WOAA47 NZKL 050612 ICE ACCRETION WARNING 082 THIS AFFECTS OCEAN AREA: SOUTHERN AT 050600UTC OVER WATERS NORTH OF ICE EDGE. IN AN AREA BOUNDED BY 71S 122W 72S 137W 71S 137W 69S 126W 71S 122W: HEAVY ICE ACCRETION DEVELOPING NEXT 6-12 HOURS. ICE ACCRETION AREA THEN SLOW MOVING.