Intense gales reaching velocities of as high as 155km/h (96mph) have caused nearly 90,000 properties without power and led authorities to cancel over 100 aircraft departures, as reported by local media.
The winds are influencing the entire southern region and southern parts of the North Island, according to the country's meteorological service.
New Zealand authorities have issued infrequent severe gust advisories - the top caution category - in core zones such as Wellington and Canterbury.
People have been advised to remain inside, refrain from journeys, and prepare for further utility disruptions.
Broad Damage and Crisis Measures
The electricity loss is primarily influencing households mostly in the South Island, while officials state that power was being restored progressively.
Local media have indicated that in some places roofs have been ripped off houses, whereas trees and electricity poles have been brought down by the gusts.
Across Wellington, a person was fatally injured after being struck by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a woman was blown onto oncoming traffic on a street by a powerful blast, in a event that was captured in a widely shared car camera footage.
Air travel entering and leaving the metropolis have been suspended as a result of the winds, and certain highways and community centers are also closed.
Meanwhile authorities in Canterbury have issued a emergency situation, to facilitate recovery activities.
Labor Protests Amid Harsh Weather
These intense gusts on this day come as numerous of teachers, doctors and other public workers take part in what has been described as a "mega strike", demanding higher wages and enhanced employment terms.
Yet the extreme weather has pressured them to alter various scheduled activities, with various open-air gatherings shifted to interior venues or abandoned.
Similar gusts are affecting Australia, ushering in a high-temperature event to the remote areas.
Officials have announced flame prohibitions for fear of bushfires.
