Powerful gusts reaching speeds of approximately 155km/h (96mph) have left around 90,000 homes experiencing outages and compelled agencies to cancel more than 100 air travel services, based on regional news sources.
The gales are influencing the whole southern region and southern parts of the North Island, according to the weather forecasting body.
Officials in New Zealand have announced infrequent high-level wind alerts - the highest alert level - in core zones encompassing Canterbury and Wellington.
Residents have been urged to avoid going outside, stay off roads, and prepare for more utility disruptions.
Extensive Impact and Emergency Response
The power cut is primarily influencing homes mostly in the southern region, while agencies report that power was being gradually reinstated.
Domestic outlets have reported that in various locations roofs have been ripped off houses, and power lines and trees have been brought down by the gusts.
In Wellington, a person was lost his life after being hit by a falling limb at a popular trail walking spot on earlier this week.
Additionally in the city, a female was swept into moving cars on a road by a powerful blast, in a moment that was captured in a viral dashcam video.
Aircraft services in and out of the metropolis have been suspended because of the weather, while some roads and libraries are also closed.
Meanwhile Canterbury officials have announced a crisis declaration, to assist recovery activities.
Work Stoppages Amid Harsh Conditions
The wild winds on this day come as numerous of educators, medical professionals and government employees take part in what has been termed a "major walkout", requesting higher wages and enhanced employment terms.
But the intense climate has pressured them to modify various scheduled activities, with some outdoor rallies relocated inside or called off.
Like conditions are affecting the neighboring country, ushering in a high-temperature event to the country's outback.
Authorities have announced burning restrictions for apprehension regarding forest fires.
