NWS Marine Forecast



 Hazardous marine condition(s):
 Short Term Forecast
 Hazardous Weather Outlook
   GMZ005-200830-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  422 PM EDT Thu Jun 19 2025      .SYNOPSIS...Atlantic ridging across the Florida Peninsula will  weaken over the next couple of days resulting in relaxing breezes.  The Atlantic ridging will consolidate off the southeast coast  over the weekend and early next week returning moderate and  periodically fresh breezes.    The Approximate Shoreward Edge of the Gulf Stream as of June 13...    18 NM Southwest of Dry Tortugas Light...on Loggerhead Key.  36 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  33 NM South of Sand Key Light...off Key West.  39 NM South of Looe Key...off Big Pine Key.  25 NM South of Sombrero Key Light...off Marathon.  11 NM Southeast of Alligator Reef Light...off Islamorada.  5 NM Southeast of Molasses Reef Light...off Key Largo.  5 NM East 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.    $$
   GMZ033-034-200830-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  422 PM EDT Thu Jun 19 2025    TONIGHT  East to southeast winds near 10 knots. Seas 1 to 2  feet. Wave Detail: East 2 feet at 3 seconds. Isolated showers and  thunderstorms.  FRIDAY  East to southeast winds near 10 knots, decreasing to 5  to 10 knots. Seas 1 to 2 feet. Wave Detail: East 1 foot at 3  seconds. Scattered showers and isolated thunderstorms.  FRIDAY NIGHT  East to southeast winds increasing to near 10  knots. Seas 1 to 2 feet. Scattered showers and isolated  thunderstorms.  SATURDAY  East to southeast winds near 10 knots. Seas 1 to  2 feet. Scattered showers and isolated thunderstorms.  SATURDAY NIGHT  East to southeast winds 10 to 15 knots. Seas  1 to 2 feet. Scattered showers and isolated thunderstorms.  SUNDAY  East winds 10 to 15 knots. Seas 1 to 2 feet. Scattered  showers and isolated thunderstorms.  SUNDAY NIGHT  East winds increasing to near 15 knots. Seas  building to 2 to 4 feet. Scattered showers and isolated  thunderstorms.  MONDAY AND MONDAY NIGHT  East winds 10 to 15 knots. Seas 2 to 3  feet. Scattered showers and isolated thunderstorms.  TUESDAY  East winds 10 to 15 knots. Seas 2 to 3 feet. Scattered  showers and isolated thunderstorms.  TUESDAY NIGHT  East winds 10 to 15 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Scattered showers and isolated  thunderstorms.    $$