Powerful gusts reaching velocities of approximately 155km/h (96mph) have caused approximately 90,000 properties without power and led agencies to halt over 100 air travel services, based on local media.
The winds are influencing the complete South Island and lower areas of the northern region, according to the national weather agency.
Officials in New Zealand have announced rare high-level wind alerts - the highest alert level - in central regions such as Wellington and Canterbury.
People have been encouraged to remain inside, refrain from journeys, and prepare for more utility disruptions.
Extensive Impact and Emergency Measures
This outage is primarily influencing residences predominantly in the South Island, while authorities state that power was being gradually reinstated.
Regional news have indicated that in certain areas roofs have been ripped off houses, and power lines and trees have been toppled by the gusts.
Within the capital, a person was killed after being struck by a falling limb at a well-known hiking path on Tuesday.
Additionally in the city, a female was pushed toward approaching vehicles on a road by a strong gust of wind, in a moment that was recorded in a widely shared car camera footage.
Air travel in and out of the city have been halted as a result of the winds, and various routes and public facilities are also closed.
Simultaneously local leaders have declared a crisis declaration, to facilitate recovery activities.
Strike Action Amid Extreme Conditions
The wild winds on today occur while numerous of teachers, doctors and other public workers are participating in what has been called a "significant labor action", calling for improved salaries and workplace environments.
However the severe conditions has forced them to alter various scheduled activities, with some outdoor rallies relocated inside or cancelled.
Like conditions are also sweeping the nearby nation, causing a period of extreme heat to the nation's interior regions.
Agencies have issued fire bans for apprehension regarding bushfires.
