NWS Marine Forecast



 Hazardous marine condition(s):
 Short Term Forecast
   GMZ005-210215-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1004 AM EDT Wed May 20 2026      .SYNOPSIS...Surface high pressure centered north of Bermuda will  continue to support gentle to moderate easterly breezes across  the Florida Keys waters. Winds are forecast to continue to  gradually decrease during the remainder of the week with peaks in  wind speed expected during the evenings and periods of lulls  during the day. Rain and thunder chances will remain elevated  through the remainder of the week.      The Approximate Shoreward Edge of the Gulf Stream as of May 12...    35 NM South of Dry Tortugas Light...on Loggerhead Key.  9 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  6 NM South of Sand Key Light...off Key West.  7 NM South of Looe Key...off Big Pine Key.  6 NM Southeast of Sombrero Key Light...off Marathon.  6 NM Southeast of Alligator Reef Light...off Islamorada.  4 NM Southeast of Molasses Reef Light...off Key Largo.  3 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.    $$
   GMZ033-034-210215-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  1004 AM EDT Wed May 20 2026    THIS AFTERNOON  East to southeast winds 10 to 15 knots. Seas 2  to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of  showers with a slight chance of thunderstorms.  TONIGHT  East winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: East 3 feet at 4 seconds. A chance of showers with a  slight chance of thunderstorms.  THURSDAY  East winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: East 3 feet at 4 seconds. A slight chance of showers and  thunderstorms.  THURSDAY NIGHT  East to southeast winds 10 to 15 knots. Seas  2 to 3 feet. A slight chance of showers and thunderstorms.  FRIDAY  East to southeast winds 10 to 15 knots. Seas 2 to 3  feet. A slight chance of showers and thunderstorms.  FRIDAY NIGHT  East to southeast winds 10 to 15 knots. Seas 2 to  3 feet. A slight chance of showers and thunderstorms.  SATURDAY  East to southeast winds 10 to 15 knots. Seas 2 to 3  feet. A slight chance of showers and thunderstorms.  SATURDAY NIGHT  East to southeast winds 10 to 15 knots. Seas  2 to 3 feet. A slight chance of showers and thunderstorms.  SUNDAY  East to southeast winds near 15 knots. Seas 2 to  4 feet, occasionally to 5 feet. A slight chance of showers and  thunderstorms.  SUNDAY NIGHT  East winds 15 to 20 knots. Seas 3 to 4 feet,  occasionally to 5 feet. A chance of showers and thunderstorms.    $$