NWS Marine Forecast

   GMZ005-171430-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1022 PM EDT Wed Sep 16 2026      .SYNOPSIS...  Gentle to moderate northeast to east breezes will prevail through  Thursday, as a ridge continues to build southward over the  eastern United States. Winds will then slacken and shift east to  southeast through the remainder of the week, as the high weakens  and slips into the western North Atlantic. A wet pattern will  persist across Keys coastal waters through Sunday, as an upper-  level low retrogrades westward towards the Florida Keys.    The Approximate Shoreward Edge of the Gulf Stream as of September  11, 2026...    26 NM south of Dry Tortugas Light, on Loggerhead Key  15 NM south of Cosgrove Shoal Light, off the Marquesas Keys  15 NM south of Sand Key Light, off Key West  11 NM south-southeast of Looe Key, off Big Pine Key  8 NM southeast of Sombrero Key Light, off Marathon  6 NM southeast of Alligator Reef Light, off Islamorada  2 NM southeast of Molasses Reef Light, off Key Largo  1 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.    $$

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   GMZ033-034-171430-  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-  1022 PM EDT Wed Sep 16 2026    OVERNIGHT  East winds near 15 knots. Seas 2 to 3 feet. Wave  Detail: Northeast to east 3 feet at 5 seconds. Showers likely  with a chance of thunderstorms.  THURSDAY  Northeast to east winds near 15 knots, decreasing to  near 10 knots. Seas subsiding to 2 to 3 feet. Wave Detail:  Northeast to east 3 feet at 5 seconds. Showers likely with a  chance of thunderstorms.  THURSDAY NIGHT  East winds 10 to 15 knots. Seas 2 to 3 feet.  Wave Detail: Northeast to east 2 feet at 5 seconds. Showers likely  with a chance of thunderstorms.  FRIDAY  East winds near 10 knots, decreasing to 5 to 10 knots.  Seas around 2 feet, subsiding to 1 to 2 feet. Showers likely with  a chance of thunderstorms.  FRIDAY NIGHT  East winds 5 to 10 knots. Seas 1 to 2 feet, subsiding  to around 1 foot. Showers likely with a chance of thunderstorms.  SATURDAY  East to southeast winds 5 to 10 knots. Seas around 1  foot. Showers likely with a chance of thunderstorms.  SATURDAY NIGHT  Southeast winds near 5 knots. Seas 1 foot or  less. Showers likely with a chance of thunderstorms.  SUNDAY  South winds near 5 knots. Seas 1 foot or less. A chance  of showers and thunderstorms.  SUNDAY NIGHT  South to southwest winds near 5 knots. Seas  1 foot or less. Showers likely with a chance of thunderstorms.  MONDAY  South to southwest winds near 5 knots. Seas 1 foot or  less. Showers likely with a chance of thunderstorms.  MONDAY NIGHT  Southeast to south winds 5 to 10 knots. Seas  around 1 foot. Showers likely with a chance of thunderstorms.    $$