9NM E Jacksonville Beach FL

Synopsis: Surface troughs will move offshore of the southeast Atlantic coast as high pressure builds east across the Gulf of Mexico through tonight. The high will build over the local waters Wednesday, then begin to build northeast Thursday. The high will build east of the waters Friday as a cold front approaches from the west. The front is expected to cross the local area late Saturday into Sunday.

.GULF STREAM...

The approximate location of the west wall of the Gulf Stream as of Nov 19, 2019 at 1200 UTC...

46 nautical miles east of Flagler Beach. 46 nautical miles east of Saint Augustine Beach. 54 nautical miles east of Jacksonville Beach. 90 nautical miles east of St Simons Island.

This data courtesy of the Naval Oceanographic Office.