Powerful gusts hitting velocities of approximately 155km/h (96mph) have left nearly 90,000 properties lacking electricity and compelled authorities to halt over 100 air travel services, as reported by domestic outlets.
The gales are impacting the whole southern region and lower areas of the North Island, as stated by the country's meteorological service.
New Zealand authorities have issued rare red wind warnings - the top caution category - in central regions encompassing Canterbury and Wellington.
Residents have been advised to stay indoors, refrain from journeys, and get ready for further utility disruptions.
Broad Destruction and Crisis Response
The power cut seems to be impacting homes mainly in the South Island, while agencies state that the electricity supply was being gradually reinstated.
Domestic outlets have indicated that in various locations homes have lost their roofs, whereas trees and electricity poles have been brought down by the winds.
In Wellington, a man was killed after being struck by a wooden fragment at a frequent walking route on Tuesday.
Meanwhile in Wellington, a female was blown onto approaching vehicles on a street by a powerful blast, in a event that was filmed in a popular vehicle recording.
Air travel to and from the metropolis have been cancelled as a result of the weather, whereas various routes and public facilities are shut down.
Simultaneously Canterbury officials have announced a emergency situation, to facilitate emergency management operations.
Labor Protests Amid Severe Weather
The wild winds on Thursday coincide with tens of thousands of school staff, physicians and civil servants are participating in what has been termed a "significant labor action", requesting improved salaries and workplace environments.
But the extreme weather has pressured them to alter some of their plans, with several external protests relocated inside or cancelled.
Similar gusts are affecting the neighboring country, bringing a heatwave to the country's outback.
Authorities have announced burning restrictions for apprehension regarding forest fires.
