Severe winds hitting speeds of as high as 155km/h (96mph) have caused around 90,000 properties without power and led agencies to cancel in excess of 100 air travel services, as reported by domestic outlets.
These gusts are influencing the entire southern region and southern parts of the North Island, as stated by the weather forecasting body.
Officials in New Zealand have announced rare severe gust advisories - the top caution category - in key areas encompassing these major districts.
Locals have been advised to remain inside, stay off roads, and prepare for additional utility disruptions.
Extensive Impact and Emergency Measures
This outage is primarily influencing homes mostly in the southern region, though agencies report that power was being gradually reinstated.
Domestic outlets have stated that in various locations homes have lost their roofs, while utility poles and vegetation have been knocked down by the gales.
Within the capital, a person was fatally injured after being struck by a wooden fragment at a well-known hiking path on earlier this week.
Also in the capital, a woman was blown onto moving cars on a street by a intensive burst, in a incident that was filmed in a viral dashcam video.
Aircraft services entering and leaving the metropolis have been cancelled as a result of the winds, and some roads and libraries are also closed.
Meanwhile authorities in Canterbury have issued a crisis declaration, to assist disaster response efforts.
Strike Action Alongside Extreme Weather
The wild winds on today coincide with numerous of teachers, doctors and other public workers take part in what has been called a "significant labor action", calling for improved salaries and workplace environments.
But the extreme weather has compelled them to alter certain arrangements, with various open-air gatherings moved indoors or called off.
Comparable winds are impacting the nearby nation, ushering in a heatwave to the country's outback.
Agencies have declared flame prohibitions for apprehension regarding bushfires.