


Offshore Forecast
Issued by NWS
Issued by NWS
018 FZNT23 KWNM 012041 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 441 PM EDT Tue Jul 1 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 warm front moves N of the waters early tonight, then a surface trough will be located along and near the coast through Wed. A cold front approaches from the NW Wed night, gradually moving SE across the area Thu through Fri. Another trough lingers over the waters behind the front Fri night through Sat as the front weakens and stalls just S of the area. The front should move back N as a weak warm front late Sat and Sat night as high pressure builds N. The high continues over most of the area Sun and Sun night with yet another surface trough remaining along the coast. Eastport Maine to Cape Cod .TONIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. Numerous showers and isolated tstms. Areas of fog with vsby 1 nm or less. .WED...S to SW winds 10 to 20 kt. Seas 4 to 6 ft. Scattered showers and tstms. Areas of fog with vsby 1 nm or less. .WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. Areas of fog with vsby 1 nm or less. .THU...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less. .THU NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. .FRI...W winds 5 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...NW winds 10 to 20 kt. Seas 3 to 5 ft. .SAT...W to SW winds 10 to 20 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. Cape Cod to Nantucket Shoals and Georges Bank .TONIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. Isolated showers and tstms. Showers becoming more numerous far N portion. Areas of fog N portion with vsby 1 nm or less. .WED...SW winds 15 to 25 kt. Seas 5 to 8 ft. Scattered showers and tstms. Areas of fog N portion with vsby 1 nm or less. .WED NIGHT...SW winds 15 to 25 kt. Seas 5 to 9 ft. Scattered showers and isolated tstms, then numerous showers and scattered tstms. Areas of fog N portion with vsby 1 nm or less. .THU...SW winds 15 to 25 kt. Seas 6 to 9 ft. Numerous showers and scattered tstms. Areas of fog N portion with vsby 1 nm or less. .THU NIGHT...W to SW winds 15 to 25 kt. Seas 5 to 9 ft. .FRI...W to NW winds 5 to 15 kt. Seas 4 to 7 ft. .FRI NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 6 ft. .SAT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. .SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft. South of New England .TONIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft. Numerous showers and scattered tstms, then scattered showers and isolated tstms. Areas of fog mainly N portion with vsby 1 nm or less. .WED...SW winds 15 to 25 kt. Seas 5 to 8 ft. Scattered showers and tstms, then numerous showers and scattered tstms. Areas of fog mainly N portion with vsby 1 nm or less. .WED NIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft. Numerous showers and isolated tstms. Areas of fog N portion with vsby 1 nm or less. .THU...SW winds 10 to 20 kt. Seas 5 to 8 ft. Numerous showers and isolated tstms, especially S portion. Areas of fog N portion with vsby 1 nm or less. .THU NIGHT...W to NW winds 5 to 15 kt. Seas 4 to 7 ft. .FRI...W to NW winds 5 to 15 kt. Seas 3 to 5 ft. .FRI NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft. .SAT...Variable winds 5 to 15 kt. Seas 3 to 4 ft. .SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .SUN...SW winds 10 to 20 kt. Seas 3 to 5 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.