NWS Marine Forecast


   GMZ005-052030-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  419 AM EDT Sun Oct 5 2025      .SYNOPSIS...A combination of a stationary frontal boundary and a  weak area of low pressure 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 bear 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.    $$
   GMZ042>044-052030-  Hawk Channel from Ocean Reef to Craig Key out to the reef-  Hawk Channel from Craig Key to west end of Seven Mile Bridge out  to the reef-  Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal  out to the reef-  419 AM EDT Sun Oct 5 2025    TODAY  Northeast to east winds near 10 knots early, decreasing  to 5 to 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a  light chop. Scattered showers and isolated thunderstorms.  TONIGHT  Northeast to east winds 5 to 10 knots. Seas subsiding  to around 1 foot. Nearshore waters smooth to a light chop.  Scattered showers and isolated thunderstorms.  MONDAY  Northeast winds near 5 knots. Seas 1 foot or less.  Nearshore waters smooth. Scattered showers and isolated  thunderstorms.  MONDAY NIGHT  Northeast winds 5 to 10 knots, becoming east to  southeast near 10 knots. Seas around 1 foot. Nearshore waters  smooth to a light chop, becoming a light chop. Scattered showers  and isolated thunderstorms.  TUESDAY  East winds near 10 knots. Seas building to 1 to 2  feet. Nearshore waters a light chop. Scattered showers and  isolated thunderstorms.  TUESDAY NIGHT  Northeast to east winds 10 to 15 knots. Seas 1  to 3 feet. Nearshore waters a light to moderate chop. Scattered  showers and isolated thunderstorms.  WEDNESDAY  Northeast to east winds near 10 knots. Seas 1 to 2  feet. Nearshore waters a light chop. Scattered showers and  isolated thunderstorms.  WEDNESDAY NIGHT  Northeast to east winds 10 to 15 knots. Seas  around 2 feet. Nearshore waters a light to moderate chop.  Scattered showers and isolated thunderstorms.  THURSDAY  East winds increasing to near 15 knots. Seas building  to 2 to 3 feet. Nearshore waters becoming a moderate chop.  Scattered showers and isolated thunderstorms.  THURSDAY NIGHT  East winds decreasing to 10 to 15 knots. Seas  around 2 feet. Nearshore waters becoming a light to moderate  chop. Scattered showers and isolated thunderstorms.    $$