NWS Marine Forecast


   GMZ005-090230-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1017 AM EDT Wed Jul 8 2026      .SYNOPSIS...  Winds will trend upwards over the next couple of days as the  Atlantic ridge across Central Florida strengthens. Light to gentle  breezes will become moderate to fresh by tonight. Winds will tend  to peak in the evenings and lull slightly during the day. At  least marine cautions will be required to most Keys waters over  the next few days. Breezes are expected to ease back gradually  through the weekend. Shower and thunder chances will be slight or  less over the next few days, but trend sharply upwards late in the  week as a weak low level trough pushes westward across our area.    The Approximate Shoreward Edge of the Gulf Stream as of July 5...    51 NM Southeast of Dry Tortugas Light...on Loggerhead Key.  15 NM Southeast of Cosgrove Shoal Light...off the Marquesas Keys.  6 NM South of Sand Key Light...off Key West.  6 NM South of Looe Key...off Big Pine Key.  6 NM Southeast of Sombrero Key Light...off Marathon.  7 NM Southeast of Alligator Reef Light...off Islamorada.  6 NM Southeast of Molasses Reef Light...off Key Largo.  4 NM Southeast of Carysfort Reef Light...off Ocean Reef.    Gulf Stream Information Courtesy of the National Weather Service in  Key West, using data from RTOFS and NASA SPoRT SST.    $$
   GMZ033-034-090230-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  1017 AM EDT Wed Jul 8 2026    THIS AFTERNOON  East to southeast winds 10 to 15 knots. Seas 1  to 2 feet. Wave Detail: East to southeast 2 feet at 3 seconds. A  slight chance of showers and thunderstorms.  TONIGHT  East to southeast winds increasing to near 15 knots.  Seas building to 2 to 4 feet, occasionally to 5 feet. Wave  Detail: East to southeast 3 feet at 4 seconds.  THURSDAY  East to southeast winds near 15 knots, decreasing to  10 to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. Wave  Detail: East to southeast 3 feet at 4 seconds.  THURSDAY NIGHT  East to southeast winds 15 to 20 knots. Seas  2 to 4 feet, occasionally to 5 feet. A chance of showers and  thunderstorms.  FRIDAY  East to southeast winds near 15 knots, decreasing to 10  to 15 knots. Seas 2 to 4 feet, occasionally to 5 feet. A chance  of showers and thunderstorms.  FRIDAY NIGHT  East to southeast winds 15 to 20 knots, decreasing  to 10 to 15 knots. Seas 2 to 4 feet, subsiding to 2 to 3 feet. A  chance of showers and thunderstorms.  SATURDAY  Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A  slight chance of showers and thunderstorms.  SATURDAY NIGHT  East to southeast winds near 10 knots. Seas  1 to 2 feet.  SUNDAY  East to southeast winds decreasing to 5 to 10 knots.  Seas 1 to 2 feet.  SUNDAY NIGHT  East to southeast winds 5 to 10 knots. Seas  around 1 foot.    $$