WWNZ40 NZKL 191218 GALE WARNING 438 THIS AFFECTS OCEAN AREA: FORTIES AT 191200UTC OVER WATERS EAST OF WESTERN BOUNDARY. IN A BELT 300 NAUTICAL MILES WIDE CENTRED ON A LINE 41S 165E 45S 163E 52S 163E: NORTHERLY 35KT DEVELOPING NEXT 6-12 HOURS.