WOAA47 NZKL 301215 ICE ACCRETION WARNING 452 THIS AFFECTS OCEAN AREA: SOUTHERN AT 301200UTC OVER WATERS EAST OF WESTERN BOUNDARY AND NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 60S 160E 62S 174E 65S 174E 62S 157E 60S 160E: HEAVY ICE ACCRETION DEVELOPING NEXT 6 HOURS. ICE ACCRETION AREA THEN MOVING EAST 30KT.=