


Offshore Forecast
Issued by NWS
Issued by NWS
602 FZNT23 KWNM 291445 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 1045 AM EDT Fri Aug 29 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 approach the waters from the W today. The front will move slowly offshore tonight into Sat, then pass E of the area later Sat and Sat night. A weak low pressure trough will move SE over the region Sat night into Sun. Another high will build SE across the area Sun into Mon night, then shift E of the region Tue and Tue night while maintaining a weakening ridge across the area. Eastport Maine to Cape Cod .TODAY...S winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and tstms. .TONIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .SAT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .SAT NIGHT...NW winds less than 10 kt. Seas 3 to 4 ft. Scattered showers. .SUN...W to NW winds less than 10 kt. Seas 3 to 4 ft. .SUN NIGHT...N to NW winds less than 10 kt. Seas 3 to 4 ft. .MON...Variable winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. .TUE...Variable winds less than 10 kt. Seas 3 ft. .TUE NIGHT...Variable winds less than 10 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank .TODAY...E to SE winds 10 to 20 kt. Seas 3 to 5 ft. Chance of showers and tstms. .TONIGHT...W to SW winds 5 to 15 kt. Seas 3 to 6 ft. Scattered showers and chance of tstms. .SAT...W winds 5 to 15 kt. Seas 3 to 5 ft. Scattered showers and chance of tstms. .SAT NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 4 ft. .SUN...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. .MON...NE winds 10 to 20 kt. Seas 3 to 6 ft. .MON NIGHT...NE winds 5 to 15 kt. Seas 4 to 6 ft. .TUE...NE winds 5 to 15 kt. Seas 3 to 6 ft. .TUE NIGHT...N winds 5 to 15 kt. Seas 3 to 5 ft. South of New England .TODAY...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and tstms. .TONIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and slight chance of tstms. .SAT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 5 to 15 kt. Seas 3 to 4 ft. .MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. .MON NIGHT...NE winds 5 to 15 kt. Seas 3 to 6 ft. .TUE...E to NE winds 5 to 15 kt. Seas 3 to 5 ft. .TUE NIGHT...N to NE winds less than 10 kt. Seas 3 to 5 ft.