NWS Marine Forecast

   GMZ005-310245-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1035 AM EDT Sun Aug 30 2026      .SYNOPSIS...  The western periphery of an Atlantic high remains in control of  the Keys for the next several days. Therefore, expect continued  peaking and lulling breezes. The direction will also shift over  the coming days with east to southeasterly breezes overnight and  in the morning with northeast to east breezes late afternoon and  evening. In addition, the overall flow will keep deep moisture in  place across the region with daily chances of showers and  thunderstorms. Locally hazardous winds and seas are expected in  the vicinity of thunderstorm activity.    The Approximate Shoreward Edge of the Gulf Stream as of August 26,  2026...    32 NM south of Dry Tortugas Light, on Loggerhead Key  9 NM south-southeast of Cosgrove Shoal Light, off the Marquesas Keys  7 NM south-southeast of Sand Key Light, off Key West  6 NM south-southeast of Looe Key, off Big Pine Key  7 NM south-southeast of Sombrero Key Light, off Marathon  4 NM southeast of Alligator Reef Light, off Islamorada  1 NM west-northwest of Molasses Reef Light, off Key Largo  1 NM east-southeast of Carysfort Reef Light, off Ocean Reef    Gulf Stream Information Courtesy of the Naval Oceanographic  Office.    $$

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   GMZ033-034-310245-  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-  1035 AM EDT Sun Aug 30 2026    THIS AFTERNOON  East to southeast winds 10 to 15 knots,  becoming 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast  2 feet at 4 seconds. Showers likely with a chance of  thunderstorms.  TONIGHT  East winds 5 to 10 knots, increasing to 10 to 15 knots.  Seas 1 to 2 feet. Wave Detail: East 2 feet at 3 seconds. A chance  of showers and thunderstorms.  MONDAY  East winds near 5 knots. Seas 1 foot or less. Wave  Detail: East to southeast 1 foot at 3 seconds. Showers likely  with a chance of thunderstorms.  MONDAY NIGHT  East winds 5 to 10 knots. Seas around 1 foot. A  chance of showers and thunderstorms.  TUESDAY  East to southeast winds 5 to 10 knots. Seas 1 foot or  less. Showers likely with a chance of thunderstorms.  TUESDAY NIGHT  East winds 5 to 10 knots. Seas 1 to 2 feet. A  chance of showers and thunderstorms.  WEDNESDAY  East winds 5 to 10 knots. Seas 1 to 2 feet. A chance  of showers and thunderstorms.  WEDNESDAY NIGHT  East winds 10 to 15 knots. Seas 1 to 2 feet.  Showers and thunderstorms likely.  THURSDAY  East winds 5 to 10 knots. Seas around 1 foot. Showers  and thunderstorms likely.  THURSDAY NIGHT  East to southeast winds 10 to 15 knots. Seas  1 to 2 feet. Showers and thunderstorms likely.    $$