WOAA47 NZKL 160641 ICE ACCRETION WARNING 270 THIS AFFECTS OCEAN AREA: SOUTHERN AT 160600UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 60S 170E 60S 174W 65S 169W 65S 179E 65S 162E 60S 170E: HEAVY ICE ACCRETION. ICE ACCRETION AREA MOVING EAST 20KT. THIS WARNING CANCELS AND REPLACES WARNING 267.