Intense winds attaining velocities of as high as 155km/h (96mph) have caused approximately 90,000 properties experiencing outages and led agencies to halt over 100 flights, based on local media.
The gales are affecting the whole southern region and southern parts of the North Island, according to the weather forecasting body.
New Zealand authorities have issued uncommon high-level wind alerts - the highest alert level - in key areas encompassing these major districts.
People have been urged to avoid going outside, stay off roads, and get ready for more utility disruptions.
Broad Destruction and Emergency Response
This outage is primarily influencing homes mainly in the southern region, while officials report that power was being slowly brought back.
Regional news have reported that in various locations structures have suffered roof damage, whereas trees and electricity poles have been brought down by the gales.
In Wellington, a man was killed after being struck by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was blown onto moving cars on a road by a intensive burst, in a moment that was recorded in a popular vehicle recording.
Aircraft services entering and leaving the urban area have been halted due to the gusts, and certain highways and community centers are shut down.
At the same time local leaders have declared a crisis declaration, to assist emergency management operations.
Labor Protests During Harsh Weather
These intense gusts on today occur while many of educators, medical professionals and government employees are engaged in what has been termed a "significant labor action", requesting higher wages and enhanced employment terms.
Yet the extreme weather has pressured them to modify various scheduled activities, with several external protests shifted to interior venues or cancelled.
Like conditions are affecting Australia, ushering in a period of extreme heat to the nation's interior regions.
Officials have issued burning restrictions for fear of bushfires.
