Intense winds hitting speeds of up to 155km/h (96mph) have resulted in nearly 90,000 homes experiencing outages and led officials to call off over 100 air travel services, according to domestic outlets.
The gales are affecting the whole southern region and southern sections of the northern region, according to the weather forecasting body.
Officials in New Zealand have released uncommon high-level wind alerts - the highest alert level - in core zones including these major districts.
Residents have been advised to stay indoors, refrain from journeys, and prepare for further electricity and network failures.
Widespread Destruction and Crisis Measures
This outage is primarily influencing households mainly in the southern region, while authorities say that energy was being gradually reinstated.
Domestic outlets have stated that in various locations homes have lost their roofs, and trees and electricity poles have been brought down by the winds.
Across Wellington, a individual was lost his life after being impacted by a falling limb at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was blown onto oncoming traffic on a road by a strong gust of wind, in a moment that was recorded in a widely shared car camera footage.
Air travel in and out of the urban area have been cancelled as a result of the winds, and some roads and libraries are not operating.
Meanwhile local leaders have issued a crisis declaration, to facilitate disaster response efforts.
Labor Protests Alongside Harsh Conditions
These intense gusts on this day come as numerous of teachers, doctors and other public workers are engaged in what has been described as a "major walkout", 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 abandoned.
Comparable winds are impacting Australia, ushering in a high-temperature event to the nation's interior regions.
Officials have issued burning restrictions for fear of bushfires.
