Powerful gusts reaching speeds of approximately 155km/h (96mph) have resulted in around 90,000 properties without power and forced agencies to cancel in excess of 100 flights, according to local media.
The gales are affecting the entire southern region and southern parts of the North Island, as stated by the weather forecasting body.
New Zealand authorities have released infrequent red wind warnings - the highest alert level - in central regions encompassing Wellington and Canterbury.
People have been advised to remain inside, avoid travel, and prepare for additional power and communication outages.
Broad Destruction and Crisis Measures
The electricity loss seems to be impacting homes predominantly in the South Island, while authorities say that power was being restored progressively.
Regional news have reported that in various locations structures have suffered roof damage, and trees and electricity poles have been brought down by the winds.
Within the capital, a individual was fatally injured after being hit by a tree branch at a well-known hiking path on earlier this week.
Additionally in the city, a woman was swept into approaching vehicles on a thoroughfare by a strong gust of wind, in a moment that was captured in a popular vehicle recording.
Flights to and from the metropolis have been cancelled because of the winds, while various routes and public facilities are also closed.
Simultaneously local leaders have declared a crisis declaration, to facilitate recovery activities.
Strike Action Amid Harsh Weather
These intense gusts on this day come as tens of thousands of school staff, physicians and civil servants are engaged in what has been described as a "mega strike", requesting better pay and working conditions.
But the severe conditions has pressured them to change some of their plans, with several external protests relocated inside or called off.
Similar gusts are affecting the neighboring country, bringing a period of extreme heat to the remote areas.
Officials have declared flame prohibitions for apprehension regarding forest fires.
