


Offshore Forecast
Issued by NWS
Issued by NWS
737 FZNT23 KWNM 302030 OFFN01 NAVTEX Marine Forecast for NE US waters NWS Ocean Prediction Center Washington DC 430 PM EDT Wed Jul 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 stationary front over the Gulf of Maine will persist tonight, drift S Thu, and then stall just S of the waters Thu night. Low pressure will develop along the stalled boundary late Thu night into early Fri, just off the Mid-Atlantic coast, then track E and NE along the front late Fri and Fri night. The low will move E of the region Sat. High pressure will build SE over the waters later Sat and Sat night, then settle offshore Sun and Sun night as a weak low pressure trough develops near the coast of Maine. The trough will persist along the coast Mon and Mon night. Eastport Maine to Cape Cod .TONIGHT...W to SW winds 5 to 15 kt. Seas 3 ft. Chance of tstms with vsby 1 nm or less. .THU...NE winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and slight chance of tstms with vsby 1 nm or less. .THU NIGHT...NE winds 10 to 20 kt. Seas 3 to 5 ft. Scattered showers and chance of tstms with vsby 1 nm or less. .FRI...NE winds 15 to 25 kt. Seas 4 to 6 ft. Chance of showers. .FRI NIGHT...N to NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT...N to NE winds 10 to 20 kt. Seas 4 to 6 ft. .SAT NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 5 ft. .SUN...SW winds 10 to 20 kt. Seas 3 to 4 ft. .SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. .MON...S to SW winds 10 to 20 kt. Seas 3 to 4 ft. .MON NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft. Cape Cod to Nantucket Shoals and Georges Bank .TONIGHT...SW winds 5 to 15 kt. Seas 3 ft. Chance of tstms with vsby 1 nm or less. .THU...Variable winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and slight chance of tstms with vsby 1 nm or less. .THU NIGHT...NE winds 15 to 25 kt. Seas 3 to 5 ft. Scattered showers and tstms with vsby 1 nm or less. .FRI...E to NE winds 15 to 25 kt. Seas 5 to 7 ft. Scattered showers and tstms. .FRI NIGHT...NE winds 20 to 30 kt. Seas 5 to 9 ft. .SAT...NE winds 20 to 30 kt. Seas 6 to 10 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 6 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 5 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 5 to 15 kt. Seas 4 to 6 ft. South of New England .TONIGHT...SW winds 5 to 15 kt. Seas 3 ft. Chance of tstms with vsby 1 nm or less. .THU...E to NE winds 5 to 15 kt. Seas 3 to 4 ft. Scattered showers and slight chance of tstms with vsby 1 nm or less. .THU NIGHT...E winds 15 to 25 kt. Seas 3 to 6 ft. Scattered showers and tstms with vsby 1 nm or less. .FRI...NE winds 20 to 30 kt. Seas 5 to 9 ft. Tstms with showers likely. .FRI NIGHT...NE winds 20 to 30 kt. Seas 6 to 10 ft. .SAT...NE winds 20 to 30 kt. Seas 7 to 10 ft. .SAT NIGHT...NE winds 15 to 25 kt. Seas 5 to 9 ft. .SUN...E winds 10 to 20 kt. Seas 5 to 8 ft. .SUN NIGHT...E winds 10 to 20 kt. Seas 5 to 7 ft. .MON...E winds 5 to 15 kt. Seas 4 to 6 ft. .MON NIGHT...E winds 5 to 15 kt. Seas 3 to 6 ft.