WWNZ40 NZKL 161818 GALE WARNING 308 THIS AFFECTS OCEAN AREAS: SUBTROPIC AND FORTIES AT 161800UTC LOW 998HPA NEAR 42S 171W MOVING NORTH 10KT. WITHIN 120 NAUTICAL MILES OF LOW IN WESTERN SEMICIRCLE: CLOCKWISE 35KT EASING NEXT 6-12 HOURS. GALE AREA MOVING WITH LOW. THIS WARNING CANCELS AND REPLACES WARNING 303.