Intense gales hitting velocities of as high as 155km/h (96mph) have left nearly 90,000 properties lacking electricity and compelled agencies to halt over 100 aircraft departures, according to local media.
The winds are impacting the whole southern region and lower areas of the northern region, per the weather forecasting body.
The nation's agencies have announced uncommon high-level wind alerts - the highest alert level - in core zones encompassing these major districts.
Residents have been urged to avoid going outside, stay off roads, and prepare for further electricity and network failures.
Extensive Destruction and Crisis Response
This outage seems to be impacting homes mostly in the southern region, while authorities state that the electricity supply was being gradually reinstated.
Regional news have indicated that in certain areas roofs have been ripped off houses, and power lines and trees have been brought down by the winds.
In Wellington, a person was lost his life after being impacted by a tree branch at a popular trail walking spot on Tuesday.
Also in the capital, a individual was pushed toward approaching vehicles on a thoroughfare by a intensive burst, in a incident that was captured in a popular vehicle recording.
Flights entering and leaving the urban area have been suspended due to the winds, and certain highways and community centers are not operating.
Meanwhile authorities in Canterbury have declared a emergency situation, to assist disaster response efforts.
Strike Action Amid Severe Weather
The wild winds on this day come as numerous of educators, medical professionals and government employees are participating in what has been described as a "mega strike", calling for improved salaries and workplace environments.
But the extreme weather has compelled them to change some of their plans, with some outdoor rallies moved indoors or abandoned.
Similar gusts are impacting the nearby nation, bringing a period of extreme heat to the country's outback.
Authorities have announced burning restrictions for concern about bushfires.
