...ERNESTO HEADING TOWARD THE VIRGIN ISLANDS... ...EXPECTED TO BECOME A HURRICANE TONIGHT WHILE PASSING NORTHEAST OF PUERTO RICO... As of 5:00 PM AST Tue Aug 13 the center of Ernesto was located near 18.0, -64.1 with movement WNW at 18 mph. The minimum central pressure was 1001 mb with maximum sustained winds of about 60 mph.