NWS Marine Forecast



 Hazardous marine condition(s):
 Short Term Forecast
 Small Craft Advisory
   GMZ005-270230-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1019 AM EDT Tue May 26 2026      .SYNOPSIS...An Atlantic high pressure system centered near  Bermuda will support fresh east to southeast breezes through  tonight. 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.    $$
   GMZ031-270230-  Florida Bay including Barnes Sound, Blackwater Sound, and  Buttonwood Sound-  1019 AM EDT Tue May 26 2026    SMALL CRAFT ADVISORY IN EFFECT    THIS AFTERNOON  East to southeast winds near 20 knots,  decreasing to 15 to 20 knots. Bay waters rough, becoming choppy.  A slight chance of showers and thunderstorms.  TONIGHT  East to southeast winds 15 to 20 knots. Bay waters  choppy. A slight chance of showers and thunderstorms.  TUESDAY NIGHT  East to southeast winds 15 to 20 knots. Bay  waters choppy. A chance of showers and thunderstorms.  WEDNESDAY  East to southeast winds near 15 knots. Bay waters a  moderate chop. A chance of showers and thunderstorms.  WEDNESDAY NIGHT  East to southeast winds 10 to 15 knots. Bay  waters a light to moderate chop. A chance of showers and  thunderstorms.  THURSDAY  Southeast winds near 10 knots. Bay waters a light  chop. A chance of showers and thunderstorms.  THURSDAY NIGHT  Southeast winds 5 to 10 knots. Bay waters  smooth to a light chop. A slight chance of showers and  thunderstorms.  FRIDAY AND FRIDAY NIGHT  Southeast to south winds 5 to 10  knots. Bay waters smooth to a light chop. A chance of showers and  thunderstorms.  SATURDAY  Southeast to south winds near 10 knots. Bay waters a  light chop. A chance of thunderstorms. Showers likely.  SATURDAY NIGHT  Southeast to south winds 10 to 15 knots. Bay  waters a light to moderate chop. A chance of showers and  thunderstorms.    $$