


Offshore Forecast
Issued by NWS
Issued by NWS
895 FZNT23 KWNM 120847 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 447 AM EDT Mon May 12 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 building SE across the waters this morning, will shift off to the SE of the region this afternoon into tonight. A cold front will move S over the waters later tonight into Tue. Another high will build SE across the waters Tue afternoon into Tue night, then gradually shift SE of the area later Tue night into Wed night. A broad low pressure area will develop SW of the area Tue into Wed over the Mid-Atlantic states, with an associated warm front lifting N and approaching the southern portions Thu. Both the low and warm front will lift NE across the waters Thu night into Fri while weakening. A low pressure trough will move E to near the coast Fri night. Eastport Maine to Cape Cod .TODAY...SW winds 10 to 20 kt. Seas 3 to 5 ft. .TONIGHT...W to NW winds 15 to 25 kt. Seas 3 to 5 ft. .TUE...E to SE winds less than 10 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SE winds less than 10 kt. Seas 2 ft or less. .WED...S winds less than 10 kt. Seas 3 ft. .WED NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S winds 5 to 15 kt. Seas 3 to 5 ft. .THU NIGHT...Variable winds 5 to 15 kt. Seas 3 to 5 ft. .FRI...E to SE winds less than 10 kt. Seas 3 to 5 ft. .FRI NIGHT...SE winds 5 to 15 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank .TODAY...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. .TONIGHT...W winds 10 to 20 kt. Seas 3 to 4 ft. .TUE...E winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers. .TUE NIGHT...SE winds 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and isolated tstms with vsby 1 nm or less. .WED...SE winds 20 to 30 kt. Seas 6 to 10 ft. .WED NIGHT...S to SE winds 20 to 30 kt. Seas 8 to 11 ft. .THU...S winds 15 to 25 kt. Seas 6 to 9 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 5 to 7 ft. .FRI...W winds 10 to 20 kt. Seas 4 to 6 ft. .FRI NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 6 ft. South of New England .TODAY...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. .TONIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers with vsby 1 nm or less. .TUE...SE winds 5 to 15 kt. Seas 3 to 4 ft. Chance of showers and isolated tstms with vsby 1 nm or less. .TUE NIGHT...SE winds 15 to 25 kt. Seas 4 to 7 ft. Chance of showers and scattered tstms with vsby 1 nm or less. .WED...SE winds 20 to 30 kt. Seas 7 to 13 ft. .WED NIGHT...S to SE winds 20 to 30 kt. Seas 7 to 12 ft. .THU...S to SW winds 10 to 20 kt. Seas 5 to 9 ft. .THU NIGHT...W to SW winds 10 to 20 kt. Seas 4 to 7 ft. .FRI...S to SW winds less than 10 kt. Seas 3 to 6 ft. .FRI NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 6 ft.