Severe winds hitting speeds of as high as 155km/h (96mph) have left approximately 90,000 homes without power and led agencies to call off over 100 aircraft departures, according to regional news sources.
These gusts are impacting the whole southern region and southern parts of the North Island, according to the country's meteorological service.
The nation's agencies have issued rare high-level wind alerts - the most severe warning - in core zones such as these major districts.
Locals have been encouraged to stay indoors, avoid travel, and prepare for additional power and communication outages.
Extensive Destruction and Emergency Response
The power cut is primarily influencing residences mostly in the southern region, though officials say that energy was being slowly brought back.
Local media have stated that in various locations structures have suffered roof damage, while trees and electricity poles have been brought down by the winds.
Within the capital, a individual was fatally injured after being struck by a tree branch at a well-known hiking path on Tuesday.
Also in the capital, a woman was pushed toward approaching vehicles on a street by a powerful blast, in a incident that was filmed in a widely shared car camera footage.
Flights entering and leaving the city have been cancelled due to the weather, while various routes and public facilities are shut down.
Meanwhile authorities in Canterbury have declared a state of emergency, to facilitate recovery activities.
Labor Protests Alongside Harsh Weather
These intense gusts on this day come as numerous of teachers, doctors and other public workers take part in what has been described as a "significant labor action", calling for better pay and working conditions.
However the severe conditions has forced them to modify certain arrangements, with some outdoor rallies moved indoors or abandoned.
Similar gusts are impacting the nearby nation, causing a heatwave to the remote areas.
Agencies have announced fire bans for apprehension regarding bushfires.
