NWS Marine Forecast


   GMZ005-120215-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1009 AM EDT Thu Jun 11 2026      .SYNOPSIS...A weak high pressure system in the west- central  North Atlantic will slide eastward over the next several days,  merging with another high pressure system in the eastern North  Atlantic. This will support light to gentle east to southeast  breezes gradually veering to the southeast to south through the  weekend and into early next week.    The Approximate Shoreward Edge of the Gulf Stream as of June 6...    47 NM South of Dry Tortugas Light...on Loggerhead Key.  18 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  13 NM South of Sand Key Light...off Key West.  12 NM South of Looe Key...off Big Pine Key.  14 NM South of Sombrero Key Light...off Marathon.  10 NM Southeast of Alligator Reef Light...off Islamorada.  7 NM Southeast of Molasses Reef Light...off Key Largo.  6 NM East of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the National Weather Service in  Key West, using data from RTOFS and NASA SPoRT SST.    $$
   GMZ042>044-120215-  Hawk Channel from Ocean Reef to Craig Key out to the reef-  Hawk Channel from Craig Key to west end of Seven Mile Bridge out  to the reef-  Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal  out to the reef-  1009 AM EDT Thu Jun 11 2026    THIS AFTERNOON  East to southeast winds near 10 knots. Seas  around 1 foot. Nearshore waters a light chop. A chance of showers  with a slight chance of thunderstorms.  TONIGHT  East to southeast winds near 10 knots. Seas around  1 foot. Nearshore waters a light chop. A slight chance of showers  and thunderstorms.  FRIDAY  East to southeast winds 5 to 10 knots. Seas around  1 foot. Nearshore waters smooth to a light chop. A slight chance  of showers and thunderstorms.  FRIDAY NIGHT  East to southeast winds near 5 knots. Seas around  1 foot. Nearshore waters smooth. A slight chance of showers and  thunderstorms.  SATURDAY  East to southeast winds 5 to 10 knots. Seas around  1 foot. Nearshore waters smooth to a light chop. A slight chance  of showers and thunderstorms.  SATURDAY NIGHT  Southeast winds near 5 knots. Seas around  1 foot. Nearshore waters smooth. A slight chance of showers and  thunderstorms.  SUNDAY  East to southeast winds near 5 knots. Seas around 1  foot. Nearshore waters smooth. A slight chance of showers and  thunderstorms.  SUNDAY NIGHT  Southeast to south winds 5 to 10 knots. Seas  around 1 foot. Nearshore waters smooth to a light chop. A slight  chance of showers and thunderstorms.  MONDAY  South winds 5 to 10 knots. Seas around 1 foot.  Nearshore waters smooth to a light chop. A slight chance of  showers and thunderstorms.  MONDAY NIGHT  Southeast to south winds 5 to 10 knots. Seas  around 1 foot. Nearshore waters smooth to a light chop.    $$