WOAA47 NZKL 081247 ICE ACCRETION WARNING 180 THIS AFFECTS OCEAN AREA: SOUTHERN AT 081200UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 61S 163E 59S 180 65S 169W 65S 160E 61S 163E: HEAVY ICE ACCRETION. ICE ACCRETION AREA MOVING EAST 25KT. THIS WARNING CANCELS AND REPLACES WARNING 174.