NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   GMZ005-161445-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  443 AM EDT Mon Sep 16 2024      .SYNOPSIS...Light and generally variable breezes will continue  through Friday over the Florida Keys coastal waters. A developing  low pressure system off the Carolina coast will generate a higher  northerly swell off the Upper Keys for Tuesday and Wednesday. The  low will deepen into an upper level trough and slowly slide south  towards the Florida Peninsula by Friday. Unpredictability in the  movement of this trough means confidence in the extended forecast  is very 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>075-161445-  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-  443 AM EDT Mon Sep 16 2024    TODAY  South to southwest winds near 5 knots, becoming variable.  Seas around 1 foot. Scattered showers and isolated thunderstorms.  TONIGHT  Variable winds near 5 knots, becoming southeast. Seas  around 1 foot, except building to 1 to 2 feet off the Upper Keys  due to northerly swell. Scattered showers and isolated  thunderstorms.  TUESDAY  East to southeast winds near 5 knots, becoming  northeast to east in the afternoon. Seas around 1 foot, except 1  to 2 feet off the Upper Keys due to northerly swell. Wave Detail:  East 1 foot at 3 seconds. Numerous showers and scattered  thunderstorms.  TUESDAY NIGHT  Northeast to east winds 5 to 10 knots, becoming  east to southeast. Seas 1 to 2 feet. Scattered showers and  thunderstorms.  WEDNESDAY  Southeast winds near 5 knots, becoming variable.  Seas subsiding to around 1 foot. Scattered showers and  thunderstorms.  WEDNESDAY NIGHT  Variable winds near 5 knots. Seas around 1  foot. Scattered showers and thunderstorms.  THURSDAY  North winds near 5 knots. Seas around 1 foot.  Scattered showers and isolated thunderstorms.  THURSDAY NIGHT  North to northeast winds near 5 knots. Seas  around 1 foot. Scattered showers and isolated thunderstorms.  FRIDAY  Northwest to north winds near 5 knots. Seas around  1 foot. Scattered showers and isolated thunderstorms.  FRIDAY NIGHT  North to northeast winds near 5 knots, becoming  variable. Seas around 1 foot. Scattered showers and isolated  thunderstorms.    $$