Intense gusts reaching speeds of as high as 155km/h (96mph) have caused around 90,000 homes experiencing outages and led agencies to call off more than 100 aircraft departures, based on domestic outlets.
The gales are affecting the complete southern region and southern parts of the North Island, per the weather forecasting body.
New Zealand authorities have announced uncommon red wind warnings - the most severe warning - in core zones such as Canterbury and Wellington.
Locals have been advised to avoid going outside, stay off roads, and prepare for further power and communication outages.
Extensive Impact and Crisis Measures
The electricity loss seems to be impacting homes mainly in the South Island, although officials state that energy was being slowly brought back.
Regional news have indicated that in some places roofs have been ripped off houses, whereas trees and electricity poles have been knocked down by the gusts.
In Wellington, a individual was lost his life after being impacted by a wooden fragment at a frequent walking route on earlier this week.
Meanwhile in Wellington, a female was pushed toward approaching vehicles on a thoroughfare by a intensive burst, in a incident that was filmed in a popular vehicle recording.
Aircraft services in and out of the metropolis have been halted due to the winds, and some roads and libraries are not operating.
At the same time Canterbury officials have announced a state of emergency, to facilitate disaster response efforts.
Labor Protests During Harsh Weather
The wild winds on Thursday come as tens of thousands of teachers, doctors and other public workers take part in what has been described as a "significant labor action", requesting better pay and working conditions.
But the severe conditions has forced them to alter certain arrangements, with various open-air gatherings moved indoors or called off.
Like conditions are also sweeping Australia, causing a period of extreme heat to the remote areas.
Officials have declared burning restrictions for concern about forest fires.