NWS Marine Forecast


   GMZ005-070230-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1030 AM EDT Thu Aug 6 2026      .SYNOPSIS...An Atlantic ridge off the mid Atlantic coast will  retain a ridge across northern Florida and the Gulf coast. This  will hold gentle to moderate easterly breezes on our waters  through the remainder of the week and into early next week. Expect  substantial swings in wind speeds, lulling during the day and  surging overnight. Periodic cautions cannot be ruled out. Rain and  thunder chances will remain elevated through the end of the work  week. Higher winds and seas should be expected in the vicinity of  stronger showers and thunderstorm. Rain chances should slip back  near normal heading into the weekend and through early next week.    The Approximate Shoreward Edge of the Gulf Stream as of  July 31, 2026...    31 NM South of Dry Tortugas Light...on Loggerhead Key.  24 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  25 NM South of Sand Key Light...off Key West.  2 NM South of Looe Key...off Big Pine Key.  1 NM South of Sombrero Key Light...off Marathon.  5 NM Southeast of Alligator Reef Light...off Islamorada.  2 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, using data from RTOFS and NASA SPoRT SST.    $$
   GMZ033-034-070230-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  1030 AM EDT Thu Aug 6 2026    SMALL CRAFT SHOULD EXERCISE CAUTION    THIS AFTERNOON  East to southeast winds 15 to 20 knots. Seas 2  to 3 feet. Wave Detail: East 2 feet at 4 seconds. Showers likely  with a chance of thunderstorms.  TONIGHT  East winds increasing to near 15 knots. Seas 2 to 3  feet. Wave Detail: East 3 feet at 4 seconds. Showers likely with a  chance of thunderstorms.  FRIDAY  East winds near 15 knots, decreasing to 5 to 10 knots.  Seas 2 to 3 feet, subsiding to 1 to 2 feet. Wave Detail:  East 3 feet at 4 seconds. Showers likely with a chance of  thunderstorms.  FRIDAY NIGHT  Winds becoming east to southeast 10 to 15 knots.  Seas 1 to 2 feet. A chance of showers and thunderstorms.  SATURDAY  Southeast winds near 10 knots. Seas 1 to 2 feet. A  chance of showers and thunderstorms.  SATURDAY NIGHT  East to southeast winds 10 to 15 knots. Seas  1 to 2 feet. A chance of showers and thunderstorms.  SUNDAY  East to southeast winds near 10 knots. Seas 1 to  2 feet. A chance of showers and thunderstorms.  SUNDAY NIGHT  East winds 10 to 15 knots. Seas 1 to 3 feet. A  chance of showers and thunderstorms.  MONDAY  East to southeast winds near 10 knots. Seas 1 to  2 feet. A slight chance of showers and thunderstorms.  MONDAY NIGHT  East to southeast winds 10 to 15 knots. Seas  1 to 3 feet.    $$