Powerful gales attaining speeds of as high as 155km/h (96mph) have caused approximately 90,000 properties experiencing outages and compelled agencies to halt over 100 flights, based on local media.
The winds are affecting the whole South Island and southern sections of the North Island, as stated by the country's meteorological service.
The nation's agencies have released infrequent red wind warnings - the highest alert level - in key areas such as Wellington and Canterbury.
Residents have been encouraged to remain inside, stay off roads, and prepare for further power and communication outages.
Extensive Impact and Emergency Measures
The power cut seems to be impacting residences mainly in the southern region, though officials state that energy was being gradually reinstated.
Domestic outlets have indicated that in various locations homes have lost their roofs, and trees and electricity poles have been knocked down by the gusts.
In Wellington, a individual was lost his life after being impacted by a tree branch at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was pushed toward oncoming traffic on a street by a intensive burst, in a incident that was captured in a widely shared car camera footage.
Aircraft services entering and leaving the urban area have been suspended because of the gusts, and some roads and libraries are shut down.
Meanwhile authorities in Canterbury have declared a crisis declaration, to support recovery activities.
Strike Action Amid Harsh Conditions
These intense gusts on today coincide with tens of thousands of school staff, physicians and civil servants are engaged in what has been described as a "significant labor action", calling for improved salaries and workplace environments.
But the severe conditions has compelled them to change some of their plans, with various open-air gatherings relocated inside or cancelled.
Comparable winds are also sweeping the nearby nation, bringing a period of extreme heat to the country's outback.
Officials have declared burning restrictions for fear of wildfires.