NWS Marine Forecast


   GMZ005-260330-  Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas  1025 AM EST Wed Feb 25 2026      .SYNOPSIS...  An Atlantic ridge reaching westward across the Florida Peninsula  will pull further eastward and away from our area over the next  couple of days. As a result, breezes will gradually shift further  east and south of east. Winds will vary quite a bit due to an  ongoing land breeze and cold nearshore water temperatures. The  western flank of the ridge will lift northward this afternoon into  tonight and will generally help to freshen breezes as they shift  east southeasterly. Cautions may be required for the Florida  Straits tonight. Nearshore waters will likely remain a notch or  two lower due to still cool waters. Thereafter, winds will be  light to gentle northeast to easterly due to the general higher  pressure over the eastern United States and lower pressure to our  south.    The Approximate Shoreward Edge of the Gulf Stream as of February  17...    7 NM South of Dry Tortugas Light...on Loggerhead Key.  3 NM South of Cosgrove Shoal Light...off the Marquesas Keys.  2 NM South of Sand Key Light...off Key West.  7 NM South of Looe Key...off Big Pine Key.  11 NM Southeast of Sombrero Key Light...off Marathon.  14 NM Southeast of Alligator Reef Light...off Islamorada.  7 NM Southeast of Molasses Reef Light...off Key Largo.  3 NM Southeast 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 and RTOFS.    $$
   GMZ033-034-260330-  Gulf of America from East Cape Sable to Chokoloskee 20 to 60 NM  out and beyond 5 fathoms-  Gulf of America including Dry Tortugas and Rebecca Shoal Channel-  1025 AM EST Wed Feb 25 2026    THIS AFTERNOON  East to southeast winds 5 to 10 knots, becoming  northeast to east. Seas around 2 feet. Wave Detail:  Northwest 2 feet at 6 seconds.  TONIGHT  East to southeast winds near 10 knots, increasing to 10  to 15 knots. Seas 1 to 2 feet, building to 2 to 3 feet. Wave  Detail: East to southeast 2 feet at 3 seconds and northwest 2  feet at 6 seconds.  THURSDAY  Southeast winds 10 to 15 knots, decreasing to 5 to 10  knots. Seas 2 to 3 feet, subsiding to 1 to 2 feet. Wave Detail:  Southeast 2 feet at 3 seconds and west to northwest 1 foot at 5  seconds. Isolated showers.  THURSDAY NIGHT  East to southeast winds increasing to near 10  knots. Seas 1 to 2 feet. Isolated showers.  FRIDAY  Southeast winds 5 to 10 knots. Seas 1 to 2 feet.  Isolated showers.  FRIDAY NIGHT  Southeast winds 5 to 10 knots. Seas 1 to 2 feet.  Isolated showers.  SATURDAY  East winds 5 to 10 knots. Seas around 1 foot.  Isolated showers.  SATURDAY NIGHT  Northeast to east winds increasing to near 10  knots. Seas around 1 foot. Isolated showers.  SUNDAY  Northeast winds 5 to 10 knots. Seas 1 to 2 feet.  Isolated showers.  SUNDAY NIGHT  Northeast to east winds 10 to 15 knots. Seas 1 to  2 feet. Isolated showers.    $$