Intense winds hitting velocities of as high as 155km/h (96mph) have resulted in approximately 90,000 households without power and led agencies to call off in excess of 100 aircraft departures, as reported by regional news sources.
The winds are affecting the whole South Island and lower areas of the northern region, according to the weather forecasting body.
Officials in New Zealand have released rare red wind warnings - the top caution category - in core zones including Canterbury and Wellington.
Locals have been urged to stay indoors, avoid travel, and make arrangements for further utility disruptions.
Broad Impact and Crisis Response
The power cut is primarily influencing households predominantly in the southern region, although agencies report that the electricity supply was being restored progressively.
Local media have stated that in certain areas homes have lost their roofs, whereas power lines and trees have been toppled by the winds.
In Wellington, a individual was lost his life after being impacted by a tree branch at a popular trail walking spot on Tuesday.
Additionally in the city, a woman was blown onto oncoming traffic on a road by a strong gust of wind, in a event that was captured in a popular vehicle recording.
Flights entering and leaving the urban area have been cancelled because of the weather, while some roads and libraries are not operating.
At the same time local leaders have announced a crisis declaration, to support disaster response efforts.
Work Stoppages Alongside Severe Weather
The wild winds on this day coincide with tens of thousands of teachers, doctors and other public workers take part in what has been called a "major walkout", calling for higher wages and enhanced employment terms.
However the severe conditions has forced them to alter some of their plans, with various open-air gatherings relocated inside or abandoned.
Like conditions are impacting the nearby nation, ushering in a high-temperature event to the country's outback.
Agencies have issued burning restrictions for apprehension regarding forest fires.
