NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   GMZ005-141430-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1022 PM EDT Tue May 13 2025      .SYNOPSIS...  Gentle breezes and a decrease in shower coverage will define the  upcoming week. A stray thunderstorm in the distant southeastern  Florida Straits is possible overnight, otherwise a general drying  trend is expected this week. A low pressure system over the Ohio  valley will weaken and lift north mid week, veering breezes from  northerly to easterly by Thursday. Breezes will begin to build to  moderate over the weekend.    The Approximate Shoreward Edge of the Gulf Stream as of May  10th...    22 NM South of Dry Tortugas Light...on Loggerhead Key.  8 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  6 NM South of Sand Key Light...off Key West.  5 NM South of Looe Key...off Big Pine Key.  7 NM South of Sombrero Key Light...off Marathon.  12 NM Southeast of Alligator Reef Light...off Islamorada.  8 NM Southeast of Molasses Reef Light...off Key Largo.  2 NM East of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the Naval Oceanographic  Office.    $$
   GMZ032-035-141430-  Bayside and Gulfside from Craig Key to west end of Seven Mile  Bridge-  Gulf of America from west end of Seven Mile Bridge to Halfmoon  Shoal out to 5 Fathoms-  1022 PM EDT Tue May 13 2025    OVERNIGHT  Northwest winds near 5 knots, becoming north late.  Seas 1 foot or less. Nearshore waters smooth.  WEDNESDAY  Northeast winds near 5 knots, becoming variable.  Seas 1 foot or less. Nearshore waters smooth.  WEDNESDAY NIGHT  Variable winds near 5 knots, becoming east to  southeast. Seas 1 foot or less. Nearshore waters smooth.  THURSDAY THROUGH FRIDAY  East to southeast winds 5 to 10 knots.  Seas around 1 foot. Nearshore waters smooth to a light chop.  FRIDAY NIGHT  East to southeast winds near 10 knots. Seas around  1 foot. Nearshore waters a light chop.  SATURDAY  Southeast winds 5 to 10 knots. Seas around 1 foot,  except 1 to 2 feet west of the Marquesas Keys. Nearshore waters  smooth to a light chop.  SATURDAY NIGHT  East to southeast winds near 10 knots,  increasing to 10 to 15 knots. Seas around 1 foot. Nearshore  waters a light chop, becoming a light to moderate chop.  SUNDAY  Southeast winds decreasing to near 10 knots. Seas around  1 foot, except 1 to 2 feet west of the Marquesas Keys. Nearshore  waters becoming a light chop.  SUNDAY NIGHT  East to southeast winds 10 to 15 knots. Seas 1 to  2 feet, except 2 to 3 feet west of the Marquesas Keys. Nearshore  waters a light to moderate chop.    $$