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Brief Forecast for all New Zealand
Valid to Midnight Saturday, 19-Apr
Cyclone Tam to the west of the country brings strong northeasterlies and heavy rain to parts of northern and central New Zealand.
Northland to Taranaki, including Coromandel Peninsula, Bay of Plenty, Taumarunui and Taupo
Periods of rain or showers, heavy at times with thunderstorms possible.
Gisborne and Hawke's Bay
Scattered rain, clearing early morning and becoming mainly fine.
Whanganui and Taihape to Wellington, also Wairarapa
Scattered showers clearing tonight. Mainly fine tomorrow, isolated showers in the afternoon and evening.
Marlborough and Nelson
Periods of rain or showers, heavy at times, with thunderstorms possible west of Motueka.
Buller to Fiordland
Scattered rain, possibly heavy tomorrow.
Canterbury, Otago and Southland
Mostly cloudy, with patchy rain.
Chatham Islands
Cloudy, with rain developing tomorrow night.
Outlook for following three days
Sunday
North Island: Rain in the northeast, with heavy falls. Showers elsewhere, but mainly fine in Hawke's Bay and Wairarapa.
South Island: Rain with some heavy falls, easing in the south later.
Monday
North Island: Rain in the west and north. Scattered showers elsewhere.
South Island: Periods of rain in the north and east. Isolated showers elsewhere clearing.
Tuesday
North Island: Rain in the west. Scattered showers elsewhere.
South Island: Periods of rain in the north. Mainly fine in the west. Showers developing elsewhere.
Chatham Islands
Cloudy periods with rain developing on Sunday, then easing to a few showers on Monday. Periods of rain, with some heavy falls returning on Tuesday. Northerlies, strong for a time on Sunday, then dying out Tuesday.
Issued: 7:08pm Friday 18 Apr 2025