Severe winds attaining speeds of approximately 155km/h (96mph) have resulted in around 90,000 households lacking electricity and forced officials to cancel over 100 flights, according to regional news sources.
The gales are affecting the entire South Island and southern sections of the North Island, as stated by the national weather agency.
The nation's agencies have issued uncommon red wind warnings - the most severe warning - in key areas encompassing these major districts.
People have been encouraged to avoid going outside, refrain from journeys, and get ready for additional electricity and network failures.
Extensive Damage and Crisis Response
The power cut appears to be affecting homes predominantly in the South Island, while agencies report that the electricity supply was being gradually reinstated.
Regional news have stated that in some places homes have lost their roofs, whereas trees and electricity poles have been toppled by the gales.
Across Wellington, a individual was fatally injured after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a female was pushed toward moving cars on a road by a strong gust of wind, in a event that was filmed in a widely shared car camera footage.
Flights to and from the metropolis have been cancelled because of the gusts, whereas certain highways and community centers are not operating.
At the same time authorities in Canterbury have issued a crisis declaration, to assist emergency management operations.
Labor Protests During Severe Conditions
The powerful gales on today occur while tens of thousands of school staff, physicians and civil servants are engaged in what has been termed a "major walkout", calling for improved salaries and workplace environments.
Yet the extreme weather has pressured them to alter various scheduled activities, with several external protests moved indoors or cancelled.
Similar gusts are impacting the neighboring country, causing a heatwave to the country's outback.
Officials have announced fire bans for apprehension regarding wildfires.