NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   GMZ005-010245-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1035 AM EDT Mon Jun 30 2025      .SYNOPSIS...Broad low-level ridging will continue to rebuild over  the North Atlantic and support gentle to moderate east to  southeasterly breezes across Florida Keys coastal waters, veering  to the southeast to south and modestly slackening throughout the  week. An upper- level low east of the Bahamas will slide slowly  northwestward towards the Florida east coast early this week,  supporting slightly enhanced rain and thunder chances. Rain  chances briefly taper back mid-week before increasing again late  this week due to a new weather disturbance sliding into the  Southeast US.    The Approximate Shoreward Edge of the Gulf Stream as of June 29...    14 NM Southwest of Dry Tortugas Light...on Loggerhead Key.  15 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  18 NM South of Sand Key Light...off Key West.  26 NM South of Looe Key...off Big Pine Key.  31 NM South of Sombrero Key Light...off Marathon.  18 NM Southeast of Alligator Reef Light...off Islamorada.  9 NM Southeast of Molasses Reef Light...off Key Largo.  3 NM East 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.    $$
   GMZ042>044-010245-  Hawk Channel from Ocean Reef to Craig Key out to the reef-  Hawk Channel from Craig Key to west end of Seven Mile Bridge out  to the reef-  Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal  out to the reef-  1035 AM EDT Mon Jun 30 2025    THIS AFTERNOON  East to southeast winds near 15 knots,  decreasing to 10 to 15 knots. Seas 2 to 3 feet. Nearshore waters  a moderate chop, becoming a light to moderate chop. Scattered  showers and isolated thunderstorms.  TONIGHT  East to southeast winds 10 to 15 knots. Seas around 2  feet. Nearshore waters a light to moderate chop. Scattered showers  and isolated thunderstorms.  TUESDAY  East to southeast winds near 10 knots, becoming  southeast 5 to 10 knots in the afternoon. Seas 1 to 2 feet.  Nearshore waters a light chop, becoming smooth to a light chop.  Isolated showers and thunderstorms.  TUESDAY NIGHT  East to southeast winds 5 to 10 knots, increasing  to near 10 knots. Seas 1 to 2 feet. Nearshore waters smooth to a  light chop, becoming a light chop. Isolated showers and  thunderstorms.  WEDNESDAY  Southeast winds 10 to 15 knots. Seas 1 to 3 feet.  Nearshore waters a light to moderate chop. Isolated showers and  thunderstorms.  WEDNESDAY NIGHT  Southeast winds near 10 knots. Seas 1 to 2  feet. Nearshore waters a light chop. Isolated showers and  thunderstorms.  THURSDAY  Southeast to south winds near 10 knots. Seas 1 to 2  feet. Nearshore waters smooth to a light chop. Isolated showers  and thunderstorms.  THURSDAY NIGHT  Southeast winds near 10 knots. Seas 1 to  2 feet. Nearshore waters a light chop. Isolated showers and  thunderstorms.  FRIDAY  Southeast to south winds decreasing to 5 to 10 knots.  Seas 1 to 2 feet. Nearshore waters becoming smooth to a light  chop. Scattered showers and isolated thunderstorms.  FRIDAY NIGHT  Winds becoming southeast near 10 knots. Seas 1 to  2 feet. Nearshore waters becoming a light chop. Scattered showers  and thunderstorms.    $$