Intense winds attaining velocities of approximately 155km/h (96mph) have caused around 90,000 households lacking electricity and forced officials to halt over 100 aircraft departures, based on local media.
The gales are affecting the entire South Island and southern sections of the northern region, as stated by the country's meteorological service.
The nation's agencies have announced infrequent red wind warnings - the highest alert level - in key areas encompassing these major districts.
Locals have been encouraged to remain inside, avoid travel, and get ready for more utility disruptions.
Extensive Damage and Emergency Response
This outage appears to be affecting homes mainly in the South Island, though agencies state that power was being gradually reinstated.
Domestic outlets have stated that in some places roofs have been ripped off houses, while trees and electricity poles have been knocked down by the gusts.
Across Wellington, a man was fatally injured after being impacted by a tree branch at a well-known hiking path on Tuesday.
Additionally in the city, a individual was swept into approaching vehicles on a thoroughfare by a powerful blast, in a event that was recorded in a widely shared car camera footage.
Flights entering and leaving the city have been halted as a result of the weather, whereas various routes and public facilities are also closed.
Meanwhile Canterbury officials have declared a crisis declaration, to assist emergency management operations.
Work Stoppages During Extreme Weather
The powerful gales on today come as tens of thousands of teachers, doctors and other public workers are participating in what has been described as a "mega strike", calling for better pay and working conditions.
But the extreme weather has compelled them to modify various scheduled activities, with various open-air gatherings shifted to interior venues or called off.
Similar gusts are affecting Australia, ushering in a heatwave to the country's outback.
Agencies have issued fire bans for apprehension regarding wildfires.
