Powerful gales hitting speeds of approximately 155km/h (96mph) have caused around 90,000 households without power and compelled agencies to halt more than 100 air travel services, based on local media.
The gales are influencing the whole southern region and lower areas of the North Island, according to the weather forecasting body.
Officials in New Zealand have released rare red wind warnings - the most severe warning - in key areas such as Canterbury and Wellington.
Locals have been urged to remain inside, refrain from journeys, and prepare for additional utility disruptions.
Broad Destruction and Emergency Response
The power cut appears to be affecting households mostly in the southern region, while authorities state that power was being restored progressively.
Regional news have stated that in various locations structures have suffered roof damage, whereas power lines and trees have been brought down by the winds.
In Wellington, a individual was killed after being struck by a tree branch at a frequent walking route on Tuesday.
Additionally in the city, a individual was pushed toward oncoming traffic on a road by a strong gust of wind, in a event that was filmed in a viral dashcam video.
Aircraft services in and out of the metropolis have been halted as a result of the winds, while certain highways and community centers are not operating.
Simultaneously authorities in Canterbury have issued a crisis declaration, to assist emergency management operations.
Strike Action Amid Severe Conditions
These intense gusts on Thursday occur while many of teachers, doctors and other public workers are engaged in what has been described as a "major walkout", requesting improved salaries and workplace environments.
Yet the intense climate has forced them to change various scheduled activities, with various open-air gatherings shifted to interior venues or called off.
Like conditions are affecting Australia, ushering in a period of extreme heat to the remote areas.
Officials have issued fire bans for apprehension regarding bushfires.