GMZ005-042045-
 Synopsis for Keys coastal waters from Ocean Reef to Dry Tortugas
 432 AM EDT Fri Sep 4 2026
 
 
 .SYNOPSIS...
 The western periphery of a weak North Atlantic high will remain
 in loose control of the Keys coastal waters for the next few
 days. Light to gentle, occasionally moderate, east to southeast
 breezes overnight through morning will become light and variable
 at times during the afternoon and evenings. In addition, the
 overall flow will keep low-level moisture in place across the
 region, with seasonally normal rain and thunder chances.
 
 The Approximate Shoreward Edge of the Gulf Stream as of September 2, 2026...
 
 34 NM south-southwest of Dry Tortugas Light, on Loggerhead Key
 34 NM south-southeast of Cosgrove Shoal Light, off the Marquesas Keys
 26 NM south-southeast of Sand Key Light, off Key West
 21 NM south-southeast of Looe Key, off Big Pine Key
 17 NM southeast of Sombrero Key Light, off Marathon
 10 NM southeast of Alligator Reef Light, off Islamorada
 6 NM east-southeast of Molasses Reef Light, off Key Largo
 1 NM east-southeast of Carysfort Reef Light, off Ocean Reef
 
 This data courtesy of the Naval Oceanographic Office.
 
 $$




 
 GMZ031-042045-
 Florida Bay including Barnes Sound, Blackwater Sound, and
 Buttonwood Sound-
 432 AM EDT Fri Sep 4 2026
 

 TODAY
 Southeast to south winds 5 to 10 knots. Bay waters
 smooth to a light chop. A chance of showers and thunderstorms.

 TONIGHT
 East to southeast winds 5 to 10 knots. Bay waters
 smooth to a light chop. A chance of showers and thunderstorms.

 SATURDAY
 Southeast winds 5 to 10 knots. Bay waters smooth to a
 light chop. A chance of showers and thunderstorms.

 SATURDAY NIGHT
 East to southeast winds 5 to 10 knots. Bay
 waters smooth to a light chop. A chance of showers and
 thunderstorms.

 SUNDAY
 South winds near 5 knots. Bay waters smooth. A chance
 of showers and thunderstorms.

 SUNDAY NIGHT
 South winds near 5 knots. Bay waters smooth. A
 chance of showers and thunderstorms.

 MONDAY
 South to southwest winds near 5 knots. Bay waters
 smooth. Showers and thunderstorms likely.

 MONDAY NIGHT
 Southeast to south winds near 5 knots. Bay waters
 smooth. A chance of showers and thunderstorms.

 TUESDAY
 Southeast winds near 5 knots. Bay waters smooth. A
 chance of showers and thunderstorms.

 TUESDAY NIGHT
 East winds 5 to 10 knots. Bay waters smooth to a
 light chop. A chance of showers and thunderstorms.
 
 $$