NWS Marine Forecast



 Hazardous marine condition(s):
 Hazardous Weather Outlook
   GMZ005-202015-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  414 AM EDT Fri Jun 20 2025      .SYNOPSIS...Atlantic ridging across the Florida Peninsula  will continue to gradually weaken, resulting in relaxed breezes.  The Atlantic ridging will consolidate off the southeast coast over  the weekend and early next week, and moderate to occasionally  fresh breezes may result in a narrow window of Small Craft Should  Exercise Caution headlines as early as Monday night.    The Approximate Shoreward Edge of the Gulf Stream as of June 13...    18 NM Southwest of Dry Tortugas Light...on Loggerhead Key.  36 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  33 NM South of Sand Key Light...off Key West.  39 NM South of Looe Key...off Big Pine Key.  25 NM South of Sombrero Key Light...off Marathon.  11 NM Southeast of Alligator Reef Light...off Islamorada.  5 NM Southeast of Molasses Reef Light...off Key Largo.  5 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.    $$
   GMZ032-035-202015-  Bayside and Gulfside from Craig Key to west end of Seven Mile  Bridge-  Gulf of America from west end of Seven Mile Bridge to Halfmoon  Shoal out to 5 Fathoms-  414 AM EDT Fri Jun 20 2025    TODAY  East to southeast winds 5 to 10 knots, increasing to near  10 knots. Seas 1 foot or less, building to around 1 foot. Nearshore  waters smooth to a light chop, becoming a light chop. Scattered  showers and isolated thunderstorms.  TONIGHT  East to southeast winds near 10 knots. Seas around 1  foot. Nearshore waters a light chop. Scattered showers and  isolated thunderstorms.  SATURDAY  East to southeast winds near 10 knots. Seas around  1 foot. Nearshore waters a light chop. Scattered showers and  isolated thunderstorms.  SATURDAY NIGHT  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.  SUNDAY  East winds 10 to 15 knots. Seas 1 to 2 feet. Nearshore  waters a light to moderate chop. Scattered showers and isolated  thunderstorms.  SUNDAY NIGHT  East winds near 15 knots. Seas 1 to 2 feet.  Nearshore waters a moderate chop. Scattered showers and isolated  thunderstorms.  MONDAY  East winds near 15 knots, increasing to 15 to 20 knots.  Seas 1 to 2 feet, building to around 2 feet. Nearshore waters a  moderate chop, becoming choppy. Scattered showers and isolated  thunderstorms.  MONDAY NIGHT  East winds 15 to 20 knots, decreasing to near 15  knots. Seas around 2 feet, subsiding to 1 to 2 feet. Nearshore  waters choppy, becoming a moderate chop. Scattered showers and  isolated thunderstorms.  TUESDAY  East winds near 15 knots, decreasing to 10 to 15 knots.  Seas 1 to 2 feet. Nearshore waters a moderate chop, becoming a  light to moderate chop. Scattered showers and isolated  thunderstorms.  TUESDAY NIGHT  East winds 10 to 15 knots. Seas 1 to 2 feet.  Nearshore waters a light to moderate chop. Scattered showers and  isolated thunderstorms.    $$