NWS Marine Forecast


   GMZ005-060230-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1022 AM EDT Sun Jul 5 2026      .SYNOPSIS...  Light to gentle, occasionally moderate breezes will persist  across the Florida Keys waters. Shower chances will oscillate  between a slight and a chance of showers through the remainder of  the weekend before a weak Saharan Air Layer moves over the area.  Expect breezes to shift between easterly and southerly while the  western flank of the Atlantic high meanders across Southern  Florida through the week.    The Approximate Shoreward Edge of the Gulf Stream as of June 28,  2026...    33 NM South of Dry Tortugas Light...on Loggerhead Key.  8 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  7 NM South of Sand Key Light...off Key West.  11 NM South of Looe Key...off Big Pine Key.  12 NM Southeast of Sombrero Key Light...off Marathon.  7 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.    $$
   GMZ033-034-060230-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  1022 AM EDT Sun Jul 5 2026    THIS AFTERNOON  Southeast to south winds 5 to 10 knots,  becoming east to southeast near 5 knots. Seas around 1 foot. Wave  Detail: Southeast to south 1 foot at 3 seconds. A chance of  showers with a slight chance of thunderstorms.  TONIGHT  East to southeast winds 5 to 10 knots, becoming  southeast to south 10 to 15 knots after midnight. Seas around 1  foot. Wave Detail: Southeast 1 foot at 3 seconds. A slight chance  of showers and thunderstorms.  MONDAY  South winds near 5 knots. Seas 1 foot or less. Wave  Detail: Southeast to south 1 foot at 3 seconds. A chance of  showers with a slight chance of thunderstorms.  MONDAY NIGHT  Southeast winds near 5 knots. Seas 1 foot or  less. A slight chance of showers and thunderstorms.  TUESDAY  East to southeast winds near 5 knots. Seas 1 foot or  less. A slight chance of showers and thunderstorms.  TUESDAY NIGHT  East winds increasing to near 10 knots. Seas 1  foot or less. A slight chance of showers and thunderstorms.  WEDNESDAY  East winds 5 to 10 knots. Seas around 1 foot. A  slight chance of showers and thunderstorms.  WEDNESDAY NIGHT  East to southeast winds near 10 knots. Seas  1 to 2 feet. A slight chance of showers.  THURSDAY  East to southeast winds 5 to 10 knots. Seas 1 to  2 feet.  THURSDAY NIGHT  East to southeast winds 10 to 15 knots. Seas  1 to 2 feet. A slight chance of showers and thunderstorms.    $$