


Offshore Forecast
Issued by NWS
Issued by NWS
852 FZNT23 KWNM 060920 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 520 AM EDT Sun Jul 6 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 over the SE portion of the waters will slowly shift E of the area today into tonight, as a low pressure trough develops near the coast. The trough should linger over the area through Mon with a cold front approaching from the N and NW Mon night into Tue. A low pressure system approaching from the W will move across the area late Tue into Wed night, and pull a slow-moving cold front S over the waters. The front will likely stall over the southern waters Thu and Thu night as high pressure passes NE of the area. Elsewhere, Tropical Storm Chantal currently located well to the S of the area will remain S of the region and move inland over the Carolinas while weakening today into tonight, before dissipating over the Mid-Atlantic states by Mon night. For more information on Chantal please see the latest advisory issued by the National Hurricane Center. Eastport Maine to Cape Cod .TODAY...SW winds 15 to 25 kt. Seas 3 to 6 ft. Areas of fog with vsby 1 nm or less early. .TONIGHT...SW winds 10 to 20 kt. Seas 4 to 7 ft. Areas of fog with vsby 1 nm or less. .MON...SW winds 15 to 25 kt. Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less. .MON NIGHT...SW winds 10 to 20 kt. Seas 4 to 6 ft. Scattered showers and tstms with vsby 1 nm or less. .TUE...S to SW winds 10 to 20 kt. Seas 4 to 7 ft. .TUE NIGHT...W winds 5 to 15 kt. Seas 5 to 8 ft. .WED...E to NE winds less than 10 kt. Seas 3 to 6 ft. .WED NIGHT...E to NE winds less than 10 kt. Seas 3 to 5 ft. .THU...E winds 5 to 10 kt. Seas 3 to 4 ft. .THU NIGHT...E winds 5 to 15 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank .TODAY...SW winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less. .MON...SW winds 10 to 15 kt. Seas 3 to 6 ft. Scattered showers, fog and tstms with vsby 1 nm or less. .MON NIGHT...S to SW winds 15 to 25 kt. Seas 5 to 9 ft. Chance of showers and tstms with vsby 1 nm or less. .TUE...SW winds 15 to 25 kt. Seas 7 to 10 ft. .TUE NIGHT...W to SW winds 15 to 25 kt. Seas 6 to 10 ft. .WED...W winds 10 to 20 kt. Seas 5 to 8 ft. .WED NIGHT...W winds 5 to 15 kt. Seas 4 to 7 ft. .THU...SW winds 5 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. South of New England .TODAY...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. .TONIGHT...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less. .MON...S winds 10 to 20 kt. Seas 3 to 6 ft. Scattered tstms, showers and fog with vsby 1 nm or less. .MON NIGHT...S to SW winds 15 to 25 kt. Seas 5 to 9 ft. Scattered showers and tstms with vsby 1 nm or less. .TUE...SW winds 15 to 25 kt. Seas 6 to 10 ft. .TUE NIGHT...SW winds 10 to 20 kt. Seas 5 to 8 ft. .WED...W winds 10 to 20 kt. Seas 4 to 6 ft. .WED NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. .THU...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.