Severe gusts attaining velocities of up to 155km/h (96mph) have caused around 90,000 households lacking electricity and compelled agencies to halt in excess of 100 flights, based on domestic outlets.
The winds are affecting the whole South Island and lower areas of the North Island, as stated by the country's meteorological service.
The nation's agencies have released infrequent red wind warnings - the most severe warning - in key areas including Canterbury and Wellington.
Locals have been urged to remain inside, avoid travel, and prepare for additional power and communication outages.
Widespread Destruction and Emergency Response
The power cut seems to be impacting homes mostly in the South Island, although officials say that power was being restored progressively.
Domestic outlets have indicated that in certain areas structures have suffered roof damage, whereas trees and electricity poles have been brought down by the gales.
Across Wellington, a individual was lost his life after being struck by a tree branch at a popular trail walking spot on earlier this week.
Also in the capital, a woman was pushed toward approaching vehicles on a thoroughfare by a strong gust of wind, in a event that was filmed in a widely shared car camera footage.
Flights to and from the urban area have been halted because of the gusts, and some roads and libraries are not operating.
Simultaneously Canterbury officials have announced a state of emergency, to assist emergency management operations.
Strike Action Alongside Harsh Weather
The wild winds on today coincide with many of teachers, doctors and other public workers take part in what has been called a "significant labor action", demanding improved salaries and workplace environments.
But the extreme weather has pressured them to alter various scheduled activities, with some outdoor rallies relocated inside or cancelled.
Like conditions are impacting Australia, causing a heatwave to the nation's interior regions.
Officials have announced flame prohibitions for fear of forest fires.