Severe gusts attaining velocities of as high as 155km/h (96mph) have caused nearly 90,000 properties lacking electricity and led authorities to cancel more than 100 aircraft departures, according to local media.
The gales are influencing the complete South Island and southern parts of the northern region, according to the weather forecasting body.
The nation's agencies have issued uncommon severe gust advisories - the highest alert level - in key areas encompassing Canterbury and Wellington.
People have been encouraged to avoid going outside, avoid travel, and prepare for further electricity and network failures.
Extensive Damage and Crisis Measures
The electricity loss is primarily influencing households predominantly in the South Island, though agencies report that energy was being restored progressively.
Local media have reported that in certain areas structures have suffered roof damage, while power lines and trees have been toppled by the gusts.
In Wellington, a man was lost his life after being struck by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a individual was swept into oncoming traffic on a thoroughfare by a strong gust of wind, in a incident that was recorded in a widely shared car camera footage.
Air travel to and from the metropolis have been suspended as a result of the weather, whereas various routes and public facilities are not operating.
At the same time authorities in Canterbury have declared a state of emergency, to facilitate recovery activities.
Strike Action Alongside Extreme Weather
These intense gusts on today come as numerous of educators, medical professionals and government employees take part in what has been called a "significant labor action", demanding improved salaries and workplace environments.
However the intense climate has compelled them to change some of their plans, with various open-air gatherings shifted to interior venues or cancelled.
Comparable winds are also sweeping the nearby nation, ushering in a heatwave to the nation's interior regions.
Authorities have issued fire bans for fear of forest fires.
