NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   GMZ005-260830-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  416 PM EDT Mon May 25 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 the  middle of the week. Shower and thunderstorm chances will increase  for the middle and latter part 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.    $$
   GMZ033-034-260830-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  416 PM EDT Mon May 25 2026    SMALL CRAFT ADVISORY IN EFFECT    TONIGHT  East to southeast winds 15 to 20 knots, increasing to  near 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave  Detail: East to southeast 4 feet at 5 seconds. A chance of  showers with a slight chance of thunderstorms.  TUESDAY  Southeast winds 15 to 20 knots. Seas 4 to 5 feet,  occasionally to 6 feet, subsiding to 3 to 4 feet, occasionally to  5 feet. Wave Detail: Southeast 4 feet at 5 seconds. A slight  chance of showers and thunderstorms.  TUESDAY NIGHT  Southeast winds 15 to 20 knots. Seas 3 to  4 feet, occasionally to 5 feet. Wave Detail: East to southeast  3 feet at 5 seconds. A chance of showers and thunderstorms.  WEDNESDAY  Southeast winds near 15 knots, decreasing to 10 to  15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms.  WEDNESDAY NIGHT  Southeast winds near 10 knots. Seas around 2  feet, subsiding to 1 to 2 feet. A chance of showers and  thunderstorms.  THURSDAY  Southeast winds 5 to 10 knots. Seas 1 to 2 feet,  subsiding to around 1 foot. A chance of showers and  thunderstorms.  THURSDAY NIGHT  Southeast winds near 5 knots. Seas 1 foot or  less. A slight chance of showers and thunderstorms.  FRIDAY  Southeast winds near 5 knots. Seas 1 foot or less. A  chance of showers with a slight chance of thunderstorms.  FRIDAY NIGHT  Southeast to south winds 5 to 10 knots. Seas  around 1 foot. A chance of thunderstorms. A chance of showers.  SATURDAY  Southeast to south winds near 10 knots. Seas 1 to 2  feet. Showers likely with a chance of thunderstorms.  SATURDAY NIGHT  Southeast to south winds 10 to 15 knots. Seas  building to 2 to 3 feet. A chance of showers and thunderstorms.    $$