WOAA47 NZKL 150632 ICE ACCRETION WARNING 281 THIS AFFECTS OCEAN AREA: SOUTHERN AT 150600UTC OVER WATERS EAST OF WESTERN BOUNDARY AND NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 67S 160E 61S 160E 65S 178W 68S 178W 67S 160E: HEAVY ICE ACCRETION. ICE ACCRETION AREA MOVING EASTSOUTHEAST 20KT. THIS WARNING CANCELS AND REPLACES WARNING 276.=