NOAA Atlantic Forecast 13 Jul 2026

NOAA Atlantic Forecast

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Issued by the U.S. National Weather Service, NWS, a division of the National Oceanic and Atmospheric Administration, NOAA for the Western North Atlantic Ocean. Offshore waters forecast NWS Ocean Prediction Center, Washington, D.C., 420 AM EDT, Monday, July 13, 2026. New England Continental Shelf and Slope Waters from 60 nautical miles offshore to the Hague Line, except to 1000 Fathom Line south of New England. Seas given as significant wave height, which is the average height of the highest one-third of the waves. Individual waves may be more than twice the significant wave height. Locally higher winds and seas can be expected in and near thunderstorms. ANZ 898-1203Z 420 AM EDT. Monday, july 13, 2026, synopsis for New England waters. High pressure will move east and southeast over the waters today, then slowly shift south and east of the area tonight. A series of cold fronts or low pressure troughs will approach from the west and northwest Tuesday into Tuesday night, then pass east and southeast over the area late Tuesday night through Friday night. Offshore waters forecast, NWS Ocean Prediction Center, Washington, DC, 420 AM EDT, Monday, July 13, 2026. West Central North Atlantic Continental Shelf and Slope Waters beyond 60 nautical miles to 250 nautical miles offshore, including south of Georgia's Bank, from 1,000 fathom line to 250 nautical miles offshore. Seas given a significant wave height, which is the average height of the highest one-thirds of the waves. Individual waves may be more than twice the significant wave height. Locally higher winds and seas can be expected in and near thunderstorms. ANZ 899-322015-420 AM EDT. Monday, July 13, 2026, synopsis for mid-Atlantic waters. A stationary front will remain over the south waters today into Wednesday as weak low pressure areas form along the weakening front. The front will likely dissipate Wednesday night as a low pressure trough forms along the coast and a cold front approaches from the north and northwest. The cold front will move slowly south and southeast into the north waters late Wednesday night into Thursday while weakening. The front will dissipate Thursday night as the next cold front approaches from the northwest. The next front will stall over the far north waters Friday into Friday night. The low pressure trough will persist near or just inland from the southeast and mid Atlantic coast Thursday into Friday night as a ridge axis remains just south of the area, issued by the U.S. National Weather Service, NWS, a division of the National Oceanic and Atmospheric Administration, NOAA for the Western North Atlantic Ocean. Thank you for listening.