Powerful gales attaining speeds of as high as 155km/h (96mph) have caused around 90,000 homes experiencing outages and led officials to call off more than 100 air travel services, according to regional news sources.
The gales are influencing the whole South Island and southern sections of the North Island, per the country's meteorological service.
The nation's agencies have announced infrequent high-level wind alerts - the top caution category - in core zones encompassing Wellington and Canterbury.
People have been advised to remain inside, avoid travel, and get ready for additional power and communication outages.
Widespread Destruction and Emergency Measures
This outage seems to be impacting homes mostly in the South Island, although authorities say that the electricity supply was being restored progressively.
Regional news have reported that in certain areas homes have lost their roofs, and utility poles and vegetation have been knocked down by the winds.
In Wellington, a man was fatally injured after being hit by a tree branch at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was blown onto moving cars on a thoroughfare by a powerful blast, in a moment that was filmed in a viral dashcam video.
Air travel entering and leaving the urban area have been suspended as a result of the weather, while certain highways and community centers are also closed.
Meanwhile local leaders have declared a crisis declaration, to facilitate emergency management operations.
Labor Protests During Extreme Weather
The wild winds on this day come as tens of thousands of teachers, doctors and other public workers are engaged in what has been described as a "significant labor action", calling for better pay and working conditions.
But the intense climate has compelled them to alter some of their plans, with some outdoor rallies moved indoors or abandoned.
Like conditions are affecting Australia, ushering in a heatwave to the country's outback.
Authorities have issued burning restrictions for apprehension regarding bushfires.