WOAA47 NZKL 090618 ICE ACCRETION WARNING 165 THIS AFFECTS OCEAN AREA: SOUTHERN AT 090600UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 68S 114W 68S 171W 64S 154W 65S 129W 68S 114W: HEAVY ICE ACCRETION. ICE ACCRETION AREA MOVING EAST 20KT. THIS WARNING CANCELS AND REPLACES WARNING 159.