Intense gales reaching velocities of up to 155km/h (96mph) have left nearly 90,000 households experiencing outages and compelled authorities to call off in excess of 100 flights, according to regional news sources.
These gusts are affecting the entire southern region and southern parts of the northern region, as stated by the weather forecasting body.
Officials in New Zealand have issued uncommon high-level wind alerts - the most severe warning - in core zones including these major districts.
Locals have been encouraged to avoid going outside, stay off roads, and prepare for further utility disruptions.
Extensive Damage and Emergency Measures
This outage appears to be affecting households mostly in the South Island, although officials report that energy was being restored progressively.
Domestic outlets have indicated that in some places homes have lost their roofs, and trees and electricity poles have been brought down by the winds.
Across Wellington, a individual was fatally injured after being hit by a tree branch at a frequent walking route on earlier this week.
Also in the capital, a woman was pushed toward oncoming traffic on a thoroughfare by a intensive burst, in a moment that was captured in a viral dashcam video.
Aircraft services to and from the city have been suspended due to the winds, and various routes and public facilities are shut down.
At the same time local leaders have announced a state of emergency, to assist recovery activities.
Labor Protests Amid Extreme Weather
These intense gusts on this day occur while tens of thousands of teachers, doctors and other public workers take part in what has been described as a "major walkout", demanding higher wages and enhanced employment terms.
However the severe conditions has forced them to alter some of their plans, with several external protests shifted to interior venues or called off.
Comparable winds are impacting the nearby nation, ushering in a heatwave to the nation's interior regions.
Officials have announced burning restrictions for fear of forest fires.