Powerful gales hitting speeds of approximately 155km/h (96mph) have resulted in approximately 90,000 homes experiencing outages and led authorities to halt in excess of 100 flights, according to domestic outlets.
These gusts are affecting the whole southern region and lower areas of the North Island, according to the country's meteorological service.
The nation's agencies have released uncommon high-level wind alerts - the highest alert level - in key areas including Canterbury and Wellington.
People have been urged to avoid going outside, stay off roads, and get ready for more utility disruptions.
Widespread Impact and Crisis Response
The electricity loss appears to be affecting households mainly in the South Island, though authorities report that energy was being gradually reinstated.
Local media have reported that in some places homes have lost their roofs, while trees and electricity poles have been knocked down by the gusts.
In Wellington, a individual was killed after being hit by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was pushed toward approaching vehicles on a road by a powerful blast, in a incident that was filmed in a popular vehicle recording.
Air travel to and from the metropolis have been halted due to the weather, whereas certain highways and community centers are also closed.
At the same time authorities in Canterbury have issued a crisis declaration, to support disaster response efforts.
Strike Action Amid Extreme Weather
These intense gusts on this day coincide with many of school staff, physicians and civil servants are engaged in what has been termed a "major walkout", calling for better pay and working conditions.
However the extreme weather has pressured them to change various scheduled activities, with several external protests relocated inside or abandoned.
Comparable winds are affecting the neighboring country, bringing a heatwave to the remote areas.
Agencies have declared burning restrictions for fear of wildfires.
