Intense gusts reaching velocities of as high as 155km/h (96mph) have caused around 90,000 households without power and forced agencies to cancel in excess of 100 aircraft departures, based on local media.
These gusts are influencing the complete southern region and southern parts of the North Island, per the country's meteorological service.
The nation's agencies have issued rare red wind warnings - the most severe warning - in central regions such as Wellington and Canterbury.
People have been advised to remain inside, stay off roads, and make arrangements for more power and communication outages.
Widespread Impact and Crisis Measures
This outage is primarily influencing households mainly in the South Island, though agencies report that energy was being gradually reinstated.
Domestic outlets have indicated that in certain areas structures have suffered roof damage, while trees and electricity poles have been knocked down by the gales.
Across Wellington, a person was fatally injured after being struck by a falling limb at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was blown onto moving cars on a thoroughfare by a strong gust of wind, in a incident that was filmed in a widely shared car camera footage.
Air travel to and from the urban area have been suspended due to the gusts, and various routes and public facilities are not operating.
At the same time authorities in Canterbury have declared a crisis declaration, to support emergency management operations.
Strike Action Amid Severe Conditions
These intense gusts on this day come as numerous of educators, medical professionals and government employees are engaged in what has been termed a "mega strike", requesting higher wages and enhanced employment terms.
But the severe conditions has forced them to change some of their plans, with various open-air gatherings relocated inside or abandoned.
Like conditions are also sweeping the nearby nation, causing a high-temperature event to the country's outback.
Officials have declared burning restrictions for concern about bushfires.
