GMZ005-140930-
 Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
 428 PM EST Sat Dec 13 2025
 
 
 .SYNOPSIS...Gentle to moderate breezes will gradually slacken
 through the overnight ahead of the next frontal passage. The next
 front is progged to push through the Florida Keys marine zones
 Sunday evening. Ahead of the front, elevated chances for showers
 and thunderstorms will be possible tonight through early Sunday.
 In the wake of the frontal passage, fresh to strong northeasterly
 breezes are expected Sunday night through at least Tuesday.
 Breezes slacken starting Wednesday but will remain gentle to
 moderate at times.
 
 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>075-140930-
 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-
 428 PM EST Sat Dec 13 2025
 
 SMALL CRAFT SHOULD EXERCISE CAUTION UNTIL WINDS DECREASE
 

 TONIGHT
 East to southeast winds 15 to 20 knots, becoming
 northeast to east 10 to 15 knots after midnight. Seas 3 to 5
 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6
 seconds. Winds and seas higher in and around widespread showers
 and scattered thunderstorms.

 SUNDAY
 Northeast to east winds 10 to 15 knots, becoming north
 to northeast in the afternoon. Seas 2 to 4 feet, occasionally to
 5 feet. Wave Detail: Northeast to east 4 feet at 5 seconds.
 Scattered showers and isolated thunderstorms.

 SUNDAY NIGHT
 Northwest to north winds 10 to 15 knots, becoming
 north to northeast near 20 knots. Seas 2 to 4 feet, occasionally
 to 5 feet, building to 4 to 6 feet, occasionally to 7 feet. Wave
 Detail: North to northeast 4 feet at 5 seconds. Scattered
 showers.

 MONDAY
 Northeast winds 20 to 25 knots. Seas 5 to 8 feet,
 occasionally to 10 feet. Scattered showers.

 MONDAY NIGHT
 Northeast winds 20 to 25 knots. Seas 7 to 9 feet,
 occasionally to 11 feet. Scattered showers.

 TUESDAY
 Northeast to east winds 20 to 25 knots. Seas 6 to
 8 feet, occasionally to 10 feet. Isolated showers.

 TUESDAY NIGHT
 Northeast to east winds near 20 knots, decreasing
 to 15 to 20 knots. Seas 6 to 8 feet, occasionally to 10 feet,
 subsiding to 5 to 7 feet, occasionally to 8 feet. Isolated
 showers.

 WEDNESDAY
 East winds 15 to 20 knots. Seas 4 to 6 feet,
 occasionally to 8 feet. Isolated showers.

 WEDNESDAY NIGHT
 East winds 15 to 20 knots, decreasing to near
 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Isolated
 showers.

 THURSDAY
 East winds near 15 knots. Seas 3 to 5 feet,
 occasionally to 6 feet. Isolated showers.

 THURSDAY NIGHT
 East winds 10 to 15 knots. Seas 2 to 4 feet,
 occasionally to 5 feet. Isolated showers.
 
 $$