Gulf of Mexico from West End of Seven Mile Bridge to Halfmoon Shoal out to 5 Fathoms GMZ035

 
 GMZ005-182030-
 Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
 417 AM EDT Mon May 18 2026
 
 
 .SYNOPSIS...High pressure centered near Bermuda will continue to
 promote moderate to fresh east to southeast breezes for today and
 tonight. Breezes then undergo a very slow slackening process with
 peaks expected during the evenings and lulls during the day. Rain
 and thunder chances will remain above normal through much of the
 week.
 
 The Approximate Shoreward Edge of the Gulf Stream as of May 12...
 
 35 NM South of Dry Tortugas Light...on Loggerhead Key.
 9 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 6 NM South of Sand Key Light...off Key West.
 7 NM South of Looe Key...off Big Pine Key.
 6 NM Southeast of Sombrero Key Light...off Marathon.
 6 NM Southeast of Alligator Reef Light...off Islamorada.
 4 NM Southeast of Molasses Reef Light...off Key Largo.
 3 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.
 
 $$



 
 GMZ032-035-182030-
 Bayside and Gulfside from Craig Key to west end of Seven Mile
 Bridge-
 Gulf of America from west end of Seven Mile Bridge to Halfmoon
 Shoal out to 5 Fathoms-
 417 AM EDT Mon May 18 2026
 
 SMALL CRAFT SHOULD EXERCISE CAUTION
 

 TODAY
 East to southeast winds 15 to 20 knots. Seas 2 to 3
 feet, except 3 to 4 feet, occasionally to 5 feet west of the
 Marquesas Keys. Nearshore waters choppy. A chance of showers with
 a slight chance of thunderstorms.

 TONIGHT
 East winds 15 to 20 knots. Seas 2 to 3 feet, except 3
 to 4 feet, occasionally to 5 feet west of the Marquesas Keys.
 Nearshore waters choppy. A chance of showers with a slight chance
 of thunderstorms.

 TUESDAY
 East winds near 15 knots. Seas 1 to 2 feet, except
 2 to 3 feet west of the Marquesas Keys. Nearshore waters a
 moderate chop. A chance of showers with a slight chance of
 thunderstorms.

 TUESDAY NIGHT
 East winds 15 to 20 knots, decreasing to near 15
 knots. Seas 1 to 2 feet, except 2 to 4 feet, occasionally to 5
 feet west of the Marquesas Keys. Nearshore waters choppy,
 becoming a moderate chop. A chance of showers with a slight chance
 of thunderstorms.

 WEDNESDAY
 East winds 10 to 15 knots. Seas 1 to 2 feet, except 2
 to 3 feet west of the Marquesas Keys. Nearshore waters a light to
 moderate chop. A chance of showers with a slight chance of
 thunderstorms.

 WEDNESDAY NIGHT
 East winds near 15 knots, decreasing to 10 to
 15 knots. Seas 1 to 2 feet, except 2 to 3 feet west of the
 Marquesas Keys. Nearshore waters a moderate chop, becoming a light
 to moderate chop. A slight chance of showers and thunderstorms.

 THURSDAY
 East winds near 10 knots. Seas 1 to 2 feet. Nearshore
 waters a light chop. A slight chance of showers and
 thunderstorms.

 THURSDAY NIGHT
 East to southeast winds near 10 knots. Seas 1
 to 2 feet. Nearshore waters a light chop. A slight chance of
 showers.

 FRIDAY
 East to southeast winds 5 to 10 knots. Seas around 1
 foot. Nearshore waters smooth to a light chop. A slight chance of
 showers and thunderstorms.

 FRIDAY NIGHT
 East to southeast winds near 10 knots. Seas
 around 1 foot, except building to 1 to 2 feet west of the
 Marquesas Keys. Nearshore waters a light chop. A slight chance of
 showers and thunderstorms.
 
 $$