Intense gales hitting speeds of approximately 155km/h (96mph) have caused around 90,000 homes lacking electricity and led officials to halt in excess of 100 flights, based on local media.
These gusts are affecting the complete South Island and lower areas of the northern region, per the country's meteorological service.
New Zealand authorities have announced rare high-level wind alerts - the most severe warning - in core zones such as Wellington and Canterbury.
Residents have been encouraged to avoid going outside, stay off roads, and prepare for additional utility disruptions.
Widespread Destruction and Crisis Measures
The electricity loss is primarily influencing households mainly in the southern region, although agencies report that energy was being gradually reinstated.
Domestic outlets have indicated that in various locations structures have suffered roof damage, while utility poles and vegetation have been knocked down by the gales.
Within the capital, a man was killed after being hit by a tree branch at a well-known hiking path on Tuesday.
Also in the capital, a female was blown onto oncoming traffic on a thoroughfare by a powerful blast, in a moment that was recorded in a viral dashcam video.
Air travel in and out of the city have been cancelled as a result of the weather, while some roads and libraries are shut down.
At the same time authorities in Canterbury have declared a emergency situation, to support emergency management operations.
Strike Action Alongside Severe Weather
These intense gusts on this day coincide with many of educators, medical professionals and government employees are participating in what has been called a "mega strike", demanding better pay and working conditions.
However the intense climate has pressured them to change various scheduled activities, with several external protests moved indoors or abandoned.
Like conditions are impacting Australia, bringing a heatwave to the nation's interior regions.
Officials have issued burning restrictions for apprehension regarding wildfires.
