NWS Marine Forecast



 Hazardous marine condition(s):
 Short Term Forecast
   GMZ005-070230-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1029 AM EDT Mon Oct 6 2025      .SYNOPSIS...A combination of a stationary frontal boundary and a  weak area of low pressure still situated near the Bahamas will  make for a messy weather pattern through the next several days.  This will maintain above normal rain chances through the entire  forecast period. In addition, it will keeps winds fluctuating  between northeast and southeast at times. At this time, the  strongest breezes look to stay north of our waters but will be  watching for updates.    The Approximate Shoreward Edge of the Gulf Stream as of October  01...    42 NM South of Dry Tortugas Light...on Loggerhead Key.  33 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  33 NM South of Sand Key Light...off Key West.  35 NM South of Looe Key...off Big Pine Key.  16 NM Southeast 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.  5 NM Southeast of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the National Weather Service in  Key West based on products from NASA SPoRT.    $$
   GMZ052>055-072>075-070230-  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-  1029 AM EDT Mon Oct 6 2025    THIS AFTERNOON  Northeast winds near 5 knots. Seas 1 to 2 feet.  Wave Detail: Northeast to east 1 foot at 5 seconds. Scattered  showers and isolated thunderstorms.  TONIGHT  Northeast to east winds near 5 knots, increasing to 5  to 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast 1 foot at 4  seconds. Scattered showers and isolated thunderstorms.  TUESDAY  Northeast to east winds 5 to 10 knots, increasing to  near 10 knots. Seas 1 to 2 feet. Wave Detail: Northeast to east 2  feet at 4 seconds. Scattered showers and isolated thunderstorms.  TUESDAY NIGHT  Northeast to east winds near 10 knots. Seas  around 2 feet. Scattered showers and isolated thunderstorms.  WEDNESDAY  East winds near 10 knots. Seas around 2 feet.  Scattered showers and isolated thunderstorms.  WEDNESDAY NIGHT  East winds near 10 knots. Seas around 2 feet.  Scattered showers and isolated thunderstorms.  THURSDAY  East winds near 10 knots. Seas 1 to 2 feet. Numerous  showers and isolated thunderstorms.  THURSDAY NIGHT  East to southeast winds 5 to 10 knots. Seas  1 to 2 feet. Numerous showers and isolated thunderstorms.  FRIDAY  South winds 5 to 10 knots, becoming variable. Seas  around 1 foot. Numerous showers and isolated thunderstorms.  FRIDAY NIGHT  Variable winds 5 to 10 knots. Seas around 1 foot.  Scattered showers and isolated thunderstorms.    $$