...KIRK EXPECTED TO BECOME EXTRATROPICAL ON MONDAY... ...STILL CAUSING LARGE SWELLS AND RIP CURRENT RISK ALONG U.S. EAST COAST... As of 3:00 AM GMT Mon Oct 7 the center of Kirk was located near 38.6, -43.6 with movement NE at 25 mph. The minimum central pressure was 964 mb with maximum sustained winds of about 80 mph.