Powerful gusts attaining velocities of up to 155km/h (96mph) have left nearly 90,000 households lacking electricity and compelled agencies to cancel more than 100 flights, according to local media.
These gusts are affecting the whole South Island and southern parts of the northern region, per the country's meteorological service.
The nation's agencies have issued infrequent high-level wind alerts - the top caution category - in key areas encompassing Canterbury and Wellington.
People have been advised to remain inside, stay off roads, and prepare for additional utility disruptions.
Broad Destruction and Crisis Response
The power cut appears to be affecting residences mainly in the South Island, while authorities report that the electricity supply was being gradually reinstated.
Regional news have indicated that in some places roofs have been ripped off houses, and utility poles and vegetation have been knocked down by the winds.
In Wellington, a man was killed after being impacted by a tree branch at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a individual was pushed toward oncoming traffic on a road by a intensive burst, in a moment that was filmed in a viral dashcam video.
Aircraft services entering and leaving the urban area have been suspended because of the winds, and various routes and public facilities are shut down.
At the same time Canterbury officials have declared a crisis declaration, to facilitate disaster response efforts.
Labor Protests Alongside Extreme Conditions
The powerful gales on this day come as tens of thousands of school staff, physicians and civil servants are engaged in what has been called a "major walkout", demanding better pay and working conditions.
However the intense climate has pressured them to alter various scheduled activities, with several external protests relocated inside or called off.
Like conditions are impacting the neighboring country, bringing a period of extreme heat to the remote areas.
Agencies have announced burning restrictions for concern about bushfires.
