NWS Marine Forecast


   GMZ005-250830-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1035 PM EDT Wed Jun 24 2026      .SYNOPSIS...A broad high pressure system centered over the North  Atlantic will continue to extend westward to the Florida Peninsula  through early next week. The high will fluctuate in strength and  location, while maintaining east to southeast breezes. This will  support bouts of light to gentle breezes becoming gentle to  moderate at times, mainly in the overnight hours.    The Approximate Shoreward Edge of the Gulf Stream as of June 21,  2026...    32 NM South of Dry Tortugas Light...on Loggerhead Key.  12 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  11 NM South of Sand Key Light...off Key West.  10 NM South of Looe Key...off Big Pine Key.  12 NM Southeast of Sombrero Key Light...off Marathon.  10 NM Southeast of Alligator Reef Light...off Islamorada.  6 NM Southeast of Molasses Reef Light...off Key Largo.  3 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.    $$
   GMZ033-034-250830-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  1035 PM EDT Wed Jun 24 2026    OVERNIGHT  East winds 10 to 15 knots, becoming east to southeast  and decreasing to 5 to 10 knots. Seas 1 to 2 feet. Wave Detail:  East to southeast 1 foot at 2 seconds. A slight chance of showers  and thunderstorms. Winds and seas will be higher in and near  thunderstorms.  THURSDAY  East to southeast winds 5 to 10 knots. Seas around  1 foot. Wave Detail: Southeast 1 foot at 2 seconds.  THURSDAY NIGHT  East to southeast winds near 10 knots,  increasing to 10 to 15 knots. Seas 1 to 2 feet, building to 2 to  3 feet. Wave Detail: East to southeast 1 foot at 3 seconds. A  slight chance of showers and thunderstorms.  FRIDAY  East to southeast winds near 10 knots. Seas around 2  feet. A slight chance of showers and thunderstorms.  FRIDAY NIGHT  East to southeast winds 10 to 15 knots, decreasing  to near 10 knots. Seas 2 to 3 feet. A slight chance of showers  and thunderstorms.  SATURDAY  East to southeast winds near 10 knots, decreasing to  5 to 10 knots. Seas subsiding to around 2 feet. A slight chance  of showers and thunderstorms.  SATURDAY NIGHT THROUGH SUNDAY NIGHT  East winds 5 to 10 knots.  Seas 1 to 2 feet. A slight chance of showers and thunderstorms.  MONDAY  Northeast to east winds 5 to 10 knots. Seas around 1  foot. A slight chance of showers.  MONDAY NIGHT  East winds 5 to 10 knots. Seas around 1 foot. A  slight chance of showers and thunderstorms.    $$