Powerful winds attaining velocities of as high as 155km/h (96mph) have caused around 90,000 homes lacking electricity and forced agencies to call off more than 100 aircraft departures, as reported by regional news sources.
The gales are influencing the complete South Island and lower areas of the North Island, per the national weather agency.
Officials in New Zealand have released uncommon severe gust advisories - the most severe warning - in central regions such as Wellington and Canterbury.
Residents have been urged to avoid going outside, stay off roads, and get ready for more electricity and network failures.
Widespread Damage and Crisis Response
The power cut seems to be impacting households mainly in the southern region, while agencies state that power was being slowly brought back.
Local media have indicated that in various locations homes have lost their roofs, whereas trees and electricity poles have been brought down by the gusts.
Across Wellington, a man was lost his life after being impacted by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was pushed toward oncoming traffic on a street by a strong gust of wind, in a moment that was captured in a widely shared car camera footage.
Flights entering and leaving the city have been halted due to the winds, while certain highways and community centers are shut down.
Meanwhile Canterbury officials have announced a crisis declaration, to support recovery activities.
Labor Protests During Harsh Conditions
The powerful gales on this day come as numerous of educators, medical professionals and government employees are participating in what has been described as a "significant labor action", requesting higher wages and enhanced employment terms.
Yet the severe conditions has pressured them to modify various scheduled activities, with various open-air gatherings relocated inside or called off.
Comparable winds are also sweeping the neighboring country, ushering in a period of extreme heat to the country's outback.
Agencies have declared burning restrictions for concern about forest fires.