Powerful gales reaching velocities of as high as 155km/h (96mph) have caused around 90,000 properties experiencing outages and compelled agencies to cancel in excess of 100 flights, based on domestic outlets.
The gales are influencing the complete South Island and lower areas of the northern region, according to the country's meteorological service.
Officials in New Zealand have issued rare severe gust advisories - the top caution category - in core zones encompassing Wellington and Canterbury.
People have been advised to remain inside, avoid travel, and get ready for more electricity and network failures.
Extensive Impact and Emergency Measures
The electricity loss appears to be affecting homes mostly in the southern region, though authorities say that power was being slowly brought back.
Domestic outlets have indicated that in various locations structures have suffered roof damage, while power lines and trees have been brought down by the winds.
In Wellington, a man was lost his life after being struck by a tree branch at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a thoroughfare by a powerful blast, in a event that was recorded in a viral dashcam video.
Aircraft services entering and leaving the city have been suspended because of the gusts, and various routes and public facilities are also closed.
At the same time local leaders have declared a crisis declaration, to assist recovery activities.
Strike Action Alongside Extreme Conditions
These intense gusts on today coincide with tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "significant labor action", calling for improved salaries and workplace environments.
But the extreme weather has compelled them to modify some of their plans, with several external protests shifted to interior venues or called off.
Like conditions are affecting the nearby nation, ushering in a high-temperature event to the remote areas.
Authorities have announced burning restrictions for fear of bushfires.
