...ISAAC CONTINUES MOVING TOWARDS THE NORTHEAST OVER THE OPEN ATLANTIC... ...LARGE AREA OF DANGEROUS HIGH SEAS SURROUND THE HURRICANE... As of 3:00 PM GMT Sun Sep 29 the center of Isaac was located near 43.2, -35.6 with movement NE at 12 mph. The minimum central pressure was 971 mb with maximum sustained winds of about 75 mph.