Florida Bay including Barnes Sound Blackwater Sound and Buttonwood Sound GMZ031

 
 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.
 
 $$



 
 GMZ031-142130-
 Florida Bay including Barnes Sound, Blackwater Sound, and
 Buttonwood Sound-
 425 AM EST Sun Dec 14 2025
 

 TODAY
 Northeast to east winds 5 to 10 knots, becoming
 northwest to north this afternoon. Bay waters smooth to a light
 chop. Scattered showers.

 TONIGHT
 North winds near 10 knots, increasing to 10 to 15
 knots. Bay waters a light chop, becoming a light to moderate chop.
 Isolated showers.

 MONDAY
 Northeast winds near 15 knots, increasing to 15 to 20
 knots. Bay waters a moderate chop, becoming choppy. Isolated
 showers.

 MONDAY NIGHT
 Northeast winds 15 to 20 knots. Bay waters
 choppy. Isolated showers.

 TUESDAY
 Northeast winds decreasing to near 15 knots. Bay
 waters becoming a moderate chop.

 TUESDAY NIGHT
 Northeast to east winds 10 to 15 knots. Bay
 waters a light to moderate chop.

 WEDNESDAY AND WEDNESDAY NIGHT
 East winds near 10 knots. Bay
 waters a light chop.

 THURSDAY
 East winds near 10 knots. Bay waters a light chop.
 Isolated showers.

 THURSDAY NIGHT
 East winds 5 to 10 knots. Bay waters smooth to
 a light chop. Isolated showers.
 
 $$