Powerful gales attaining speeds of as high as 155km/h (96mph) have left nearly 90,000 homes lacking electricity and compelled authorities to cancel over 100 air travel services, as reported by domestic outlets.
These gusts are affecting the entire South Island and southern parts of the North Island, according to the weather forecasting body.
Officials in New Zealand have announced uncommon red wind warnings - the highest alert level - in central regions encompassing these major districts.
Locals have been encouraged to stay indoors, stay off roads, and prepare for more power and communication outages.
Widespread Damage and Crisis Response
The power cut is primarily influencing households predominantly in the southern region, although agencies state that power was being gradually reinstated.
Local media have reported that in various locations roofs have been ripped off houses, and trees and electricity poles have been brought down by the winds.
Within the capital, a person was fatally injured after being hit by a wooden fragment at a frequent walking route on Tuesday.
Additionally in the city, a woman was pushed toward oncoming traffic on a road by a intensive burst, in a incident that was captured in a popular vehicle recording.
Aircraft services to and from the metropolis have been suspended as a result of the weather, while certain highways and community centers are not operating.
Meanwhile Canterbury officials have issued a emergency situation, to assist emergency management operations.
Labor Protests During Harsh Weather
These intense gusts on today come as tens of thousands of school staff, physicians and civil servants take part in what has been termed a "significant labor action", requesting better pay and working conditions.
However the extreme weather has compelled them to modify certain arrangements, with some outdoor rallies relocated inside or called off.
Like conditions are also sweeping Australia, ushering in a period of extreme heat to the nation's interior regions.
Authorities have issued fire bans for apprehension regarding wildfires.