WOAA47 NZKL 020631 ICE ACCRETION WARNING 023 THIS AFFECTS OCEAN AREA: SOUTHERN AT 020600UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 62S 162W 61S 139W 67S 128W 66S 176W 62S 162W: HEAVY ICE ACCRETION. ICE ACCRETION AREA SLOW MOVING. THIS WARNING CANCELS AND REPLACES WARNING 018.=