Powerful gusts hitting speeds of approximately 155km/h (96mph) have left around 90,000 homes lacking electricity and compelled agencies to halt over 100 air travel services, according to domestic outlets.
The winds are affecting the entire South Island and southern sections of the North Island, as stated by the weather forecasting body.
The nation's agencies have released rare severe gust advisories - the highest alert level - in central regions such as Wellington and Canterbury.
Residents have been advised to stay indoors, refrain from journeys, and get ready for more electricity and network failures.
Extensive Damage and Crisis Measures
The power cut seems to be impacting homes mainly in the South Island, while agencies report that the electricity supply was being slowly brought back.
Regional news have stated that in certain areas homes have lost their roofs, while trees and electricity poles have been knocked down by the gusts.
In Wellington, a person was lost his life after being impacted by a tree branch at a well-known hiking path on earlier this week.
Additionally in the city, a woman was pushed toward approaching vehicles on a road by a powerful blast, in a moment that was filmed in a viral dashcam video.
Aircraft services in and out of the metropolis have been halted due to the weather, whereas various routes and public facilities are shut down.
At the same time Canterbury officials have announced a crisis declaration, to support emergency management operations.
Labor Protests Alongside Harsh Weather
The wild winds on today coincide with many of school staff, physicians and civil servants are engaged in what has been described as a "significant labor action", requesting better pay and working conditions.
But the intense climate has compelled them to change some of their plans, with several external protests relocated inside or abandoned.
Similar gusts are also sweeping Australia, ushering in a high-temperature event to the nation's interior regions.
Agencies have announced flame prohibitions for fear of bushfires.
