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   GMZ005-250930-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1025 PM EST Sat Feb 24 2018    SYNOPSIS  High surface pressure situated from the Western Atlantic  to across Northern Florida will gradually slide southward through  Sunday night, before retreating eastward Monday and Monday night.  A weak ridge just north of the Keys will remain in place Tuesday  through late this week.    The Approximate Shoreward Edge of the Gulf Stream as of  February 24, 2018...    46 NM South of Dry Tortugas Light...on Loggerhead Key.  8 NM South of Cosgrove Shoal the Marquesas Keys.  5 NM South of Sand Key Key West.  Less than 1 NM South of Looe Big Pine Key.  Less than 1 NM South of Sombrero Key Marathon.  11 NM Southeast of Alligator Reef Islamorada.  10 NM Southeast of Molasses Reef Key Largo.  4 NM East of Carysfort Reef Ocean Reef.    Gulf Stream Information Courtesy of the Naval Oceanographic  Office.      $$

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