GMZ005-131545-
 Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
 1042 PM EST Fri Dec 12 2025
 
 
 .SYNOPSIS...High pressure drifting eastward into the western
 North Atlantic will result in gentle to moderate, occasionally
 fresh, northeast to east breezes overnight. The next frontal
 boundary is progged to push through the Florida Keys marine zones
 on Sunday night. Ahead of the front, elevated chances for showers
 and thunderstorms will be possible late Saturday through early
 Sunday. In the wake of the frontal passage, fresh to strong
 northeasterly breezes are expected Sunday night through at least
 Tuesday.
 
 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.
 
 $$




 
 GMZ052-053-072-073-131545-
 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 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-
 1042 PM EST Fri Dec 12 2025
 

 OVERNIGHT
 East winds near 15 knots. Seas 2 to 3 feet, building
 to around 3 feet. Wave Detail: Northeast to east 3 feet at 4
 seconds. Isolated showers.

 SATURDAY
 East winds 10 to 15 knots, increasing to near 15 knots.
 Seas around 3 feet. Wave Detail: East 3 feet at 5 seconds and
 northwest 1 foot at 5 seconds. Scattered showers and isolated
 thunderstorms.

 SATURDAY NIGHT
 Northeast to east winds near 15 knots,
 decreasing to 10 to 15 knots. Seas 2 to 4 feet, occasionally to 5
 feet. Wave Detail: East 3 feet at 5 seconds. Widespread showers
 and scattered thunderstorms.

 SUNDAY
 North to northeast winds 5 to 10 knots, becoming north
 and increasing to 10 to 15 knots. Seas 2 to 3 feet. Scattered
 showers and isolated thunderstorms.

 SUNDAY NIGHT
 North to northeast winds 10 to 15 knots,
 increasing to near 20 knots. Seas 2 to 3 feet, building to 3 to 5
 feet, occasionally to 6 feet. Scattered showers.

 MONDAY
 Northeast winds near 20 knots. Seas 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.

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

 TUESDAY NIGHT
 Northeast to east winds 15 to 20 knots. Seas
 4 to 6 feet, occasionally to 8 feet. Isolated showers.

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

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