NWS Marine Forecast

   GMZ005-170845-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  431 PM EDT Thu Jul 16 2026      .SYNOPSIS...  A split ridge pattern will remain across Keys waters for at least  the next several day. This will keep a col somewhere near the  Keys and keep winds light and often variable. Breezes will tend  to peak in the evening and overnight hours, before lulling during  the day, particularly over the outer eastern Straits where the  Atlantic ridge continues to exert some control. A large area of  Saharan dust will remain in place across the Florida Keys marine  zones for the next several days, acting to limit rain and thunder  chances.    The Approximate Shoreward Edge of the Gulf Stream as of  July 12...    63 NM South of Dry Tortugas Light...on Loggerhead Key.  38 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  21 NM South of Sand Key Light...off Key West.  13 NM South of Looe Key...off Big Pine Key.  12 NM South of Sombrero Key Light...off Marathon.  7 NM Southeast of Alligator Reef Light...off Islamorada.  3 NM Southeast of Molasses Reef Light...off Key Largo.  2 NM 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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   GMZ033-034-170845-  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-  431 PM EDT Thu Jul 16 2026    TONIGHT  North to northeast winds 5 to 10 knots. Seas around  1 foot. Wave Detail: Northwest to north 1 foot at 3 seconds. A  slight chance of showers and thunderstorms.  FRIDAY  North winds near 5 knots. Seas around 1 foot. Wave  Detail: Northwest to north 1 foot at 4 seconds. A slight chance  of showers and thunderstorms.  FRIDAY NIGHT  North winds near 5 knots, becoming variable. Seas  around 1 foot. Wave Detail: Northwest to north 1 foot at 5  seconds. A chance of showers with a slight chance of  thunderstorms.  SATURDAY  Variable winds near 5 knots, becoming southeast to  south. Seas around 1 foot. A slight chance of showers and  thunderstorms.  SATURDAY NIGHT  South to southwest winds near 5 knots. Seas  around 1 foot. A slight chance of showers and thunderstorms.  SUNDAY  Southwest winds 5 to 10 knots. Seas 1 to 2 feet. A  slight chance of showers and thunderstorms.  SUNDAY NIGHT  Southwest winds 5 to 10 knots. Seas 1 to 2 feet.  A slight chance of showers and thunderstorms.  MONDAY  Southwest winds near 10 knots. Seas 1 to 2 feet. A  slight chance of showers and thunderstorms.  MONDAY NIGHT  South to southwest winds 5 to 10 knots. Seas 1 to  2 feet. A slight chance of showers and thunderstorms.  TUESDAY  South winds 5 to 10 knots. Seas 1 to 2 feet. A slight  chance of showers and thunderstorms.  TUESDAY NIGHT  Southeast winds 5 to 10 knots. Seas around  1 foot. A slight chance of showers.    $$