WOAA47 NZKL 170622 ICE ACCRETION WARNING 303 THIS AFFECTS OCEAN AREA: SOUTHERN AT 170600UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 66S 180 65S 157W 74S 149W 71S 175E 66S 180: HEAVY ICE ACCRETION. ICE ACCRETION AREA MOVING EAST 15KT. THIS WARNING CANCELS AND REPLACES WARNING 296.=