Metservice Severe Weather Outlook


A front weakens over the North Island on Saturday while a ridge moves onto the South Island from the Tasman Sea.
The ridge moves away to the east on Sunday as a trough moves onto the South Island from the west late Sunday then move northeastwards across the North Island on Monday.
Late Monday, a complex low pressure system is forecast to move onto New Zealand from the Tasman Sea, then slowly move eastwards on Tuesday.
Please note, there is some uncertainty regarding the development and the track of this low and people are advised to stay up to date with the latest Severe Weather Outlook and forecasts.
Periods of rain are expected in many parts of the country from Saturday onwards.
There is low confidence of warnings amounts of rain in Fiordland on Sunday and Monday, while the confidence is moderate for Westland over the same period, then the confidence reducing to low on Tuesday.
There is low confidence of warning amounts of rain in Buller, Nelson and parts of Marlborough on Monday increasing to moderate on Tuesday as indicated on the chart.
Meanwhile, there is low confidence of warning amounts of rain in Taranaki, Taumarunui, inland Whanganui, Taihape, Taupo, the ranges of Bay of Plenty east of Whakatane and the Gisborne ranges on Tuesday.
In addition, strong to gale north to northwest winds are expected to precede the low pressure system as it moves onto the country late Monday.
There is low confidence of north to northwest winds approaching severe gale fore in exposed parts of the North Island from Taranaki and Taihape across to East Cape and northwards during late Monday and on Tuesday.

Outlook courtesy of the Metservice