Severe gales reaching velocities of as high as 155km/h (96mph) have resulted in around 90,000 households experiencing outages and led authorities to call off in excess of 100 flights, based on local media.
The winds are affecting the complete southern region and southern parts of the northern region, per the weather forecasting body.
New Zealand authorities have announced uncommon severe gust advisories - the most severe warning - in core zones including Wellington and Canterbury.
People have been advised to avoid going outside, avoid travel, and make arrangements for more electricity and network failures.
Widespread Impact and Emergency Measures
The electricity loss appears to be affecting households mostly in the South Island, though officials say that energy was being restored progressively.
Local media have reported that in various locations homes have lost their roofs, and trees and electricity poles have been brought down by the gales.
In Wellington, a individual was killed after being impacted by a tree branch at a frequent walking route on earlier this week.
Meanwhile in Wellington, a individual was pushed toward approaching vehicles on a thoroughfare by a intensive burst, in a moment that was recorded in a viral dashcam video.
Flights in and out of the metropolis have been cancelled as a result of the weather, while some roads and libraries are also closed.
At the same time authorities in Canterbury have declared a state of emergency, to support disaster response efforts.
Work Stoppages During Extreme Conditions
These intense gusts on Thursday coincide with numerous of educators, medical professionals and government employees take part in what has been called a "significant labor action", demanding better pay and working conditions.
However the severe conditions has pressured them to modify various scheduled activities, with various open-air gatherings moved indoors or cancelled.
Comparable winds are affecting the nearby nation, bringing a period of extreme heat to the country's outback.
Authorities have issued burning restrictions for fear of wildfires.