NWS Marine Forecast



 Hazardous marine condition(s):
 Short Term Forecast
   GMZ005-070845-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  431 PM EDT Mon Jul 6 2026      .SYNOPSIS...  Light to gentle breezes will persist across the Florida Keys  coastal waters tonight and tomorrow. Breezes are expected to  shift between easterly and southerly and trend upwards beginning  late Tuesday as the western edge of the Atlantic high strengthens  and lifts northward into Central Florida. Winds will tend to peak  in the evening where periodic cautions may be required for  portions of Keys waters. Advisories are not anticipated at this  time. Shower coverage will wax and wane between slight and a  chance, with a day or two drier stretch arriving mid week.    The Approximate Shoreward Edge of the Gulf Stream as of July 5,  2026...    51 NM Southeast of Dry Tortugas Light...on Loggerhead Key.  15 NM Southeast of Cosgrove Shoal Light...off the Marquesas Keys.  6 NM South of Sand Key Light...off Key West.  6 NM South of Looe Key...off Big Pine Key.  6 NM Southeast of Sombrero Key Light...off Marathon.  7 NM Southeast of Alligator Reef Light...off Islamorada.  6 NM Southeast of Molasses Reef Light...off Key Largo.  4 NM Southeast of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the National Weather Service in  Key West, using data from RTOFS and NASA SPoRT SST.    $$
   GMZ033-034-070845-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  431 PM EDT Mon Jul 6 2026    TONIGHT  East to southeast winds near 5 knots, becoming  southeast 5 to 10 knots after midnight. Seas 1 foot or less. A  slight chance of showers and thunderstorms.  TUESDAY  East to southeast winds near 5 knots. Seas 1 foot or  less. A slight chance of showers and thunderstorms.  TUESDAY NIGHT  East winds 5 to 10 knots, increasing to near 10  knots. Seas building to 1 to 2 feet. A slight chance of showers  and thunderstorms.  WEDNESDAY  East to southeast winds near 10 knots. Seas 1 to 2  feet. A slight chance of showers and thunderstorms.  WEDNESDAY NIGHT  East to southeast winds 10 to 15 knots. Seas  2 to 3 feet. A slight chance of showers and thunderstorms.  THURSDAY  East to southeast winds 10 to 15 knots. Seas 2 to  3 feet. A slight chance of showers and thunderstorms.  THURSDAY NIGHT  East to southeast winds 10 to 15 knots. Seas 2  to 3 feet. A chance of showers and thunderstorms.  FRIDAY  East to southeast winds 10 to 15 knots. Seas 2 to  3 feet. A chance of showers and thunderstorms.  FRIDAY NIGHT  East to southeast winds near 15 knots, decreasing  to 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers  and thunderstorms.  SATURDAY  East to southeast winds near 10 knots. Seas 2 to  3 feet. A chance of showers and thunderstorms.  SATURDAY NIGHT  East to southeast winds near 10 knots. Seas  1 to 2 feet.    $$