


Offshore Forecast
Issued by NWS
Issued by NWS
138 FZNT23 KWNM 151512 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 1112 AM EDT Sun Jun 15 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...Low pressure is centered SE of the region and will continue moving E while strengthening today. High pressure will prevail over the area today through Mon. Another low will form and move E and NE along a front S of the waters late Mon through Tue night as a high pressure ridge slowly weakens over the area. The low will weaken to the SE and E of the region Wed. A warm front will lift NE over the waters Wed night into Thu, followed by a cold front approaching the coast from the W late Thu. The cold front will then move offshore Thu night. Eastport Maine to Cape Cod .TODAY...E winds 5 to 15 kt, becoming E to SE 5 to 10 kt. Seas 3 to 5 ft. .TONIGHT...E to SE winds less than 10 kt. Seas 3 to 5 ft. .MON...S to SE winds less than 10 kt. Seas 3 to 4 ft. .MON NIGHT...S winds less than 10 kt. Seas 3 to 4 ft. .TUE...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. .TUE NIGHT...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. .WED...S to SW winds 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. .THU...S to SW winds 15 to 25 kt. Seas 3 to 6 ft. .THU NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. Cape Cod to Nantucket Shoals and Georges Bank .TODAY...E to NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to 7 ft. Chance of showers. .TONIGHT...E winds 5 to 15 kt. Seas 4 to 6 ft. Scattered showers. .MON...E winds 10 to 20 kt. Seas 3 to 5 ft. Chance of showers and tstms. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Slight chance of showers with vsby 1 nm or less. .TUE...E winds 10 to 20 kt. Seas 3 to 6 ft. .TUE NIGHT...SE winds 5 to 15 kt. Seas 4 to 6 ft. .WED...SW winds 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. .THU...SW winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft. South of New England .TODAY...E to NE winds 5 to 15 kt. Seas 3 to 6 ft. Chance of showers. .TONIGHT...E winds 5 to 15 kt. Seas 3 to 5 ft. Chance of showers. .MON...E winds 10 to 20 kt. Seas 3 to 6 ft. Chance of showers and tstms. .MON NIGHT...E winds 10 to 20 kt. Seas 4 to 6 ft. Slight chance of showers with vsby 1 nm or less. .TUE...E winds 5 to 15 kt. Seas 3 to 6 ft. .TUE NIGHT...S winds less than 10 kt. Seas 3 to 5 ft. .WED...SW winds 5 to 15 kt. Seas 3 to 5 ft. .WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 6 ft. .THU...SW winds 10 to 20 kt. Seas 4 to 6 ft. .THU NIGHT...W to SW winds 15 to 25 kt. Seas 5 to 8 ft.