Powerful gales attaining velocities of approximately 155km/h (96mph) have left approximately 90,000 households lacking electricity and led authorities to cancel in excess of 100 flights, based on local media.
The gales are affecting the whole southern region and southern sections of the North Island, as stated by the weather forecasting body.
Officials in New Zealand have announced infrequent high-level wind alerts - the most severe warning - in core zones such as Canterbury and Wellington.
People have been encouraged to avoid going outside, avoid travel, and prepare for further electricity and network failures.
Widespread Impact and Crisis Measures
The power cut seems to be impacting homes predominantly in the South Island, although officials state that the electricity supply was being gradually reinstated.
Regional news have indicated that in certain areas structures have suffered roof damage, and trees and electricity poles have been knocked down by the gusts.
Across Wellington, a man was lost his life after being hit by a wooden fragment at a well-known hiking path on Tuesday.
Also in the capital, a individual was swept into oncoming traffic on a road by a strong gust of wind, in a moment that was captured in a widely shared car camera footage.
Flights to and from the city have been cancelled because of the weather, and certain highways and community centers are shut down.
At the same time Canterbury officials have announced a crisis declaration, to assist recovery activities.
Labor Protests Alongside Harsh Conditions
The wild winds on Thursday coincide with many of educators, medical professionals and government employees are participating in what has been described as a "mega strike", demanding improved salaries and workplace environments.
But the intense climate has forced them to alter certain arrangements, with various open-air gatherings shifted to interior venues or called off.
Like conditions are impacting Australia, causing a period of extreme heat to the remote areas.
Officials have declared flame prohibitions for fear of bushfires.