Severe winds attaining speeds of up to 155km/h (96mph) have left approximately 90,000 homes without power and led officials to cancel more than 100 flights, as reported by regional news sources.
The gales are affecting the complete South Island and southern parts of the North Island, according to the national weather agency.
The nation's agencies have released uncommon red wind warnings - the highest alert level - in core zones encompassing Wellington and Canterbury.
Residents have been advised to stay indoors, avoid travel, and get ready for more electricity and network failures.
Extensive Impact and Crisis Response
The electricity loss seems to be impacting households mostly in the southern region, though officials state that power was being restored progressively.
Local media have indicated that in various locations homes have lost their roofs, and power lines and trees have been knocked down by the gusts.
In Wellington, a individual was fatally injured after being hit by a wooden fragment at a frequent walking route on Tuesday.
Meanwhile in Wellington, a individual was pushed toward moving cars on a road by a powerful blast, in a moment that was filmed in a widely shared car camera footage.
Aircraft services entering and leaving the city have been halted due to the weather, while certain highways and community centers are shut down.
Meanwhile Canterbury officials have declared a crisis declaration, to support disaster response efforts.
Labor Protests During Harsh Weather
The powerful gales on today coincide with numerous of educators, medical professionals and government employees are engaged in what has been termed a "major walkout", calling for better pay and working conditions.
But the severe conditions has compelled them to alter some of their plans, with some outdoor rallies moved indoors or abandoned.
Like conditions are affecting Australia, ushering in a high-temperature event to the nation's interior regions.
Agencies have issued fire bans for fear of forest fires.
