...KIRK SPREADING LARGE SWELLS ACROSS THE NORTH ATLANTIC... ...INCREASED RISK OF LIFE-THREATENING RIP CURRENTS CONTINUE ALONG THE U.S. EAST COAST... As of 5:00 PM AST Sun Oct 6 the center of Kirk was located near 37.0, -46.2 with movement NNE at 23 mph. The minimum central pressure was 961 mb with maximum sustained winds of about 85 mph.