Severe gales hitting speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 homes experiencing outages and forced officials to halt over 100 air travel services, based on local media.
The gales are impacting the whole southern region and southern sections of the northern region, as stated by the weather forecasting body.
The nation's agencies have announced rare red wind warnings - the most severe warning - in core zones such as Canterbury and Wellington.
People have been urged to stay indoors, avoid travel, and get ready for additional power and communication outages.
Broad Damage and Crisis Response
This outage seems to be impacting residences predominantly in the South Island, though agencies state that energy was being slowly brought back.
Domestic outlets have indicated that in certain areas roofs have been ripped off houses, while trees and electricity poles have been knocked down by the winds.
Within the capital, a person was fatally injured after being hit by a falling limb at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a individual was pushed toward oncoming traffic on a thoroughfare by a powerful blast, in a event that was filmed in a widely shared car camera footage.
Air travel to and from the metropolis have been halted as a result of the weather, whereas certain highways and community centers are also closed.
At the same time Canterbury officials have announced a emergency situation, to facilitate emergency management operations.
Labor Protests Alongside Extreme Conditions
The wild winds on Thursday coincide with numerous of teachers, doctors and other public workers are engaged in what has been termed a "significant labor action", demanding better pay and working conditions.
But the extreme weather has compelled them to change various scheduled activities, with some outdoor rallies moved indoors or cancelled.
Like conditions are affecting the nearby nation, causing a heatwave to the nation's interior regions.
Officials have issued fire bans for apprehension regarding wildfires.