NWS Marine Forecast


   GMZ005-250230-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1021 AM EDT Sun May 24 2026      .SYNOPSIS...A North Atlantic high pressure system centered near  Bermuda will support fresh east to southeast breezes through  Tuesday night. Breezes will noticeably slacken and veer to the  southeast to south, as the high slides eastward and weakens by  mid- week. Shower and thunderstorm chances will increase by the  middle of the work week.    The Approximate Shoreward Edge of the Gulf Stream as of May 22...    22 NM South of Dry Tortugas Light...on Loggerhead Key.  9 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  8 NM South of Sand Key Light...off Key West.  8 NM South of Looe Key...off Big Pine Key.  6 NM Southeast of Sombrero Key Light...off Marathon.  4 NM Southeast of Alligator Reef Light...off Islamorada.  1 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 based on products from NASA SPoRT and RTOFS.    $$
   GMZ033-034-250230-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  1021 AM EDT Sun May 24 2026    THIS AFTERNOON  East to southeast winds near 15 knots. Seas 2  to 3 feet. Wave Detail: East to southeast 3 feet at 4 seconds. A  slight chance of showers and thunderstorms.  TONIGHT  East to southeast winds 15 to 20 knots. Seas 3 to 4  feet, occasionally to 5 feet. Wave Detail: East 3 feet at 4  seconds. A slight chance of showers and thunderstorms.  MONDAY  East to southeast winds 15 to 20 knots. Seas 3 to 4  feet, occasionally to 5 feet. Wave Detail: East to southeast 3  feet at 4 seconds. A slight chance of showers and thunderstorms.  MONDAY NIGHT  East to southeast winds 15 to 20 knots. Seas 3 to  4 feet, occasionally to 5 feet. A slight chance of showers and  thunderstorms.  TUESDAY  East to southeast winds 15 to 20 knots. Seas 3 to  4 feet, occasionally to 5 feet. A slight chance of showers and  thunderstorms.  TUESDAY NIGHT  East to southeast winds near 15 knots. Seas 2 to  3 feet. A chance of showers with a slight chance of  thunderstorms.  WEDNESDAY  Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A  chance of shower and thunderstorms.  WEDNESDAY NIGHT  Southeast winds near 10 knots. Seas 1 to  2 feet. A chance of showers and thunderstorms.  THURSDAY  Southeast winds 5 to 10 knots. Seas 1 to 2 feet. A  slight chance of showers and thunderstorms.  THURSDAY NIGHT  Southeast winds 5 to 10 knots. Seas around 1  foot. A slight chance of showers and thunderstorms.    $$