TAF NZFX 181459Z 1815/1915 (1904/2004NZDT) 15013KT 9999 DRSN OVC025 620253 QNH2910INS GRID32013KT BECMG 1816/1818 (1905/1907) 16015G20KT 3200 -SN BLSN OVC020 620203 QNH2910INS GRID33015G20KT TEMPO 1817/1819 (1906/1908) 17018G25KT 1200 BLSN GRID34018G25KT BECMG 1823/1901 (1912/1914) 05009KT 9999 NSW FEW025 SCT045 BKN070 QNH2911INS GRID22009KT BECMG 1910/1912 (1923/2001) VRB06KT 9999 SCT030 BKN050 QNH2910INS