In the North Island, Red Wind Warnings are in place for Wellington and southern Wairarapa.
There are extensive public transport and flight cancellations.
Air New Zealand says it's already cancelled almost 100 flights today.
CEO Nikhil Ravishankar says told Mike Hosking that it will only operate flights if it's safe to do so.
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Mike's Minute: The free trade deal should be celebrated
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Bridget Abernethy: Electricity Retailers and Generators Association CEO on the Electricity Authority questioning power price hikes
04:15

Pollies: National's Mark Mitchell and Labour's Ginny Andersen on drinking at Parliament, Maiki Sherman, the situation with Labour and Fitch
10:27