WOAA47 NZKL 171855 ICE ACCRETION WARNING 368 THIS AFFECTS OCEAN AREA: SOUTHERN AT 171800UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 64S 136W 64S 129W 67S 118W 70S 116W 64S 136W: HEAVY ICE ACCRETION. ICE ACCRETION AREA MOVING SOUTHEAST 35KT. THIS WARNING CANCELS AND REPLACES WARNING 363.=