Severe gusts attaining velocities of as high as 155km/h (96mph) have resulted in nearly 90,000 households without power and led officials to call off over 100 air travel services, according to regional news sources.
The winds are influencing the whole South Island and southern sections of the North Island, according to the national weather agency.
New Zealand authorities have released rare severe gust advisories - the highest alert level - in key areas encompassing Wellington and Canterbury.
Locals have been encouraged to stay indoors, avoid travel, and get ready for more electricity and network failures.
Widespread Damage and Emergency Response
The power cut is primarily influencing residences predominantly in the southern region, while agencies report that power was being restored progressively.
Regional news have stated that in some places structures have suffered roof damage, while trees and electricity poles have been knocked down by the winds.
In Wellington, a individual was killed after being impacted by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was swept into moving cars on a road by a powerful blast, in a incident that was captured in a widely shared car camera footage.
Air travel in and out of the urban area have been cancelled as a result of the weather, whereas certain highways and community centers are not operating.
Meanwhile Canterbury officials have issued a state of emergency, to facilitate emergency management operations.
Work Stoppages Amid Extreme Weather
The powerful gales on this day come as many of educators, medical professionals and government employees are participating in what has been termed a "mega strike", demanding improved salaries and workplace environments.
However the severe conditions has compelled them to change some of their plans, with several external protests shifted to interior venues or cancelled.
Like conditions are impacting the nearby nation, bringing a high-temperature event to the remote areas.
Agencies have announced burning restrictions for apprehension regarding bushfires.
