NWS Marine Forecast


   GMZ005-070830-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  421 PM 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.    $$
   GMZ042>044-070830-  Hawk Channel from Ocean Reef to Craig Key out to the reef-  Hawk Channel from Craig Key to west end of Seven Mile Bridge out  to the reef-  Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal  out to the reef-  421 PM EDT Mon Oct 6 2025    TONIGHT  Variable winds near 5 knots, becoming northeast 5 to  10 knots. Seas 1 foot or less. Nearshore waters smooth, becoming  smooth to a light chop. Scattered showers and isolated  thunderstorms.  TUESDAY  Northeast to east winds 5 to 10 knots, increasing to  near 10 knots. Seas around 1 foot. Nearshore waters smooth to a  light chop, becoming a light chop. Numerous showers and isolated  thunderstorms.  TUESDAY NIGHT  Northeast to east winds near 10 knots, increasing  to 10 to 15 knots. Seas around 1 foot, building to 1 to 2 feet.  Nearshore waters a light chop, becoming a light to moderate chop.  Scattered showers and isolated thunderstorms.  WEDNESDAY  East winds decreasing to near 10 knots. Seas  subsiding to around 1 foot. Nearshore waters becoming a light  chop. Scattered showers and isolated thunderstorms.  WEDNESDAY NIGHT  East winds near 10 knots. Seas around 1 foot.  Nearshore waters a light chop. Scattered showers and isolated  thunderstorms.  THURSDAY  East winds near 10 knots. Seas around 1 foot.  Nearshore waters a light chop. Scattered showers and isolated  thunderstorms.  THURSDAY NIGHT  East to southeast winds 5 to 10 knots. Seas  around 1 foot. Nearshore waters smooth to a light chop. Scattered  showers and isolated thunderstorms.  FRIDAY  Southeast to south winds 5 to 10 knots, becoming east.  Seas around 1 foot. Nearshore waters smooth to a light chop.  Scattered showers and isolated thunderstorms.  FRIDAY NIGHT  North to northeast winds 5 to 10 knots. Seas  around 1 foot. Nearshore waters smooth to a light chop. Scattered  showers and isolated thunderstorms.  SATURDAY AND SATURDAY NIGHT  North to northeast winds 5 to 10  knots. Seas 1 to 2 feet. Nearshore waters smooth to a light chop.  Scattered showers and isolated thunderstorms.    $$