Severe gusts reaching speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 households without power and compelled officials to cancel more than 100 aircraft departures, according to local media.
The winds are impacting the entire South Island and lower areas of the North Island, according to the weather forecasting body.
The nation's agencies have announced uncommon severe gust advisories - the top caution category - in key areas including Canterbury and Wellington.
People have been encouraged to remain inside, stay off roads, and prepare for additional power and communication outages.
Widespread Impact and Emergency Response
This outage seems to be impacting residences mostly in the South Island, while officials say that power was being gradually reinstated.
Regional news have stated that in certain areas structures have suffered roof damage, and trees and electricity poles have been toppled by the gusts.
In Wellington, a individual was lost his life after being struck by a tree branch at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was blown onto approaching vehicles on a street by a strong gust of wind, in a event that was recorded in a viral dashcam video.
Air travel in and out of the urban area have been halted as a result of the winds, and some roads and libraries are shut down.
Meanwhile authorities in Canterbury have declared a state of emergency, to support emergency management operations.
Work Stoppages Alongside Harsh Weather
The powerful gales on this day occur while numerous of educators, medical professionals and government employees are participating in what has been called a "major walkout", requesting improved salaries and workplace environments.
However the extreme weather has pressured them to alter some of their plans, with several external protests moved indoors or abandoned.
Similar gusts are impacting the neighboring country, bringing a high-temperature event to the remote areas.
Officials have announced burning restrictions for apprehension regarding forest fires.
