NWS Marine Forecast


   GMZ005-082030-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  427 AM EDT Sat Aug 8 2026      .SYNOPSIS...An Atlantic high off the mid Atlantic coast will  extend a ridge across northern Florida and the Gulf coast through  the weekend and into next week. This will maintain gentle to  moderate mostly easterly breezes on our waters through the  remainder of the week and into early next week. Expect sizable  swings in wind speeds, lulling during the day and peaking  overnight. Periodic cautions cannot be ruled out for portions of  our waters early next week. Shower and thunder chances will be  near to below normal through the duration.    The Approximate Shoreward Edge of the Gulf Stream as of  August 7, 2026...    25 NM South of Dry Tortugas Light...on Loggerhead Key.  15 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  19 NM South of Sand Key Light...off Key West.  29 NM South of Looe Key...off Big Pine Key.  16 NM Southeast of Sombrero Key Light...off Marathon.  4 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.    $$
   GMZ033-034-082030-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  427 AM EDT Sat Aug 8 2026    TODAY  Southeast winds 10 to 15 knots, decreasing to near 10  knots. Seas 1 to 2 feet, subsiding to around 1 foot. Wave Detail:  Southeast 1 foot at 3 seconds. A chance of showers and a slight  chance of thunderstorms, mainly early.  TONIGHT  East to southeast winds increasing to near 15 knots.  Seas building to 2 to 3 feet. Wave Detail: East 2 feet at 3  seconds. A chance of showers and thunderstorms.  SUNDAY  East to southeast winds 10 to 15 knots. Seas 1 to  2 feet. Wave Detail: East to southeast 2 feet at 4 seconds. A  chance of showers and thunderstorms.  SUNDAY NIGHT  East to southeast winds increasing to near 15  knots. Seas building to 2 to 3 feet. A chance of showers and  thunderstorms.  MONDAY  East to southeast winds near 15 knots, decreasing to  near 10 knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. A  slight chance of showers and thunderstorms.  MONDAY NIGHT  East to southeast winds increasing to 10 to 15  knots. Seas building to 2 to 3 feet. A slight chance of showers  and thunderstorms.  TUESDAY  East to southeast winds 10 to 15 knots, becoming 5 to  10 knots in the afternoon. Seas 2 to 3 feet. A slight chance of  showers and thunderstorms.  TUESDAY NIGHT  East to southeast winds near 10 knots. Seas 1 to  2 feet. A slight chance of showers.  WEDNESDAY  East to southeast winds 5 to 10 knots. Seas 1 to  2 feet. A slight chance of showers and thunderstorms.  WEDNESDAY NIGHT  East to southeast winds 5 to 10 knots. Seas  1 to 2 feet.    $$