 to 20 kt. Seas 3 to 5 ft. .FRI NIGHT...SW winds 15 to 25 kt. Seas 3 to 5 ft. .SAT...SW winds 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft.