Severe winds reaching velocities of approximately 155km/h (96mph) have caused approximately 90,000 homes experiencing outages and forced officials to cancel in excess of 100 air travel services, according to domestic outlets.
The winds are influencing the entire southern region and southern parts of the northern region, according to the country's meteorological service.
New Zealand authorities have released uncommon red wind warnings - the highest alert level - in core zones encompassing Canterbury and Wellington.
People have been encouraged to stay indoors, avoid travel, and prepare for additional power and communication outages.
Extensive Impact and Emergency Response
The power cut is primarily influencing homes predominantly in the South Island, while authorities state that the electricity supply was being gradually reinstated.
Regional news have reported that in some places homes have lost their roofs, while power lines and trees have been knocked down by the winds.
In Wellington, a individual was fatally injured after being struck by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was pushed toward oncoming traffic on a thoroughfare by a powerful blast, in a moment that was filmed in a viral dashcam video.
Air travel to and from the metropolis have been cancelled due to the winds, while some roads and libraries are shut down.
Simultaneously authorities in Canterbury have issued a emergency situation, to facilitate emergency management operations.
Labor Protests During Extreme Weather
The wild winds on Thursday coincide with many of teachers, doctors and other public workers are participating in what has been described as a "mega strike", calling for improved salaries and workplace environments.
But the extreme weather has pressured them to alter various scheduled activities, with various open-air gatherings moved indoors or cancelled.
Similar gusts are also sweeping the neighboring country, ushering in a period of extreme heat to the remote areas.
Authorities have announced fire bans for fear of wildfires.