NWS Marine Forecast


   GMZ005-170930-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  426 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.    $$
   GMZ033-034-170930-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  426 PM EST Sun Nov 16 2025    TONIGHT  North to northeast winds near 5 knots. Seas 1 foot or  less.  MONDAY  Northeast to east winds near 5 knots. Seas 1 foot or  less.  MONDAY NIGHT  Northeast winds 5 to 10 knots, increasing to near  10 knots. Seas 1 foot or less, building to around 1 foot.  TUESDAY  Northeast to east winds 10 to 15 knots. Seas 1 to  2 feet.  TUESDAY NIGHT  Northeast to east winds 10 to 15 knots. Seas  1 to 2 feet.  WEDNESDAY  Northeast to east winds 10 to 15 knots. Seas 1 to  3 feet.  WEDNESDAY NIGHT  East winds 10 to 15 knots, increasing to 15 to  20 knots. Seas 1 to 3 feet, building to 2 to 4 feet, occasionally  to 5 feet.  THURSDAY  East winds 15 to 20 knots. Seas 2 to 4 feet,  occasionally to 5 feet.  THURSDAY NIGHT  East winds 15 to 20 knots. Seas 3 to 5 feet,  occasionally to 6 feet.  FRIDAY AND FRIDAY NIGHT  East winds near 15 knots. Seas 2 to 4  feet, occasionally to 5 feet.    $$