Severe gales attaining speeds of approximately 155km/h (96mph) have caused around 90,000 properties without power and forced officials to cancel more than 100 flights, as reported by domestic outlets.
The winds are influencing the entire South Island and southern sections of the North Island, according to the weather forecasting body.
Officials in New Zealand have released uncommon high-level wind alerts - the highest alert level - in central regions encompassing Canterbury and Wellington.
Locals have been advised to remain inside, avoid travel, and make arrangements for additional electricity and network failures.
Widespread Destruction and Emergency Response
This outage is primarily influencing households mainly in the South Island, while agencies report that power was being restored progressively.
Local media have reported that in various locations homes have lost their roofs, and trees and electricity poles have been knocked down by the gusts.
In Wellington, a man was fatally injured after being struck by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was pushed toward approaching vehicles on a road by a powerful blast, in a incident that was filmed in a popular vehicle recording.
Flights in and out of the metropolis have been suspended as a result of the winds, and various routes and public facilities are also closed.
At the same time local leaders have issued a state of emergency, to assist recovery activities.
Strike Action During Extreme Conditions
The powerful gales on this day occur while numerous of educators, medical professionals and government employees are engaged in what has been called a "mega strike", calling for improved salaries and workplace environments.
Yet the severe conditions has forced them to change some of their plans, with some outdoor rallies shifted to interior venues or cancelled.
Comparable winds are affecting Australia, causing a period of extreme heat to the nation's interior regions.
Officials have issued flame prohibitions for apprehension regarding forest fires.
