Powerful winds reaching velocities of up to 155km/h (96mph) have left around 90,000 properties lacking electricity and forced agencies to call off in excess of 100 air travel services, based on domestic outlets.
The gales are influencing the entire southern region and southern parts of the North Island, according to the country's meteorological service.
New Zealand authorities have released rare severe gust advisories - the most severe warning - in central regions encompassing Wellington and Canterbury.
People have been encouraged to avoid going outside, refrain from journeys, and make arrangements for more utility disruptions.
Widespread Damage and Crisis Response
The power cut seems to be impacting homes mostly in the southern region, though agencies report that power was being restored progressively.
Local media have reported that in some places structures have suffered roof damage, while trees and electricity poles have been knocked down by the gusts.
Within the capital, a man was lost his life after being impacted by a falling limb at a well-known hiking path on Tuesday.
Also in the capital, a individual was blown onto moving cars on a thoroughfare by a strong gust of wind, in a event that was captured in a widely shared car camera footage.
Aircraft services in and out of the metropolis have been suspended because of the gusts, while various routes and public facilities are not operating.
Simultaneously authorities in Canterbury have announced a crisis declaration, to facilitate emergency management operations.
Strike Action Alongside Severe Weather
The powerful gales on this day come as tens of thousands of teachers, doctors and other public workers are engaged in what has been described as a "significant labor action", calling for better pay and working conditions.
But the intense climate has compelled them to change various scheduled activities, with various open-air gatherings shifted to interior venues or called off.
Comparable winds are also sweeping the neighboring country, bringing a heatwave to the country's outback.
Authorities have announced burning restrictions for apprehension regarding bushfires.
