Severe gusts hitting velocities of approximately 155km/h (96mph) have resulted in nearly 90,000 homes lacking electricity and forced agencies to halt more than 100 flights, based on local media.
The gales are affecting the complete southern region and lower areas of the North Island, as stated by the country's meteorological service.
New Zealand authorities have announced infrequent severe gust advisories - the highest alert level - in central regions including these major districts.
Locals have been advised to avoid going outside, avoid travel, and make arrangements for more electricity and network failures.
Extensive Damage and Crisis Measures
This outage appears to be affecting households predominantly in the southern region, although officials report that energy was being restored progressively.
Domestic outlets have indicated that in various locations structures have suffered roof damage, and trees and electricity poles have been brought down by the gales.
Across Wellington, a individual was killed after being impacted by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a woman was pushed toward moving cars on a thoroughfare by a powerful blast, in a incident that was captured in a viral dashcam video.
Aircraft services entering and leaving the metropolis have been suspended because of the weather, while various routes and public facilities are not operating.
At the same time Canterbury officials have declared a state of emergency, to assist disaster response efforts.
Labor Protests During Extreme Weather
The wild winds on this day come as tens of thousands of educators, medical professionals and government employees are engaged in what has been called a "mega strike", demanding better pay and working conditions.
But the intense climate has pressured them to change certain arrangements, with some outdoor rallies relocated inside or abandoned.
Similar gusts are impacting Australia, bringing a high-temperature event to the remote areas.
Officials have issued flame prohibitions for apprehension regarding bushfires.
