NWS Marine Forecast


   GMZ005-230330-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1020 AM EST Sat Nov 22 2025      .SYNOPSIS...Light, predominantly northeasterly breezes will  linger through the weekend. A new continental high will push in to  the eastern United States early next week, resulting in  freshening northeast to easterly breezes. This high will progress  eastward into the Atlantic, and after mid week, breezes should  collapse as the pressure field becomes nebulous.    The Approximate Shoreward Edge of the Gulf Stream as of November 14...    54 NM South of Dry Tortugas Light...on Loggerhead Key.  23 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  19 NM South of Sand Key Light...off Key West.  17 NM South of Looe Key...off Big Pine Key.  15 NM Southeast of Sombrero Key Light...off Marathon.  4 NM Southeast of Alligator Reef Light...off Islamorada.  1 NM Southeast of Molasses Reef Light...off Key Largo.  1 NM Southeast of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the National Weather Service  in Key West based on products from NASA SPoRT.    $$
   GMZ032-035-230330-  Bayside and Gulfside from Craig Key to west end of Seven Mile  Bridge-  Gulf of America from west end of Seven Mile Bridge to Halfmoon  Shoal out to 5 Fathoms-  1020 AM EST Sat Nov 22 2025    THIS AFTERNOON  North to northeast 5 to 10 knots. Seas around 1  foot. Nearshore waters smooth to a light chop.  TONIGHT  North to northeast winds 5 to 10 knots. Seas 1 foot or  less. Nearshore waters smooth to a light chop.  SUNDAY  North to northeast near 10 knots, becoming variable 5  to 10 knots. Seas 1 foot or less. Nearshore waters a light chop,  becoming smooth.  SUNDAY NIGHT  North winds 5 to 10 knots, becoming north to  northeast. Seas 1 foot or less. Nearshore waters smooth to a  light chop.  MONDAY  Northeast to east winds near 10 knots. Seas around 1  foot. Nearshore waters a light chop.  MONDAY NIGHT  East winds 10 to 15 knots. Seas building to 1 to 2  feet, except building to 2 to 3 feet west of the Marquesas Keys.  Nearshore waters a light to moderate chop.  TUESDAY AND TUESDAY NIGHT  East winds 10 to 15 knots. Seas 1 to  2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore  waters a light to moderate chop. Isolated showers.  TUESDAY NIGHT  East winds 10 to 15 knots. Seas 1 to 2 feet.  Nearshore waters a light to moderate chop. Isolated showers.  WEDNESDAY  East winds 10 to 15 knots, decreasing to near 10  knots. Seas subsiding to 1 to 2 feet. Nearshore waters a light to  moderate chop, becoming a light chop. Isolated showers.  WEDNESDAY NIGHT  East winds near 10 knots. Seas subsiding to  around 1 foot. Nearshore waters a light chop. Isolated showers.    $$