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 Hazardous marine condition(s):
 Small Craft Advisory
   GMZ005-212130-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1039 AM EST Tue Jan 21 2020      .SYNOPSIS...A strong high pressure center will descend into the  eastern United States this afternoon, maintaining strong north  breezes over the Keys waters. Late this afternoon through early  Wednesday, north breezes will freshen further on the back side of  low pressure system that will rapidly develop northeast of the  northern Bahamas. Low pressure will exit east of Bermuda Wednesday  night or Thursday. High pressure will then move from the Ohio  Valley on Wednesday to the U.S. eastern Seaboard Thursday through  Friday. A cold front will slip into the northeast Gulf on Friday  night or Saturday.    The Approximate Shoreward Edge of the Gulf Stream as of  January 20...    9 NM South of Dry Tortugas Light...on Loggerhead Key.  2 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  Less than 1 NM South of Sand Key Light...off Key West.  2 NM South of Looe Key...off Big Pine Key.  3 NM South of Sombrero Key Light...off Marathon.  2 NM Southeast of Alligator Reef Light...off Islamorada.  Less than 1 NM Southeast of Molasses Reef Light...off Key Largo.  Less than 1 NM East of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the Naval Oceanographic Office.    $$
   GMZ054-055-074-075-212130-  Straits of Florida from west end of Seven Mile Bridge to south of  Halfmoon Shoal out 20 NM-  Straits of Florida from Halfmoon Shoal to 20 NM west of Dry  Tortugas out 20 NM-  Straits of Florida from west end of Seven Mile Bridge to south of  Halfmoon Shoal 20 to 60 NM out-  Straits of Florida from Halfmoon Shoal to 20 NM west of Dry  Tortugas 20 to 60 NM out-  1039 AM EST Tue Jan 21 2020    SMALL CRAFT ADVISORY IN EFFECT    THIS AFTERNOON  Northwest to north winds near 20 knots,  increasing to 20 to 25 knots. Seas 6 to 10 feet.  TONIGHT  North winds increasing to near 25 knots. Seas building  to 8 to 12 feet.  WEDNESDAY  North winds near 25 knots, decreasing to 15 to 20  knots. Seas 7 to 11 feet, subsiding to 5 to 9 feet.  WEDNESDAY NIGHT  Northeast winds near 20 knots, decreasing to  near 15 knots. Seas subsiding to 4 to 6 feet.  THURSDAY  Northeast to east winds near 15 knots. Seas 3 to 5  feet. Isolated showers.  THURSDAY NIGHT  East winds decreasing to 10 to 15 knots. Seas  subsiding to 2 to 4 feet. Scattered showers.  FRIDAY  South winds 5 to 10 knots, becoming variable. Seas 2 to  3 feet. Scattered showers.  FRIDAY NIGHT  Northwest to north winds 5 to 10 knots. Seas 1 to  2 feet. Scattered showers.  SATURDAY  North winds increasing to near 15 knots. Seas building  to 2 to 4 feet. Isolated showers.  SATURDAY NIGHT  North to northeast winds near 15 knots. Seas  building to 3 to 6 feet. Isolated showers.    $$

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