GMZ005-142130-
 Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
 425 AM EST Sun Dec 14 2025
 
 
 .SYNOPSIS...Showers during the early morning will gradually
 diminish today. Generally gentle northeast to east breezes this
 morning will back to the north and freshen as a frontal boundary
 approaches the Florida Keys marine zones tonight. In the wake of
 the front, fresh to strong northeasterly breezes are expected
 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.
 
 $$




 
 GMZ042>044-142130-
 Hawk Channel from Ocean Reef to Craig Key out to the reef-
 Hawk Channel from Craig Key to west end of Seven Mile Bridge out
 to the reef-
 Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal
 out to the reef-
 425 AM EST Sun Dec 14 2025
 

 TODAY
 Northeast to east winds 10 to 15 knots, becoming north
 and increasing to near 15 knots. Seas around 2 feet. Nearshore
 waters a light to moderate chop, becoming a moderate chop.
 Scattered showers.

 TONIGHT
 North winds near 15 knots, becoming north to northeast
 and increasing to 15 to 20 knots. Seas 2 to 3 feet, except 2 to 4
 feet, occasionally to 5 feet west of Cosgrove Shoal Light.
 Nearshore waters a light to moderate chop, becoming choppy.
 Isolated showers.

 MONDAY
 Northeast winds increasing to near 20 knots. Seas 2 to
 4 feet, occasionally to 5 feet, except building to 4 to 5 feet,
 occasionally to 6 feet west of Cosgrove Shoal Light. Nearshore
 waters rough. Isolated showers.

 MONDAY NIGHT
 Northeast winds near 20 knots, decreasing to 15
 to 20 knots. Seas 2 to 4 feet, occasionally to 5 feet, except 4 to
 5 feet, occasionally to 6 feet west of Cosgrove Shoal Light.
 Nearshore waters rough, becoming choppy. Isolated showers.

 TUESDAY
 Northeast to east winds 15 to 20 knots. Seas 2 to
 4 feet, occasionally to 5 feet, except 3 to 5 feet, occasionally
 to 6 feet west of Cosgrove Shoal Light. Nearshore waters choppy.

 TUESDAY NIGHT
 Northeast to east winds 15 to 20 knots. Seas
 2 to 4 feet, occasionally to 5 feet. Nearshore waters choppy.

 WEDNESDAY AND WEDNESDAY NIGHT
 East winds 10 to 15 knots. Seas
 2 to 3 feet. Nearshore waters a light to moderate chop.

 THURSDAY AND THURSDAY NIGHT
 East winds 10 to 15 knots. Seas 1
 to 2 feet. Nearshore waters a light to moderate chop. Isolated
 showers.
 
 $$