NWS Marine Forecast



 Hazardous marine condition(s):
 Short Term Forecast
 Hazardous Weather Outlook
   GMZ005-150845-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1032 PM EDT Sat Sep 14 2024      .SYNOPSIS...Light, and at times, variable breezes will continue  through Thursday across the Florida Keys coastal waters. An upper  level trough will amplify and slowly slide southward towards the  Florida Peninsula next week. This will likely bring elevated rain  and thunder chances back to the Keys, although confidence in the  extended forecast is quite low.    The Approximate Shoreward Edge of the Gulf Stream as  of September 10...    47 NM South of Dry Tortugas Light...on Loggerhead Key.  27 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  22 NM South of Sand Key Light...off Key West.  19 NM South of Looe Key...off Big Pine Key.  18 NM South of Sombrero Key Light...off Marathon.  10 NM Southeast of Alligator Reef Light...off Islamorada.  6 NM Southeast of Molasses Reef Light...off Key Largo.  4 NM East of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the Naval Oceanographic  Office.    $$
   GMZ052>055-072>075-150845-  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-  1032 PM EDT Sat Sep 14 2024    OVERNIGHT  Variable winds near 5 knots, becoming south to  southwest. Seas around 1 foot. Wave Detail: Northeast to east 1  foot at 3 seconds and west 1 foot at 6 seconds. Isolated showers  and thunderstorms.  SUNDAY  Southwest to west winds near 5 knots, becoming  variable. Seas around 1 foot. Wave Detail: East 1 foot at 3  seconds. Scattered showers and isolated thunderstorms.  SUNDAY NIGHT  Variable winds near 5 knots, becoming south to  southwest. Seas around 1 foot, except building to 1 to 3 feet off  the Upper Keys due to northerly swell. Scattered showers and  isolated thunderstorms.  MONDAY  South to southwest winds near 5 knots, becoming  variable. Seas around 1 foot, except 1 to 3 feet off the Upper  Keys due to northerly swell. Scattered showers and isolated  thunderstorms.  MONDAY NIGHT  Variable winds near 5 knots, becoming east to  southeast. Seas around 1 foot, except 1 to 3 feet off the Upper  Keys due to northerly swell. Scattered showers and isolated  thunderstorms.  TUESDAY  East to southeast winds near 5 knots. Seas around 1  foot, except 1 to 3 feet off the Upper Keys due to northerly  swell. Scattered showers and isolated thunderstorms.  TUESDAY NIGHT  East to southeast winds 5 to 10 knots. Seas 1  to 2 feet, except 2 to 3 feet off the Upper Keys due to northerly  swell. Scattered showers and isolated thunderstorms.  WEDNESDAY  East winds near 5 knots. Seas subsiding to around 1  foot. Scattered showers and isolated thunderstorms.  WEDNESDAY NIGHT  East to southeast winds 5 to 10 knots, becoming  variable near 5 knots. Seas around 1 foot. Scattered showers and  isolated thunderstorms.  THURSDAY  Northwest to north winds 5 to 10 knots, becoming  north to northeast and decreasing to near 5 knots. Seas 1 to 2  feet. Scattered showers and isolated thunderstorms.  THURSDAY NIGHT  Variable winds near 5 knots, becoming southwest  to west. Seas around 1 foot. Scattered showers and isolated  thunderstorms.    $$