WOAA47 NZKL 130030 ICE ACCRETION WARNING 230 THIS AFFECTS OCEAN AREA: SOUTHERN AT 130000UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 61S 170E 65S 177E 63S 163E 61S 163E 61S 170E: HEAVY ICE ACCRETION. ICE ACCRETION AREA MOVING EAST 25KT. THIS WARNING CANCELS AND REPLACES WARNING 225.