NWS Marine Forecast


   GMZ005-171530-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1025 PM EST Sun Nov 16 2025      .SYNOPSIS...Weak high pressure will continue to promote light to  gentle breezes across the Florida Keys coastal waters through  Monday. Due to the weak flow, there may be periods of light and  variable breezes. Another high pressure system will traverse  across the eastern United States early this week while slowly  strengthening. This will allow for freshening northeast to east  breezes for the middle and latter part of the 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.    $$
   GMZ052>055-072>075-171530-  Straits of Florida from Ocean Reef to Craig Key out 20 NM-  Straits of Florida from Craig Key to west end of Seven Mile  Bridge out 20 NM-  Straits of Florida from west end of Seven Mile Bridge to south of  Halfmoon Shoal out 20 NM-  Straits of Florida from Halfmoon Shoal to 20 NM west of Dry  Tortugas out 20 NM-  Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-  Straits of Florida from Craig Key to west end of Seven Mile  Bridge 20 to 60 NM out-  Straits of Florida from west end of Seven Mile Bridge to south of  Halfmoon Shoal 20 to 60 NM out-  Straits of Florida from Halfmoon Shoal to 20 NM west of Dry  Tortugas 20 to 60 NM out-  1025 PM EST Sun Nov 16 2025    OVERNIGHT  Northwest to north winds 5 to 10 knots. Seas around  1 foot. Wave Detail: Northeast 1 foot at 4 seconds.  MONDAY  Northeast winds 5 to 10 knots. Seas around 1 foot. Wave  Detail: Northeast 1 foot at 4 seconds.  MONDAY NIGHT  Northeast to east winds 5 to 10 knots. Seas 1 to  2 feet. Wave Detail: Northeast to east 1 foot at 3 seconds.  TUESDAY  Northeast to east winds near 10 knots, increasing to 10  to 15 knots. Seas around 2 feet.  TUESDAY NIGHT  Northeast to east winds 10 to 15 knots,  increasing to near 15 knots. Seas 2 to 3 feet. Isolated showers.  WEDNESDAY  East winds 15 to 20 knots. Seas 2 to 4 feet,  occasionally to 5 feet. Isolated showers.  WEDNESDAY NIGHT  East winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet.  THURSDAY  East winds 15 to 20 knots. Seas 4 to 6 feet,  occasionally to 8 feet.  THURSDAY NIGHT  East winds 15 to 20 knots. Seas 4 to 6 feet,  occasionally to 8 feet. Isolated showers.  FRIDAY  East winds 15 to 20 knots. Seas 4 to 6 feet,  occasionally to 8 feet.  FRIDAY NIGHT  East winds 15 to 20 knots. Seas 4 to 6 feet,  occasionally to 8 feet. Isolated showers.    $$