Intense gales attaining velocities of approximately 155km/h (96mph) have caused nearly 90,000 homes without power and forced authorities to halt more than 100 flights, based on domestic outlets.
The winds are influencing the entire southern region and southern sections of the North Island, according to the national weather agency.
Officials in New Zealand have announced rare red wind warnings - the most severe warning - in central regions encompassing Wellington and Canterbury.
People have been urged to remain inside, avoid travel, and make arrangements for further electricity and network failures.
Widespread Destruction and Emergency Response
The electricity loss is primarily influencing homes mostly in the South Island, although authorities report that the electricity supply was being restored progressively.
Local media have reported that in various locations roofs have been ripped off houses, while trees and electricity poles have been toppled by the gales.
In Wellington, a person was fatally injured after being impacted by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a woman was swept into oncoming traffic on a street by a strong gust of wind, in a moment that was recorded in a widely shared car camera footage.
Aircraft services in and out of the urban area have been cancelled due to the weather, while certain highways and community centers are not operating.
At the same time authorities in Canterbury have issued a emergency situation, to support disaster response efforts.
Work Stoppages Alongside Extreme Conditions
These intense gusts on Thursday come as tens of thousands of educators, medical professionals and government employees take part in what has been termed a "major walkout", demanding higher wages and enhanced employment terms.
Yet the intense climate has pressured them to modify various scheduled activities, with some outdoor rallies moved indoors or called off.
Similar gusts are impacting the neighboring country, causing a heatwave to the remote areas.
Authorities have issued fire bans for apprehension regarding wildfires.
