NWS Marine Forecast


   GMZ005-060330-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1020 AM EST Thu Mar 5 2026      .SYNOPSIS...  A large and robust high remains centered over the central North  Atlantic. This will continue to promote a prolonged period of  moderate to fresh breezes across Florida Keys coastal waters  through the remainder of the week and into the weekend. Winds  will be strongest across the Florida Straits and weakest over the  cooler Gulf side waters.    The Approximate Shoreward Edge of the Gulf Stream as of March 1...    47 NM South of Dry Tortugas Light...on Loggerhead Key.  16 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  9 NM South of Sand Key Light...off Key West.  7 NM South of Looe Key...off Big Pine Key.  8 NM Southeast of Sombrero Key Light...off Marathon.  8 NM Southeast of Alligator Reef Light...off Islamorada.  7 NM Southeast of Molasses Reef Light...off Key Largo.  8 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.    $$
   GMZ042>044-060330-  Hawk Channel from Ocean Reef to Craig Key out to the reef-  Hawk Channel from Craig Key to west end of Seven Mile Bridge out  to the reef-  Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal  out to the reef-  1020 AM EST Thu Mar 5 2026    SMALL CRAFT SHOULD EXERCISE CAUTION    THIS AFTERNOON  East winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Nearshore waters choppy. Isolated showers  and thunderstorms.  TONIGHT  East winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Nearshore waters choppy. Scattered  showers and isolated thunderstorms.  FRIDAY  East winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Nearshore waters choppy. Isolated showers  and thunderstorms.  FRIDAY NIGHT AND SATURDAY  East winds 15 to 20 knots. Seas 3 to  5 feet, occasionally to 6 feet. Nearshore waters choppy.  Scattered showers and isolated thunderstorms.  SATURDAY NIGHT  East winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet. Nearshore waters choppy. Scattered  showers and isolated thunderstorms.  SUNDAY  East winds near 15 knots. Seas 3 to 4 feet,  occasionally to 5 feet. Nearshore waters a moderate chop.  Scattered showers and isolated thunderstorms.  SUNDAY NIGHT THROUGH MONDAY NIGHT  East winds near 15 knots.  Seas 3 to 4 feet, occasionally to 5 feet. Nearshore waters a  moderate chop. Isolated showers and thunderstorms.    $$