Powerful winds attaining velocities of as high as 155km/h (96mph) have left nearly 90,000 homes without power and compelled authorities to cancel more than 100 air travel services, according to regional news sources.
The gales are affecting the whole southern region and lower areas of the northern region, as stated by the country's meteorological service.
The nation's agencies have issued infrequent red wind warnings - the most severe warning - in core zones encompassing Wellington and Canterbury.
People have been advised to avoid going outside, stay off roads, and get ready for additional power and communication outages.
Widespread Impact and Emergency Response
The electricity loss is primarily influencing homes predominantly in the South Island, although agencies report that energy was being slowly brought back.
Regional news have indicated that in some places roofs have been ripped off houses, whereas trees and electricity poles have been toppled by the winds.
In Wellington, a man was killed after being struck by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a individual was pushed toward moving cars on a road by a intensive burst, in a incident that was filmed in a viral dashcam video.
Aircraft services in and out of the urban area have been halted as a result of the gusts, whereas certain highways and community centers are shut down.
At the same time authorities in Canterbury have issued a state of emergency, to support recovery activities.
Work Stoppages Amid Extreme Conditions
The wild winds on this day come as tens of thousands of educators, medical professionals and government employees take part in what has been described as a "significant labor action", calling for higher wages and enhanced employment terms.
But the severe conditions has pressured them to modify certain arrangements, with some outdoor rallies shifted to interior venues or cancelled.
Like conditions are impacting the nearby nation, bringing a period of extreme heat to the country's outback.
Officials have announced fire bans for concern about forest fires.