Offshore Forecast
Issued by NWS
Issued by NWS
719 FZNT24 KWNM 100919 OFFN02 NAVTEX Marine Forecast for Mid-Atlantic states waters NWS Ocean Prediction Center Washington DC 419 AM EST Fri Jan 10 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...Strong, broad low pressure over the Canadian Maritimes will move SE today and tonight as weak high pressure builds E into the area. A surface trough or two associated with the broad low will also move S and SE across the waters. High pressure diminishes over the area tonight, as low pressure emerging off of the Carolinas late tonight and early Sat rapidly intensifies and moves ENE across the waters through Sat night. Mariners planning voyages off of the east coast should monitor forecasts and prepare to execute avoidance with hurricane-force winds expected just SE of the NE waters. The low will move well out into the N Atlantic Sun, with high pressure gradually building E over the waters Sun through early Mon. A low pressure trough should develop over the E waters Mon, gradually shifting E Mon night. Low pressure over the Gulf of Maine Tue will slowly intensify and then shift E and SE Tue night as an accompanying cold front moves S through the N and central waters. Sandy Hook to 37.5N ...GALE WARNING... .TODAY...NW winds 25 to 35 kt. Seas 11 to 18 ft. .TONIGHT...W winds 10 to 20 kt. Seas 6 to 10 ft. Chance of rain and snow, and areas of fog with vsby 1 nm or less. .SAT...NW winds 25 to 35 kt. Seas 6 to 11 ft. Rain, and rain and snow W portion. Slight chance of tstms. Areas of fog with vsby 1 nm or less. .SAT NIGHT...NW winds 30 to 40 kt. Seas 11 to 15 ft. Scattered showers especially E portion. .SUN...NW winds 20 to 30 kt. Seas 8 to 13 ft. .SUN NIGHT...W winds 5 to 15 kt. Seas 5 to 8 ft. .MON...W winds 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...W to NW winds 20 to 30 kt. Seas 5 to 9 ft. .TUE...W winds 20 to 30 kt. Seas 8 to 12 ft. .TUE NIGHT...W to NW winds 25 to 35 kt. Seas 11 to 17 ft. 37.5N to Cape Hatteras ...GALE WARNING... .TODAY...NW winds 25 to 35 kt. Seas 10 to 18 ft. Isolated showers. .TONIGHT...W to SW winds 10 to 20 kt. Seas 6 to 11 ft. Chance of rain, and light sleet and light freezing rain, then periods of rain. Areas of fog with vsby 1 nm or less. .SAT...W to NW winds increasing to 30 to 40 kt. Seas 8 to 14 ft. Rain, and a slight chance of tstms. Areas of fog with vsby 1 nm or less. .SAT NIGHT...NW winds 30 to 40 kt. Seas 13 to 18 ft. Isolated showers E portion. .SUN...NW winds 20 to 30 kt. Seas 8 to 14 ft. .SUN NIGHT...W winds 5 to 15 kt. Seas 5 to 9 ft. .MON...W winds 10 to 20 kt. Seas 4 to 7 ft. .MON NIGHT...W winds 15 to 25 kt. Seas 5 to 9 ft. .TUE...W winds 20 to 30 kt. Seas 7 to 11 ft. .TUE NIGHT...NW winds 25 to 35 kt. Seas 10 to 17 ft. Cape Hatteras to Murrells Inlet ...GALE WARNING... .TODAY...NW winds 20 to 30 kt. Seas 11 to 18 ft. Isolated showers. .TONIGHT...S winds 20 to 30 kt. Seas 6 to 11 ft. Chance of rain, then periods of rain overnight. .SAT...W to NW winds 30 to 40 kt. Seas 12 to 19 ft. Numerous showers and a slight chance of tstms, gradually ending. .SAT NIGHT...NW winds 25 to 35 kt. Seas 12 to 18 ft. .SUN...NW winds 10 to 20 kt. Seas 8 to 14 ft. .SUN NIGHT...W winds 5 to 15 kt. Seas 5 to 9 ft. .MON...W to NW winds 15 to 25 kt. Seas 4 to 7 ft. .MON NIGHT...W to NW winds 15 to 25 kt. Seas 5 to 8 ft. .TUE...W to NW winds 15 to 25 kt. Seas 6 to 10 ft. .TUE NIGHT...NW winds 25 to 35 kt. Seas 8 to 14 ft.