Intense gusts reaching velocities of as high as 155km/h (96mph) have resulted in around 90,000 homes lacking electricity and led officials to cancel more than 100 flights, based on local media.
The winds are influencing the whole southern region and southern sections of the North Island, according to the country's meteorological service.
Officials in New Zealand have released infrequent severe gust advisories - the most severe warning - in central regions including Canterbury and Wellington.
Residents have been advised to avoid going outside, avoid travel, and make arrangements for further utility disruptions.
Widespread Damage and Emergency Response
The power cut appears to be affecting homes mostly in the southern region, though agencies state that the electricity supply was being slowly brought back.
Domestic outlets have stated that in certain areas structures have suffered roof damage, and trees and electricity poles have been knocked down by the winds.
In Wellington, a individual was killed after being impacted by a wooden fragment at a frequent walking route on Tuesday.
Meanwhile in Wellington, a female was blown onto moving cars on a street by a strong gust of wind, in a incident that was captured in a popular vehicle recording.
Aircraft services entering and leaving the metropolis have been halted as a result of the winds, and certain highways and community centers are also closed.
Meanwhile authorities in Canterbury have declared a crisis declaration, to assist emergency management operations.
Labor Protests Amid Extreme Weather
The powerful gales on Thursday occur while numerous of teachers, doctors and other public workers take part in what has been called a "major walkout", demanding better pay and working conditions.
But the intense climate has pressured them to alter some of their plans, with some outdoor rallies moved indoors or called off.
Comparable winds are also sweeping Australia, ushering in a heatwave to the remote areas.
Officials have issued fire bans for fear of bushfires.
