Intense gusts attaining velocities of up to 155km/h (96mph) have caused approximately 90,000 homes without power and led authorities to call off over 100 aircraft departures, based on domestic outlets.
The gales are impacting the entire southern region and southern parts of the northern region, per the weather forecasting body.
The nation's agencies have released rare high-level wind alerts - the highest alert level - in core zones encompassing Wellington and Canterbury.
People have been urged to stay indoors, stay off roads, and get ready for more electricity and network failures.
Extensive Impact and Crisis Measures
This outage is primarily influencing homes mostly in the South Island, although officials report that energy was being restored progressively.
Local media have indicated that in some places homes have lost their roofs, while power lines and trees have been brought down by the gusts.
Across Wellington, a person was killed after being hit by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was pushed toward oncoming traffic on a thoroughfare by a powerful blast, in a incident that was recorded in a popular vehicle recording.
Aircraft services in and out of the metropolis have been cancelled because of the weather, whereas various routes and public facilities are shut down.
At the same time local leaders have declared a emergency situation, to assist disaster response efforts.
Strike Action Alongside Severe Weather
The wild winds on this day occur while tens of thousands of school staff, physicians and civil servants take part in what has been described as a "significant labor action", calling for higher wages and enhanced employment terms.
Yet the severe conditions has forced them to alter certain arrangements, with various open-air gatherings shifted to interior venues or cancelled.
Comparable winds are affecting the neighboring country, bringing a high-temperature event to the country's outback.
Officials have declared fire bans for concern about bushfires.
