NWS Marine Forecast


   GMZ005-160245-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1039 AM EDT Mon Jun 15 2026      .SYNOPSIS...Light to gentle breezes will persist through the  middle of the week across the Florida Keys coastal waters.  Starting Tuesday night to Wednesday, the Mid-Atlantic high will  begin to strengthen and support slightly fresher breezes through  the end of the week. Breezes will generally be southerly and trend  southeasterly after Wednesday. Shower and thunder chances are  expected to remain very low through the forecast period. The  greatest chances for showers would be in the nearshore waters off  the Lower and Middle Keys in the late morning and early afternoon  as island cloud lines.    The Approximate Shoreward Edge of the Gulf Stream as of June 15...    28 NM South of Dry Tortugas Light...on Loggerhead Key.  12 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  11 NM South of Sand Key Light...off Key West.  14 NM South of Looe Key...off Big Pine Key.  13 NM Southeast of Sombrero Key Light...off Marathon.  8 NM Southeast of Alligator Reef Light...off Islamorada.  4 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, using data from RTOFS and NASA SPoRT SST.    $$
   GMZ033-034-160245-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  1039 AM EDT Mon Jun 15 2026    THIS AFTERNOON  South to southwest winds near 5 knots. Seas 1  foot or less. Wave Detail: South 1 foot at 2 seconds. A slight  chance of showers and thunderstorms.  TONIGHT  Variable winds near 5 knots, becoming south. Seas 1  foot or less.  TUESDAY  South winds 5 to 10 knots. Seas around 1 foot. Wave  Detail: South 1 foot at 2 seconds. A slight chance of showers and  thunderstorms.  TUESDAY NIGHT  East to southeast winds 5 to 10 knots. Seas  around 1 foot.  WEDNESDAY  Southeast to south winds 5 to 10 knots. Seas around  1 foot. A slight chance of showers and thunderstorms.  WEDNESDAY NIGHT  Southeast to south winds 5 to 10 knots,  increasing to 10 to 15 knots. Seas 1 to 2 feet. A slight chance  of showers and thunderstorms.  THURSDAY  Southeast to south winds near 10 knots. Seas 1 to 2  feet. A slight chance of showers and thunderstorms.  THURSDAY NIGHT  Southeast winds 10 to 15 knots. Seas 1 to 2  feet. A slight chance of showers and thunderstorms.  FRIDAY  Southeast to south winds near 10 knots, decreasing to 5  to 10 knots. Seas 1 to 2 feet. A slight chance of showers and  thunderstorms.  FRIDAY NIGHT  East to southeast winds 5 to 10 knots. Seas  around 1 foot. A slight chance of showers and thunderstorms.    $$