NWS Marine Forecast


   GMZ005-092030-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  417 AM EDT Sat May 9 2026      .SYNOPSIS...Gentle to moderate breezes will start out the weekend  while high pressure over the western Atlantic dominates the  weather pattern. Light to gentle breezes with periods of variable  winds are expected by the start of the work week. Deep layers of  dry air over South Florida will keep rain and thunder chances low  through the weekend and early next week. A lingering frontal  boundary next week may be able to slightly increase rain chances.    The Approximate Shoreward Edge of the Gulf Stream as of May 05...    23 NM South of Dry Tortugas Light...on Loggerhead Key.  13 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  12 NM South of Sand Key Light...off Key West.  14 NM South of Looe Key...off Big Pine Key.  14 NM Southeast of Sombrero Key Light...off Marathon.  10 NM Southeast of Alligator Reef Light...off Islamorada.  8 NM Southeast of Molasses Reef Light...off Key Largo.  7 NM Southeast of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the National Weather Service in  Key West based on products from NASA SPoRT and RTOFS.    $$
   GMZ033-034-092030-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  417 AM EDT Sat May 9 2026    TODAY  Southeast winds near 10 knots, decreasing to 5 to 10  knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 3  seconds.  TONIGHT  Southeast winds 5 to 10 knots. Seas around 1 foot.  Wave Detail: East to southeast 1 foot at 3 seconds. A slight  chance of showers.  SUNDAY  Southeast winds 5 to 10 knots. Seas around 1 foot. Wave  Detail: East to southeast 1 foot at 3 seconds.  SUNDAY NIGHT  East to southeast winds near 10 knots, increasing  to 10 to 15 knots. Seas building to 1 to 2 feet.  MONDAY  Southeast to south winds 5 to 10 knots, becoming  variable. Seas 1 to 2 feet.  MONDAY NIGHT  Variable winds near 5 knots. Seas 1 foot or less.  A slight chance of showers.  TUESDAY  North winds near 5 knots. Seas 1 foot or less. A  slight chance of showers.  TUESDAY NIGHT  North to northeast winds 5 to 10 knots, becoming  northeast. Seas around 1 foot.  WEDNESDAY  Northeast winds near 5 knots. Seas around 1 foot.  WEDNESDAY NIGHT  North to northeast winds 5 to 10 knots. Seas  1 to 2 feet.    $$