Intense gusts hitting speeds of approximately 155km/h (96mph) have caused approximately 90,000 properties without power and forced officials to call off over 100 air travel services, according to local media.
The gales are impacting the entire South Island and southern sections of the North Island, according to the country's meteorological service.
The nation's agencies have issued uncommon severe gust advisories - the most severe warning - in central regions including Wellington and Canterbury.
Residents have been urged to avoid going outside, refrain from journeys, and prepare for more power and communication outages.
Extensive Damage and Emergency Response
This outage appears to be affecting residences mostly in the southern region, though officials report that the electricity supply was being slowly brought back.
Domestic outlets have stated that in some places homes have lost their roofs, and power lines and trees have been knocked down by the gales.
In Wellington, a individual was fatally injured after being hit by a tree branch at a popular trail walking spot on earlier this week.
Also in the capital, a female was swept into oncoming traffic on a thoroughfare by a strong gust of wind, in a moment that was filmed in a widely shared car camera footage.
Air travel to and from the urban area have been suspended as a result of the weather, and some roads and libraries are not operating.
Meanwhile local leaders have announced a emergency situation, to facilitate recovery activities.
Labor Protests During Harsh Conditions
The wild winds on this day come as tens of thousands of educators, medical professionals and government employees are participating in what has been described as a "significant labor action", requesting improved salaries and workplace environments.
But the intense climate has pressured them to change some of their plans, with some outdoor rallies moved indoors or called off.
Similar gusts are affecting Australia, ushering in a high-temperature event to the remote areas.
Agencies have issued burning restrictions for concern about bushfires.
