GMZ005-120330-
 Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
 1029 AM EST Thu Dec 11 2025
 
 
 .SYNOPSIS...As high pressure drifts eastward over the next
 several days and eventually into the western North Atlantic, winds
 will clock around to the north to northeast, then eventually
 northeast to east. The next frontal boundary is progged to push
 through the Florida Keys marine zones on Sunday night, with fresh
 to strong northeasterly breezes expected in the wake of the
 frontal passage for early next week.
 
 The Approximate Shoreward Edge of the Gulf Stream as of December 8...
 
 15 NM South of Dry Tortugas Light...on Loggerhead Key.
 13 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 14 NM South of Sand Key Light...off Key West.
 18 NM South of Looe Key...off Big Pine Key.
 23 NM Southeast of Sombrero Key Light...off Marathon.
 18 NM Southeast of Alligator Reef Light...off Islamorada.
 12 NM Southeast of Molasses Reef Light...off Key Largo.
 8 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.
 
 $$




 
 GMZ052>055-072>075-120330-
 Straits of Florida from Ocean Reef to Craig Key out 20 NM-
 Straits of Florida from Craig Key to west end of Seven Mile
 Bridge out 20 NM-
 Straits of Florida from west end of Seven Mile Bridge to south of
 Halfmoon Shoal out 20 NM-
 Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
 Tortugas out 20 NM-
 Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out-
 Straits of Florida from Craig Key to west end of Seven Mile
 Bridge 20 to 60 NM out-
 Straits of Florida from west end of Seven Mile Bridge to south of
 Halfmoon Shoal 20 to 60 NM out-
 Straits of Florida from Halfmoon Shoal to 20 NM west of Dry
 Tortugas 20 to 60 NM out-
 1029 AM EST Thu Dec 11 2025
 

 THIS AFTERNOON
 North winds 10 to 15 knots. Seas 2 to 3 feet.
 Wave Detail: North to northeast 2 feet at 5 seconds.

 TONIGHT
 Northeast winds near 10 knots. Seas 2 to 3 feet. Wave
 Detail: North 2 feet at 6 seconds and northeast 1 foot at 3
 seconds.

 FRIDAY
 East winds 10 to 15 knots. Seas 2 to 3 feet. Wave
 Detail: Northeast to east 2 feet at 5 seconds and northwest 2
 feet at 6 seconds.

 FRIDAY NIGHT
 East winds 10 to 15 knots. Seas 2 to 3 feet.
 Isolated showers.

 SATURDAY
 East winds 10 to 15 knots. Seas 2 to 3 feet.
 Scattered showers.

 SATURDAY NIGHT
 East winds 10 to 15 knots. Seas 2 to 3 feet.
 Scattered showers.

 SUNDAY
 Northeast winds 10 to 15 knots. Seas 2 to 4 feet,
 occasionally to 5 feet. Scattered showers.

 SUNDAY NIGHT
 Northeast winds 10 to 15 knots, increasing to
 15 to 20 knots. Seas building to 4 to 5 feet, occasionally to 6
 feet. Isolated showers.

 MONDAY
 Northeast winds near 20 knots. Seas building to 5 to 7
 feet, occasionally to 9 feet. Isolated showers.

 MONDAY NIGHT
 Northeast winds near 20 knots. Seas 5 to 7 feet,
 occasionally to 9 feet. Isolated showers.
 
 $$