Severe winds hitting speeds of as high as 155km/h (96mph) have caused around 90,000 homes without power and compelled officials to call off in excess of 100 aircraft departures, as reported by domestic outlets.
The gales are impacting the complete southern region and lower areas of the northern region, according to the country's meteorological service.
The nation's agencies have announced uncommon red wind warnings - the most severe warning - in core zones including Wellington and Canterbury.
Residents have been advised to remain inside, refrain from journeys, and get ready for additional utility disruptions.
Widespread Destruction and Crisis Response
The power cut is primarily influencing homes mostly in the southern region, while authorities state that power was being slowly brought back.
Local media have indicated that in some places structures have suffered roof damage, while power lines and trees have been knocked down by the winds.
Within the capital, a man was killed after being impacted by a falling limb at a popular trail walking spot on earlier this week.
Also in the capital, a woman was blown onto oncoming traffic on a thoroughfare by a intensive burst, in a incident that was filmed in a viral dashcam video.
Aircraft services in and out of the urban area have been cancelled as a result of the winds, and certain highways and community centers are also closed.
Meanwhile authorities in Canterbury have issued a state of emergency, to assist disaster response efforts.
Work Stoppages Amid Severe Conditions
The powerful gales on Thursday occur while tens of thousands of educators, medical professionals and government employees are engaged in what has been called a "mega strike", demanding improved salaries and workplace environments.
But the intense climate has forced them to modify certain arrangements, with various open-air gatherings shifted to interior venues or cancelled.
Comparable winds are impacting Australia, ushering in a heatwave to the country's outback.
Officials have announced fire bans for concern about forest fires.