TAF NZFX 182057Z 1821/1921 (1910/2010NZDT) 12010KT 9999 SCT120 QNH2900INS GRID29010KT TEMPO 1821/1903 (1910/1916) 18020G30KT DRSN 520003 WND VRB06KT AFT 1903 GRID35020G30KT