Powerful winds attaining velocities of up to 155km/h (96mph) have resulted in approximately 90,000 properties lacking electricity and led authorities to halt more than 100 flights, based on regional news sources.
The winds are influencing the whole South Island and southern parts of the northern region, according to the national weather agency.
The nation's agencies have released uncommon high-level wind alerts - the highest alert level - in core zones encompassing Canterbury and Wellington.
Locals have been urged to remain inside, avoid travel, and prepare for more power and communication outages.
Broad Destruction and Emergency Measures
The power cut appears to be affecting homes predominantly in the southern region, though authorities state that power was being gradually reinstated.
Regional news have reported that in certain areas roofs have been ripped off houses, while trees and electricity poles have been brought down by the gusts.
Across Wellington, a man was killed after being impacted by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a female was swept into approaching vehicles on a thoroughfare by a intensive burst, in a moment that was captured in a viral dashcam video.
Flights entering and leaving the city have been halted as a result of the weather, and certain highways and community centers are shut down.
Meanwhile local leaders have issued a state of emergency, to support recovery activities.
Labor Protests Amid Extreme Conditions
The wild winds on this day come as many of teachers, doctors and other public workers take part in what has been termed a "significant labor action", demanding improved salaries and workplace environments.
Yet the severe conditions has compelled them to change certain arrangements, with several external protests relocated inside or called off.
Like conditions are also sweeping the nearby nation, ushering in a period of extreme heat to the remote areas.
Authorities have announced fire bans for concern about wildfires.
