Intense winds reaching velocities of as high as 155km/h (96mph) have resulted in approximately 90,000 households lacking electricity and forced agencies to cancel over 100 air travel services, according to regional news sources.
The gales are influencing the complete South Island and southern parts of the North Island, according to the weather forecasting body.
Officials in New Zealand have announced uncommon high-level wind alerts - the highest alert level - in core zones including these major districts.
Residents have been urged to stay indoors, refrain from journeys, and prepare for further utility disruptions.
Broad Destruction and Crisis Measures
The power cut is primarily influencing residences mainly in the southern region, while officials state that the electricity supply was being restored progressively.
Local media have reported that in certain areas roofs have been ripped off houses, whereas power lines and trees have been brought down by the gales.
In Wellington, a individual was killed after being hit by a tree branch at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a female was swept into moving cars on a street by a powerful blast, in a moment that was captured in a widely shared car camera footage.
Aircraft services in and out of the urban area have been suspended as a result of the gusts, and certain highways and community centers are shut down.
At the same time Canterbury officials have announced a state of emergency, to facilitate recovery activities.
Work Stoppages Amid Harsh Weather
The wild winds on today occur while numerous of school staff, physicians and civil servants take part in what has been termed a "significant labor action", requesting higher wages and enhanced employment terms.
But the intense climate has pressured them to modify certain arrangements, with several external protests moved indoors or cancelled.
Similar gusts are also sweeping the nearby nation, ushering in a period of extreme heat to the nation's interior regions.
Authorities have issued flame prohibitions for concern about bushfires.
