A wintry blast will bring howling gales, towering seas, snow and torrential rain to the North Island today.
Temperatures plunged overnight in many eastern towns and cities, and Hawke's Bay and Gisborne are in for a tumultuous day.
Waiouru dived to -1C and Taupo recorded its coldest temperature of the month plunging to a chilly 3C.
Storm clouds are starting to gather over the North Island volcanoes where snow is expected to fall this morning.
MetService has issued a heavy rain and strong wind watch for the eastern regions as a deep low sits off the coast.