GMZ005-141430-
 Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
 1029 PM EDT Tue Oct 13 2026
 
 
 .SYNOPSIS...
 High pressure is centered over the Southeast U.S. and the
 northern Gulf. An Atlantic ridge continues to weaken and retreat
 east towards the central Atlantic. In between these two features
 lies a weak cold front which is in the process of stalling along
 and parallel or just south of the Florida Keys. This will promote
 gentle to moderate northeast to east breezes over the next
 several days. There will be chances for showers and a few thunderstorms
 over the next few days as this weak and diffuse front remains in
 the area. Late in the week, a strong cold front could develop and
 move towards the Florida Keys by the weekend. Currently, there are
 low chances that the front will make it to the Florida Keys
 waters but there still remains some uncertainty in the forecast
 regarding how far south the frontal boundary is able to reach.
 
 The Approximate Shoreward Edge of the Gulf Stream as of October
 9, 2026...
 
 53 NM south-southeast of Dry Tortugas Light, on Loggerhead Key
 33 NM south-southeast of Cosgrove Shoal Light, off the Marquesas Keys
 24 NM south-southeast of Sand Key Light, off Key West
 19 NM south-southeast of Looe Key, off Big Pine Key
 13 NM south-southeast of Sombrero Key Light, off Marathon
 5 NM south-southeast of Alligator Reef Light, off Islamorada
 2 NM east of Molasses Reef Light, off Key Largo
 2 NM east of Carysfort Reef Light, off Ocean Reef
 
 Gulf Stream Information Courtesy of the Naval Oceanographic
 Office.
 
 $$




 
 GMZ042>044-141430-
 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-
 1029 PM EDT Tue Oct 13 2026
 

 OVERNIGHT
 Northeast to east winds 10 to 15 knots. Seas 2 to
 3 feet. Nearshore waters a light to moderate chop. A chance of
 showers and thunderstorms.

 WEDNESDAY
 Northeast to east winds 10 to 15 knots. Seas 2 to
 3 feet. Nearshore waters a light to moderate chop. A chance of
 showers with a slight chance of thunderstorms.

 WEDNESDAY NIGHT
 East winds 10 to 15 knots. Seas 2 to 3 feet.
 Nearshore waters a light to moderate chop. A chance of showers
 with a slight chance of thunderstorms.

 THURSDAY
 East winds 10 to 15 knots. Seas 2 to 3 feet.
 Nearshore waters a light to moderate chop. A chance of showers
 with a slight chance of thunderstorms.

 THURSDAY NIGHT
 East winds 10 to 15 knots. Seas 2 to 3 feet.
 Nearshore waters a light to moderate chop. A chance of showers
 with a slight chance of thunderstorms.

 FRIDAY
 East winds 5 to 10 knots. Seas 1 to 2 feet. Nearshore
 waters smooth to a light chop. A chance of showers with a slight
 chance of thunderstorms.

 FRIDAY NIGHT
 Northeast to east winds near 5 knots. Seas around
 1 foot. Nearshore waters smooth. A chance of showers and
 thunderstorms.

 SATURDAY
 Northeast to east winds 5 to 10 knots, increasing to
 10 to 15 knots. Seas 1 to 2 feet, building to around 2 feet.
 Nearshore waters smooth to a light chop, becoming a light to
 moderate chop. Showers likely with a chance of thunderstorms.

 SATURDAY NIGHT
 Northeast to east winds 15 to 20 knots. Seas
 2 to 3 feet. Nearshore waters choppy. A chance of thunderstorms.
 Showers.

 SUNDAY
 Northeast to east winds 20 to 25 knots. Seas 2 to
 4 feet, occasionally to 5 feet. Nearshore waters very rough. A
 chance of thunderstorms. Showers.

 SUNDAY NIGHT
 Northeast to east winds 20 to 25 knots. Seas 3 to
 5 feet, occasionally to 6 feet. Nearshore waters very rough.
 Showers with a chance of thunderstorms.
 
 $$