NOAA Atlantic Forecast 27 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. 421 AM EDT, Monday, July 27, 2026. New England Continental Shelf and Slope Waters from 60 nautical miles offshore to the Hague Line, except to 1,000 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 898-272045-421 AM EDT Monday, July 27, 2026. Synopsis for New England waters. Low pressure to the east of the waters this morning will move further east of the area today into tonight. High pressure will build east over the region today and tonight, then shift east of the area Tuesday. Low pressure will approach from the southwest Tuesday night, then slowly move northeast to the New England coast Wednesday through Thursday night while pulling a cold front east through the waters. The low will then move east across the waters Friday and Friday night. Offshore waters forecast, NWS Ocean Prediction Center, Washington, D.C. 421 AM EDT, Monday, July 27, 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 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. ANZ899-272045-421 AM EDT, Monday, July 27, 2026, synopsis for Mid-Atlantic waters. A cold front will stall over the south waters today and tonight, and then slowly pass southeast of the area Tuesday while weakening. High pressure will build east across the waters today, into Tuesday, then shift east of the region Tuesday night as the next cold front moves offshore. The cold front will move slowly southeast across the area Wednesday into Thursday, then stall over the south waters Thursday night through Friday night. 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.