NWS Marine Forecast


   GMZ005-081415-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  915 PM EST Sat Nov 7 2026      .SYNOPSIS...  A robust high pressure system will build across the Southeast  United States over the next few days. As a result, light north to  northeasterly breezes will gradually shift northeasterly and  freshen early next week. As the high slides further southeastward  into the west- central North Atlantic, breezes will clock around  to the east and modestly slacken by mid week. A strong cold front  may push through the Keys marine zones on Thursday night, with  winds backing to the northwest and freshening in its wake.    The Approximate Shoreward Edge of the Gulf Stream as of November  03, 2026...    57 NM south of Dry Tortugas Light, on Loggerhead Key  34 NM south of Cosgrove Shoal Light, off the Marquesas Keys  25 NM south of Sand Key Light, off Key West  17 NM south of Looe Key, off Big Pine Key  17 NM southeast of Sombrero Key Light, off Marathon  28 NM south-southeast of Alligator Reef Light, off Islamorada  26 NM southeast of Molasses Reef Light, off Key Largo  12 NM east-southeast 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.    $$
   GMZ033-034-081415-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  915 PM EST Sat Nov 7 2026    OVERNIGHT  North to northeast winds 5 to 10 knots, increasing  to 10 to 15 knots. Seas 1 to 2 feet, building to around 2 feet.  Wave Detail: North 2 feet at 4 seconds. A slight chance of  showers.  SUNDAY  North to northeast winds near 10 knots, decreasing to 5  to 10 knots. Seas 1 to 2 feet. Wave Detail: Northwest to north 2  feet at 5 seconds.  SUNDAY NIGHT  North to northeast winds near 10 knots. Seas  around 2 feet. Wave Detail: North 2 feet at 5 seconds. A slight  chance of showers.  MONDAY  Northeast to east winds 5 to 10 knots. Seas 1 to 2  feet.  MONDAY NIGHT  Northeast winds 5 to 10 knots, becoming northeast  to east 10 to 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet.  A slight chance of showers.  TUESDAY  East winds 10 to 15 knots, decreasing to near 10 knots.  Seas 2 to 3 feet, subsiding to around 2 feet. A slight chance of  showers.  TUESDAY NIGHT  East winds 5 to 10 knots. Seas 1 to 2 feet.  WEDNESDAY  East winds near 5 knots. Seas around 1 foot. A  slight chance of showers.  WEDNESDAY NIGHT  East to southeast winds near 5 knots. Seas 1  foot or less. A slight chance of showers.  THURSDAY  Southeast winds near 5 knots, becoming southwest to  west and increasing to near 10 knots. Seas 1 foot or less,  building to 1 to 2 feet. A chance of showers.  THURSDAY NIGHT  West winds near 10 knots, becoming west to  northwest and increasing to near 15 knots. Seas 1 to 2 feet,  building to to 2 to 4 feet, occasionally to 5 feet. A chance of  showers with a slight chance of thunderstorms.    $$