TAF NZFX 181456Z 1815/1915 (1903/2003NZST) 20030G45KT 0400 -SN BLSN VV002 530006 QNH2912INS GRID01030G45KT TEMPO 1816/1820 (1904/1908) 13015G20KT 4800 BLSN BKN025 OVC040 530106 GRID30015G20KT BECMG 1819/1821 (1907/1909) 11008KT 9999 NSW BKN025 OVC040 530105 QNH2915INS GRID28008KT TEMPO 1820/1824 (1908/1912) 14015G30KT 3200 -SN BLSN 530005 GRID31015G30KT BECMG 1901/1903 (1913/1915) 07006KT 9999 SCT025 BKN040 QNH2918INS GRID24006KT