Intense gales hitting velocities of up to 155km/h (96mph) have caused around 90,000 households lacking electricity and led officials to call off more than 100 air travel services, based on domestic outlets.
The gales are affecting the complete southern region and lower areas of the North Island, per the weather forecasting body.
Officials in New Zealand have released rare severe gust advisories - the top caution category - in central regions such as Canterbury and Wellington.
Locals have been advised to avoid going outside, stay off roads, and get ready for more electricity and network failures.
Extensive Destruction and Crisis Measures
The electricity loss seems to be impacting homes predominantly in the South Island, while authorities state that energy was being restored progressively.
Local media have indicated that in certain areas homes have lost their roofs, and trees and electricity poles have been brought down by the winds.
In Wellington, a individual was fatally injured after being hit by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a individual was pushed toward moving cars on a thoroughfare by a intensive burst, in a moment that was filmed in a widely shared car camera footage.
Aircraft services to and from the metropolis have been suspended because of the gusts, while some roads and libraries are also closed.
Simultaneously authorities in Canterbury have announced a crisis declaration, to facilitate disaster response efforts.
Strike Action During Extreme Weather
The wild winds on Thursday come as many of educators, medical professionals and government employees take part in what has been called a "mega strike", requesting better pay and working conditions.
But the extreme weather has forced them to change various scheduled activities, with various open-air gatherings relocated inside or cancelled.
Like conditions are impacting the neighboring country, bringing a period of extreme heat to the nation's interior regions.
Agencies have issued fire bans for concern about wildfires.
