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   GMZ005-151530-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  408 AM EST Fri Dec 15 2017      .SYNOPSIS...A weak cold front will move southward down the Florida  peninsula today through Saturday. This cold front will stall over  South Florida Saturday night, before dissipating Sunday. An  Atlantic ridge of high pressure will extend across the  Southeastern United States Sunday night and Monday. This ridge of  high pressure will shift southward Monday night.    The Approximate Shoreward Edge of the Gulf Stream current, as of  December 12th, 2017,    50 NM South of Dry Tortugas Light, on Loggerhead Key.  13 NM South of Cosgrove Shoal Light, off the Marquesas Keys.  21 NM South of Sand Key Light, off Key West.  31 NM South of Looe Key, off Big Pine Key.  36 NM South of Sombrero Key Light, off Marathon.  15 NM Southeast of Alligator Reef Light, off Islamorada.  10 NM Southeast of Molasses Reef Light, off Key Largo.  2 NM East of Carysfort Reef Light, off Ocean Reef.    Gulf Stream Information Courtesy of the Naval Oceanographic Office.    $$
   GMZ052>055-072>075-151530-  Straits of Florida from Ocean Reef to Craig Key out 20 NM-  Straits of Florida from Craig Key to west end of Seven Mile  Bridge out 20 NM-  Straits of Florida from west end of Seven Mile Bridge to south of  Halfmoon Shoal out 20 NM-  Straits of Florida from Halfmoon Shoal to 20 NM west of Dry  Tortugas out 20 NM-  Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-  Straits of Florida from Craig Key to west end of Seven Mile  Bridge 20 to 60 NM out-  Straits of Florida from west end of Seven Mile Bridge to south of  Halfmoon Shoal 20 to 60 NM out-  Straits of Florida from Halfmoon Shoal to 20 NM west of Dry  Tortugas 20 to 60 NM out-  408 AM EST Fri Dec 15 2017    TODAY  Variable winds 5 to 10 knots. Seas 1 to 2 feet.  TONIGHT  Northeast winds near 10 knots. Seas around 2 feet.  SATURDAY  Northeast to east winds 10 to 15 knots, increasing to  15 to 20 knots in the afternoon. Seas 2 to 3 feet, building to 4  to 6 feet. Isolated showers.  SATURDAY NIGHT  Northeast to east winds near 20 knots. Seas 5 to  7 feet. Isolated showers.  SUNDAY  East winds near 20 knots. Seas 5 to 7 feet. Isolated  showers.  SUNDAY NIGHT  East winds near 20 knots. Seas 5 to 7 feet.  Isolated showers.  MONDAY AND MONDAY NIGHT  East winds 15 to 20 knots. Seas 4 to 6  feet. Isolated showers.  TUESDAY  East winds near 15 knots. Seas 3 to 5 feet. Isolated  showers.  TUESDAY NIGHT  Northeast to east winds 10 to 15 knots. Seas 2 to  4 feet. Isolated showers.    $$

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