NWS Marine Forecast



 Hazardous marine condition(s):
 Short Term Forecast
   GMZ005-080230-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1017 AM EDT Tue Jul 7 2026      .SYNOPSIS...  Light to gentle breezes will persist across the Florida Keys  coastal waters this afternoon. Breezes are expected to shift  between easterly and southeasterly and trend upwards beginning  tonight as the western edge of the Atlantic ridge 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 cannot be completely ruled out 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.    $$
   GMZ033-034-080230-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  1017 AM EDT Tue Jul 7 2026    THIS AFTERNOON  East to southeast winds 5 to 10 knots. Seas 1  foot or less. Wave Detail: Southeast 1 foot at 3 seconds. A slight  chance of showers and thunderstorms.  TONIGHT  East winds 5 to 10 knots, increasing to near 10 knots.  Seas building to 1 to 2 feet. Wave Detail: East 1 foot at 3  seconds. A slight chance of showers and thunderstorms.  WEDNESDAY  East to southeast winds 10 to 15 knots. Seas 1 to  2 feet. Wave Detail: East to southeast 2 feet at 3 seconds. A  chance of showers with a slight chance of thunderstorms.  WEDNESDAY NIGHT  East to southeast winds 10 to 15 knots,  becoming 15 to 20 knots after midnight. Seas building to 2 to 4  feet, occasionally to 5 feet. A slight chance of showers and  thunderstorms.  THURSDAY  East to southeast winds 10 to 15 knots. Seas 2 to  4 feet, occasionally to 5 feet.  THURSDAY NIGHT  East to southeast winds 15 to 20 knots. Seas  2 to 4 feet, occasionally to 5 feet. A chance of showers with a  slight chance of thunderstorms.  FRIDAY  East to southeast winds near 15 knots. Seas 2 to  4 feet, occasionally to 5 feet. A chance of showers with a slight  chance of thunderstorms.  FRIDAY NIGHT  East to southeast winds 15 to 20 knots, becoming  southeast 10 to 15 knots. Seas 2 to 3 feet. A slight chance of  showers.  SATURDAY  East to southeast winds near 10 knots. Seas 2 to  3 feet. A slight chance of showers and thunderstorms.  SATURDAY NIGHT  East to southeast winds 10 to 15 knots. Seas 1  to 2 feet.    $$