Intense gusts reaching velocities of as high as 155km/h (96mph) have resulted in nearly 90,000 households without power and led officials to cancel over 100 flights, according to regional news sources.
These gusts are affecting the whole southern region and southern parts of the North Island, as stated by the weather forecasting body.
The nation's agencies have released infrequent red wind warnings - the top caution category - in key areas including Canterbury and Wellington.
Residents have been encouraged to remain inside, avoid travel, and make arrangements for further power and communication outages.
Extensive Destruction and Crisis Measures
The power cut seems to be impacting homes mostly in the southern region, though authorities report that the electricity supply was being slowly brought back.
Local media have indicated that in some places structures have suffered roof damage, and trees and electricity poles have been brought down by the winds.
In Wellington, a individual was fatally injured after being struck by a wooden fragment at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was swept into approaching vehicles on a road by a strong gust of wind, in a incident that was recorded in a popular vehicle recording.
Aircraft services to and from the metropolis have been halted as a result of the weather, and various routes and public facilities are shut down.
Simultaneously Canterbury officials have announced a state of emergency, to support disaster response efforts.
Work Stoppages Alongside Severe Conditions
These intense gusts on this day occur while tens of thousands of school staff, physicians and civil servants are engaged in what has been described as a "major walkout", requesting better pay and working conditions.
However the extreme weather has compelled them to alter some of their plans, with various open-air gatherings shifted to interior venues or abandoned.
Similar gusts are impacting the nearby nation, bringing a period of extreme heat to the country's outback.
Agencies have announced burning restrictions for concern about forest fires.
