NWS Marine Forecast


   GMZ005-030930-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  427 PM EST Mon Mar 2 2026      .SYNOPSIS...  A large and robust high centered over New England will dive  southeastward off the Eastern Seaboard and into the North  Atlantic tonight. This will usher in a prolonged period of  moderate to fresh breezes across the Florida Keys marine zones for  the next several days, as the center of the high becomes  stationary over the central North Atlantic.    The Approximate Shoreward Edge of the Gulf Stream as of March 1...    47 NM South of Dry Tortugas Light...on Loggerhead Key.  16 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  9 NM South of Sand Key Light...off Key West.  7 NM South of Looe Key...off Big Pine Key.  8 NM Southeast of Sombrero Key Light...off Marathon.  8 NM Southeast of Alligator Reef Light...off Islamorada.  7 NM Southeast of Molasses Reef Light...off Key Largo.  8 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 and RTOFS.    $$
   GMZ033-034-030930-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  427 PM EST Mon Mar 2 2026    TONIGHT  Northeast to east winds 10 to 15 knots, increasing to  near 15 knots. Seas 2 to 3 feet. Wave Detail: North to northeast 2  feet at 4 seconds. Isolated showers.  TUESDAY  Northeast to east winds near 15 knots, decreasing to 10  to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast to east 3  feet at 4 seconds. Isolated showers.  TUESDAY NIGHT  Northeast to east winds near 15 knots. Seas 2 to  3 feet. Wave Detail: Northeast to east 2 feet at 4 seconds.  Isolated showers.  WEDNESDAY  East winds near 15 knots, decreasing to 10 to 15  knots. Seas 2 to 3 feet. Isolated showers.  WEDNESDAY NIGHT AND THURSDAY  East winds near 15 knots. Seas 2  to 4 feet, occasionally to 5 feet. Isolated showers.  THURSDAY NIGHT  East to southeast winds near 15 knots. Seas 3  to 4 feet, occasionally to 5 feet. Isolated showers.  FRIDAY THOUGH SATURDAY NIGHT  East to southeast winds near 15  knots. Seas 3 to 4 feet, occasionally to 5 feet. Isolated  showers.    $$