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 Hazardous marine condition(s):
 Short Term Forecast
 Small Craft Advisory
 Hazardous Weather Outlook
   GMZ005-210830-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1011 PM EDT Fri Oct 20 2017      .SYNOPSIS...A large area of high pressure over the Mid-Atlantic  United States will move to the northeast overnight. This area of  high pressure will enter the northwest Atlantic Ocean Saturday. An  Atlantic ridge of high pressure will extend across the  southeastern United States Saturday night through Monday night,  before retreating eastward Tuesday. A cold front may pass through  the Florida Keys Tuesday night or Wednesday.    The Approximate Shoreward Edge of the Gulf Stream current, as of  October 19th, 2017,    4 NM South of Dry Tortugas Light...on Loggerhead Key.  9 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  6 NM South of Sand Key Light...off Key West.  Less than 1 NM South of Looe Key...off Big Pine Key.  3 NM South of Sombrero Key Light...off Marathon.  1 NM Southeast of Alligator Reef Light...off Islamorada.  2 NM Southeast of Molasses Reef Light...off Key Largo.  3 NM East of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the Naval Oceanographic  Office.    $$
   GMZ052>055-072>075-210830-  Straits of Florida from Ocean Reef to Craig Key out 20 NM-  Straits of Florida from Craig Key to west end of Seven Mile  Bridge out 20 NM-  Straits of Florida from west end of Seven Mile Bridge to south of  Halfmoon Shoal out 20 NM-  Straits of Florida from Halfmoon Shoal to 20 NM west of Dry  Tortugas out 20 NM-  Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-  Straits of Florida from Craig Key to west end of Seven Mile  Bridge 20 to 60 NM out-  Straits of Florida from west end of Seven Mile Bridge to south of  Halfmoon Shoal 20 to 60 NM out-  Straits of Florida from Halfmoon Shoal to 20 NM west of Dry  Tortugas 20 to 60 NM out-  1011 PM EDT Fri Oct 20 2017    SMALL CRAFT ADVISORY IN EFFECT    OVERNIGHT  Northeast to east winds 20 to 25 knots. Seas 6 to 8  feet. Scattered showers.  SATURDAY AND SATURDAY NIGHT  East winds 20 to 25 knots. Seas 6  to 8 feet. Scattered showers and isolated thunderstorms.  SUNDAY  East to southeast winds near 20 knots. Seas 5 to 7  feet. Scattered showers and isolated thunderstorms.  SUNDAY NIGHT  Southeast winds 15 to 20 knots. Seas 4 to 6 feet.  Scattered showers and isolated thunderstorms.  MONDAY  Southeast to south winds near 15 knots. Seas 3 to 5  feet. Scattered showers and isolated thunderstorms.  MONDAY NIGHT  South winds 10 to 15 knots. Seas 2 to 4 feet.  Scattered showers and isolated thunderstorms.  TUESDAY  South to southwest winds 10 to 15 knots, becoming west  in the afternoon. Seas 2 to 4 feet. Scattered showers and isolated  thunderstorms.  TUESDAY NIGHT  West to northwest winds 10 to 15 knots, becoming  northwest after midnight. Seas 2 to 4 feet. Scattered showers and  isolated thunderstorms.  WEDNESDAY  Northwest winds 10 to 15 knots, becoming north and  increasing to near 20 knots by noon. Seas 2 to 4 feet, building to  4 to 7 feet. Scattered showers and isolated thunderstorms.  WEDNESDAY NIGHT  North winds near 20 knots. Seas 5 to 7 feet.  Isolated showers.    $$

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