3NM SE Key Largo FL

Synopsis: A weak pressure pattern will persist across the Florida Keys and adjacent coastal waters this afternoon. Breezes will turn westerly and freshen some by late. Tropical Storm Humberto will move northward and then northeastward over the western North Atlantic during the next few days. An area of high pressure will build slowly across the eastern Gulf of Mexico through the end of the week.

The Approximate Shoreward Edge of the Gulf Stream as of September 14, 2019...

58 NM South of Dry Tortugas Light...on Loggerhead Key. 32 NM South of Cosgrove Shoal Light...off the Marquesas Keys. 20 NM South of Sand Key Light...off Key West. 11 NM South of Looe Key...off Big Pine Key. 9 NM South of Sombrero Key Light...off Marathon. 3 NM Southeast of Alligator Reef Light...off Islamorada. 1 NM Southeast of Molasses Reef Light...off Key Largo. 4 NM East of Carysfort Reef Light...off Ocean Reef.

Gulf Stream Information Courtesy of the Naval Oceanographic Office.