


Offshore Forecast
Issued by NWS
Issued by NWS
999 FZNT23 KWNM 302051 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 451 PM EDT Sat Aug 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 surface trough will develop over the area tonight behind a front moving off to the E. High pressure then builds in for Sun, continuing through Mon. Low pressure will approach the SE waters Mon night and pass just E of the waters Tue. High pressure then returns behind the low and remains in place through Wed night. The high shifts E Thu ahead of low pressure and a warm front that should move into the waters overnight Thu. Eastport Maine to Cape Cod .TONIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. Isolated showers. .SUN...N to NW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN NIGHT...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. .MON...NE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...E to NE winds 5 to 15 kt. Seas 3 to 6 ft. .TUE...NE winds 15 to 25 kt. Seas 6 to 10 ft. .TUE NIGHT...W to NW winds 10 to 20 kt. Seas 5 to 9 ft. .WED...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .THU...S winds 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...S winds 10 to 20 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank ...GALE FORCE WINDS POSSIBLE TUE... .TONIGHT...N to NE winds 5 to 15 kt. Seas 3 to 4 ft. Isolated showers. .SUN...NE winds 15 to 25 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 4 to 7 ft. Isolated showers. .MON...NE winds 15 to 25 kt. Seas 6 to 10 ft. .MON NIGHT...NE winds 20 to 30 kt. Seas 8 to 13 ft. .TUE...N winds 25 to 35 kt. Seas 9 to 14 ft. Winds and seas highest S portion. .TUE NIGHT...N winds 15 to 25 kt. Seas 6 to 11 ft. .WED...W to NW winds 5 to 15 kt. Seas 3 to 6 ft. .WED NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S winds 5 to 15 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 3 to 6 ft. South of New England .TONIGHT...N winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...NE winds 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...NE winds 15 to 25 kt. Seas 3 to 6 ft. .MON...E to NE winds 10 to 20 kt. Seas 5 to 8 ft. .MON NIGHT...N to NE winds 10 to 20 kt. Seas 6 to 9 ft. .TUE...N to NE winds 10 to 20 kt. Seas 5 to 8 ft. .TUE NIGHT...Winds becoming W to NW less than 10 kt. Seas 4 to 6 ft. .WED...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S to SE winds 10 to 20 kt. Seas 3 to 4 ft. .THU NIGHT...SE winds 10 to 20 kt. Seas 3 to 6 ft.