Synopsis...
High Pressure Will Move East From The Lower Mississippi Valley, Reaching The Southeastern Atlantic Coast Tonight, Then East Into The Western Atlantic Thursday. Thereafter, A Low Pressure System Over Arkansas Will Move East And Drag Another Cold Front Across The Gulf Of Mexico Thursday Night Through Friday, Reaching The Keys Coastal Waters Late Friday Into Saturday. The Approximate Shoreward Edge Of The Gulf Stream As Of December 11, 2018... 23 Nm South Of Dry Tortugas Light...On Loggerhead Key. 7 Nm South Of Cosgrove Shoal Light...Off The Marquesas Keys. 7 Nm South Of Sand Key Light...Off Key West. 8 Nm South Of Looe Key...Off Big Pine Key. 6 Nm South Of Sombrero Key Light...Off Marathon. 8 Nm Southeast Of Alligator Reef Light...Off Islamorada. 2 Nm Southeast Of Molasses Reef Light...Off Key Largo. 1 Nm East Of Carysfort Reef Light...Off Ocean Reef. Gulf Stream Information Courtesy Of The Naval Oceanographic Office.

...