NWS Marine Forecast


   GMZ005-160945-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  436 PM EST Sat Nov 15 2025      .SYNOPSIS...High pressure centered over the Southeast U.S. will  continue to move southward throughout the rest of the weekend.  This will promote light to gentle breezes. Due to the weak flow,  there may be a period of light and variable breezes Sunday through  Monday, mainly in the afternoons. Another high pressure system  will traverse across the eastern United States early next week  while slowly strengthening. This will allow for freshening  northeast to east breezes for the middle and latter part of next  week.    The Approximate Shoreward Edge of the Gulf Stream as of November 14...    54 NM South of Dry Tortugas Light...on Loggerhead Key.  23 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  19 NM South of Sand Key Light...off Key West.  17 NM South of Looe Key...off Big Pine Key.  15 NM Southeast of Sombrero Key Light...off Marathon.  4 NM Southeast of Alligator Reef Light...off Islamorada.  1 NM Southeast of Molasses Reef Light...off Key Largo.  1 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.    $$
   GMZ033-034-160945-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  436 PM EST Sat Nov 15 2025    TONIGHT  Northeast to east winds 5 to 10 knots, decreasing to  near 5 knots. Seas 1 to 2 feet. Wave Detail: Northeast to east 1  foot at 3 seconds.  SUNDAY  Northeast winds near 5 knots, becoming variable. Seas 1  foot or less. Wave Detail: East to southeast 1 foot at 2 seconds.  SUNDAY NIGHT  Variable winds near 5 knots. Seas 1 foot or less.  MONDAY  Northeast winds near 5 knots, becoming northeast to east.  Seas 1 foot or less.  MONDAY NIGHT  Northeast to east winds 5 to 10 knots. Seas  around 1 foot.  TUESDAY  East winds 5 to 10 knots. Seas around 1 foot.  TUESDAY NIGHT  East winds 5 to 10 knots, increasing to 10 to 15  knots. Seas around 1 foot, building to 1 to 2 feet.  WEDNESDAY  East winds 10 to 15 knots. Seas 1 to 3 feet.  WEDNESDAY NIGHT  East winds 10 to 15 knots, increasing to 15 to  20 knots. Seas 1 to 3 feet, building to 2 to 4 feet, occasionally  to 5 feet.  THURSDAY  East winds 15 to 20 knots. Seas 2 to 4 feet,  occasionally to 5 feet.  THURSDAY NIGHT  East winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet.    $$