Severe gales hitting speeds of as high as 155km/h (96mph) have caused approximately 90,000 homes lacking electricity and compelled authorities to halt in excess of 100 air travel services, according to regional news sources.
These gusts are influencing the entire South Island and southern parts of the northern region, as stated by the weather forecasting body.
Officials in New Zealand have issued rare high-level wind alerts - the highest alert level - in central regions including Wellington and Canterbury.
Locals have been urged to stay indoors, refrain from journeys, and get ready for more utility disruptions.
Widespread Impact and Crisis Response
The power cut is primarily influencing homes predominantly in the southern region, though agencies report that power was being restored progressively.
Domestic outlets have indicated that in various locations roofs have been ripped off houses, and power lines and trees have been knocked down by the winds.
In Wellington, a individual was fatally injured after being struck by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a female was pushed toward approaching vehicles on a street by a powerful blast, in a moment that was recorded in a widely shared car camera footage.
Flights in and out of the metropolis have been cancelled due to the weather, while various routes and public facilities are not operating.
Meanwhile authorities in Canterbury have issued a emergency situation, to facilitate recovery activities.
Labor Protests During Extreme Weather
The wild winds on today coincide with many of school staff, physicians and civil servants are participating in what has been termed a "significant labor action", demanding better pay and working conditions.
But the extreme weather has compelled them to modify certain arrangements, with several external protests relocated inside or cancelled.
Like conditions are affecting the neighboring country, bringing a heatwave to the remote areas.
Agencies have announced burning restrictions for apprehension regarding bushfires.