Severe gusts reaching speeds of approximately 155km/h (96mph) have caused nearly 90,000 homes lacking electricity and led authorities to cancel in excess of 100 air travel services, according to regional news sources.
The winds are impacting the whole South Island and southern parts of the northern region, as stated by the country's meteorological service.
The nation's agencies have announced infrequent severe gust advisories - the most severe warning - in key areas such as Wellington and Canterbury.
Locals have been urged to avoid going outside, avoid travel, and get ready for additional utility disruptions.
Broad Damage and Emergency Response
The electricity loss appears to be affecting residences mostly in the southern region, although agencies report that the electricity supply was being slowly brought back.
Local media have reported that in some places roofs have been ripped off houses, while trees and electricity poles have been knocked down by the gales.
In Wellington, a man was killed after being struck by a wooden fragment at a popular trail walking spot on Tuesday.
Also in the capital, a individual was swept into moving cars on a street by a powerful blast, in a incident that was filmed in a popular vehicle recording.
Air travel in and out of the metropolis have been cancelled because of the winds, and various routes and public facilities are also closed.
Meanwhile Canterbury officials have announced a state of emergency, to support disaster response efforts.
Strike Action Alongside Harsh Conditions
The powerful gales on today coincide with tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "major walkout", demanding higher wages and enhanced employment terms.
But the intense climate has forced them to change some of their plans, with some outdoor rallies shifted to interior venues or called off.
Comparable winds are impacting the neighboring country, ushering in a heatwave to the country's outback.
Agencies have announced burning restrictions for concern about wildfires.
