Severe gales attaining speeds of as high as 155km/h (96mph) have caused nearly 90,000 households without power and led agencies to call off in excess of 100 aircraft departures, according to local media.
The gales are influencing the complete southern region and southern sections of the northern region, per the weather forecasting body.
New Zealand authorities have announced rare red wind warnings - the top caution category - in key areas encompassing Canterbury and Wellington.
Residents have been advised to remain inside, refrain from journeys, and prepare for further utility disruptions.
Extensive Damage and Crisis Response
The power cut appears to be affecting residences predominantly in the South Island, while agencies report that energy was being restored progressively.
Local media have stated that in certain areas roofs have been ripped off houses, and utility poles and vegetation have been brought down by the winds.
Across Wellington, a individual was lost his life after being hit by a falling limb at a popular trail walking spot on earlier this week.
Also in the capital, a woman was swept into approaching vehicles on a road by a powerful blast, in a moment that was filmed in a widely shared car camera footage.
Air travel in and out of the metropolis have been suspended as a result of the gusts, while various routes and public facilities are shut down.
Simultaneously authorities in Canterbury have declared a crisis declaration, to assist emergency management operations.
Labor Protests During Extreme Weather
The wild winds on Thursday occur while many of school staff, physicians and civil servants are participating in what has been described as a "significant labor action", demanding improved salaries and workplace environments.
However the extreme weather has pressured them to alter some of their plans, with various open-air gatherings relocated inside or abandoned.
Like conditions are affecting Australia, causing a high-temperature event to the nation's interior regions.
Officials have declared flame prohibitions for fear of forest fires.
