NWS Marine Forecast



 Hazardous marine condition(s):
 Short Term Forecast
   GMZ005-030200-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  951 AM EDT Wed Sep 2 2026      .SYNOPSIS...  The western periphery of an Atlantic high remains in control of  the Keys for the next several days. Therefore, expect continued  peaking and lulling breezes. The direction will also vary over  the next few days with east to southeasterly breezes overnight and  in the morning, becoming northeast to east breezes late afternoon  and evening. In addition, the overall flow will keep deep  moisture in place across the region with daily chances of showers  and thunderstorms. Locally hazardous winds and seas are expected  in the vicinity of thunderstorm activity.    The Approximate Shoreward Edge of the Gulf Stream as of August 26,  2026...    32 NM south of Dry Tortugas Light, on Loggerhead Key  9 NM south-southeast of Cosgrove Shoal Light, off the Marquesas Keys  7 NM south-southeast of Sand Key Light, off Key West  6 NM south-southeast of Looe Key, off Big Pine Key  7 NM south-southeast of Sombrero Key Light, off Marathon  4 NM southeast of Alligator Reef Light, off Islamorada  1 NM west-northwest of Molasses Reef Light, off Key Largo  1 NM east-southeast of Carysfort Reef Light, off Ocean Reef    Gulf Stream Information Courtesy of the Naval Oceanographic  Office.    $$
   GMZ033-034-030200-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  951 AM EDT Wed Sep 2 2026    THIS AFTERNOON  Variable winds near 5 knots. Seas 1 foot or  less. A chance of showers and thunderstorms.  TONIGHT  South to southwest winds near 5 knots. Seas 1 foot or  less. A chance of showers and thunderstorms.  THURSDAY  South to southwest winds near 5 knots. Seas 1 foot or  less. A chance of showers and thunderstorms.  THURSDAY NIGHT  Southeast winds near 5 knots. Seas 1 foot or  less. Showers likely with a chance of thunderstorms.  FRIDAY  East to southeast winds near 5 knots. Seas 1 foot or  less. A chance of showers and thunderstorms.  FRIDAY NIGHT  East winds 5 to 10 knots. Seas 1 foot or less.  Showers and thunderstorms likely.  SATURDAY  East to southeast winds near 5 knots. Seas 1 foot or  less. Showers and thunderstorms likely.  SATURDAY NIGHT  East to southeast winds near 5 knots. Seas  1 foot or less. A chance of showers and thunderstorms.  SUNDAY  Southeast winds near 5 knots. Seas 1 foot or less. A  chance of showers and thunderstorms.  SUNDAY NIGHT  East winds near 5 knots, becoming southeast. Seas  1 foot or less. A chance of showers and thunderstorms.    $$