Powerful gusts hitting velocities of as high as 155km/h (96mph) have left around 90,000 homes lacking electricity and forced agencies to halt over 100 air travel services, as reported by regional news sources.
The winds are affecting the whole South Island and southern parts of the northern region, per the weather forecasting body.
The nation's agencies have issued rare severe gust advisories - the top caution category - in core zones encompassing these major districts.
Locals have been urged to avoid going outside, refrain from journeys, and make arrangements for more utility disruptions.
Broad Impact and Crisis Measures
The power cut seems to be impacting households mostly in the southern region, though agencies report that power was being gradually reinstated.
Domestic outlets have reported that in certain areas structures have suffered roof damage, and utility poles and vegetation have been brought down by the winds.
In Wellington, a man was lost his life after being struck by a falling limb at a frequent walking route on earlier this week.
Additionally in the city, a individual was blown onto moving cars on a road by a powerful blast, in a incident that was captured in a viral dashcam video.
Flights entering and leaving the metropolis have been suspended because of the gusts, and certain highways and community centers are also closed.
Meanwhile Canterbury officials have issued a crisis declaration, to assist disaster response efforts.
Labor Protests Amid Harsh Weather
The wild winds on today occur while many of teachers, doctors and other public workers are participating in what has been described as a "significant labor action", demanding improved salaries and workplace environments.
However the intense climate has forced them to alter some of their plans, with various open-air gatherings shifted to interior venues or abandoned.
Comparable winds are impacting the nearby nation, ushering in a heatwave to the nation's interior regions.
Officials have declared flame prohibitions for apprehension regarding forest fires.
