GMZ005-310830-
 Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
 428 PM EDT Sat May 30 2026
 
 
 .SYNOPSIS...Weak high pressure across the area will support light
 to gentle southeast to south breezes over the next few days,
 becoming light and variable at times. The nebulous pressure
 pattern will continue through much of early next week, with near
 normal rain and thunder chances also expected. A weak frontal
 boundary may stall near the Keys coastal waters by mid week,
 supporting an uptick in wind speeds as well as rain chances.
 
 The Approximate Shoreward Edge of the Gulf Stream as of May 30...
 
 35 NM South of Dry Tortugas Light...on Loggerhead Key.
 11 NM South of Cosgrove Shoal Light...off the Marquesas Keys.
 10 NM South of Sand Key Light...off Key West.
 7 NM South of Looe Key...off Big Pine Key.
 7 NM Southeast of Sombrero Key Light...off Marathon.
 6 NM Southeast of Alligator Reef Light...off Islamorada.
 2 NM Southeast of Molasses Reef Light...off Key Largo.
 1 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>075-310830-
 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 EDT Sat May 30 2026
 

 TONIGHT
 Variable winds 5 to 10 knots, becoming south. Seas
 around 1 foot. Wave Detail: East to southeast 1 foot at 3
 seconds. A slight chance of showers.

 SUNDAY
 South winds near 5 knots. Seas around 1 foot. Wave
 Detail: East to southeast 1 foot at 3 seconds. A slight chance of
 showers and thunderstorms.

 SUNDAY NIGHT
 Southeast winds near 5 knots. Seas 1 foot or
 less. A slight chance of showers and thunderstorms. Wave Detail:
 East to southeast 1 foot at 3 seconds.

 MONDAY
 South winds near 5 knots, becoming variable. Seas 1
 foot or less. A slight chance of showers and thunderstorms.

 MONDAY NIGHT
 Variable winds near 5 knots. Seas 1 foot or less.

 TUESDAY
 Northwest winds near 5 knots. Seas 1 foot or less. A
 slight chance of showers and thunderstorms.

 TUESDAY NIGHT
 Variable winds near 5 knots, increasing to 5 to
 10 knots. Seas around 1 foot. A slight chance of showers and
 thunderstorms.

 WEDNESDAY
 East winds 5 to 10 knots. Seas 1 to 2 feet. A chance
 of showers and thunderstorms.

 WEDNESDAY NIGHT
 East winds 5 to 10 knots, increasing to near 10
 knots. Seas building to 2 to 3 feet due to a northeasterly swell.
 A chance of showers with a slight chance of thunderstorms.

 THURSDAY AND THURSDAY NIGHT
 Northeast to east winds 10 to 15
 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of
 showers with a slight chance of thunderstorms.
 
 $$