...KIRK SENDING LARGE SWELL TOWARDS THE U.S. EAST COAST... ...INCREASED RISK OF LIFE-THREATENING RIP CURRENTS... As of 11:00 PM AST Sat Oct 5 the center of Kirk was located near 31.3, -49.3 with movement N at 20 mph. The minimum central pressure was 951 mb with maximum sustained winds of about 115 mph.