NOAA Atlantic Forecast 17 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 AMEDT, Friday, July 17, 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 898-772000-421 AM EDT Friday, July 7, 2026. Synopsis for New England waters. A cold front will slide south of the waters early today, with weak high pressure moving east into the area. The high will pass east of the waters tonight as a weak low pressure trough forms near the coast, and the front to the south becomes stationary. The front will return north as a warm front Saturday and lift north of the area by Saturday night as the next cold front approaches the coast. The cold front will cross the area Saturday night into Sunday and pass south and east of the waters late Sunday into Sunday night. High pressure will build east over New England Sunday night and move east over the waters Monday while weakening. The front to the south will then return north as a warm front Monday night and lift north of the waters during Tuesday. Yet another cold front will approach from the west and northwest Tuesday night. Offshore waters forecast NWS Ocean Prediction Center, Washington, DC, 4 36 AM EDT, Friday, July 17, 2026. West Central North Atlantic Continental Shelf and Slope Waters beyond 60 nautical miles to 50 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-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 899-72000 436 AMEDT. Friday, july 17, 2026, synopsis for mid-Atlantic waters, high pressure anchored southeast of Bermuda will keep a ridge across the southern waters tonight through Tuesday night. A cold front will move into the northern waters early today, then stall across the central waters later today into tonight. The front will lift north as a warm front early Saturday and pass north of the waters during the day Saturday. The next cold front will approach from the west and northwest Saturday evening and move into the north waters late Saturday night into Sunday. The front will stall over the central waters Sunday night into early Monday, lift north as a warm front late Monday into Monday night, and pass north of the area by later Monday night or early Tuesday. Yet another cold front will approach from the west and northwest Tuesday 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.