Powerful gusts reaching speeds of approximately 155km/h (96mph) have left approximately 90,000 households lacking electricity and led agencies to cancel over 100 air travel services, according to domestic outlets.
The winds are impacting the complete South Island and southern parts of the North Island, according to the weather forecasting body.
The nation's agencies have announced uncommon high-level wind alerts - the top caution category - in key areas including Wellington and Canterbury.
Locals have been urged to remain inside, refrain from journeys, and get ready for more utility disruptions.
Broad Destruction and Emergency Measures
The power cut seems to be impacting homes mostly in the South Island, while authorities say that power was being slowly brought back.
Regional news have stated that in certain areas roofs have been ripped off houses, and power lines and trees have been brought down by the winds.
Across Wellington, a person was killed after being struck by a wooden fragment at a popular trail walking spot on Tuesday.
Additionally in the city, a female was swept into oncoming traffic on a thoroughfare by a strong gust of wind, in a moment that was recorded in a popular vehicle recording.
Flights to and from the urban area have been cancelled as a result of the winds, whereas some roads and libraries are also closed.
Meanwhile local leaders have announced a crisis declaration, to support recovery activities.
Labor Protests During Extreme Conditions
The wild winds on this day coincide with tens of thousands of educators, medical professionals and government employees are engaged in what has been termed a "significant labor action", requesting better pay and working conditions.
However the intense climate has forced them to change some of their plans, with several external protests moved indoors or cancelled.
Comparable winds are also sweeping Australia, ushering in a heatwave to the nation's interior regions.
Authorities have declared burning restrictions for fear of bushfires.
