Intense gales attaining speeds of approximately 155km/h (96mph) have left approximately 90,000 properties without power and forced authorities to call off more than 100 flights, based on domestic outlets.
The winds are affecting the entire South Island and lower areas of the northern region, per the country's meteorological service.
New Zealand authorities have issued rare red wind warnings - the most severe warning - in central regions such as Canterbury and Wellington.
Residents have been encouraged to avoid going outside, avoid travel, and prepare for additional power and communication outages.
Broad Impact and Emergency Response
The electricity loss is primarily influencing residences predominantly in the South Island, though officials say that energy was being restored progressively.
Domestic outlets have indicated that in some places structures have suffered roof damage, whereas trees and electricity poles have been toppled by the gusts.
In Wellington, a man was fatally injured after being struck by a tree branch at a well-known hiking path on earlier this week.
Also in the capital, a woman was pushed toward moving cars on a thoroughfare by a strong gust of wind, in a incident that was recorded in a popular vehicle recording.
Flights in and out of the metropolis have been suspended due to the winds, whereas various routes and public facilities are also closed.
Simultaneously authorities in Canterbury have announced a crisis declaration, to assist recovery activities.
Strike Action Alongside Extreme Conditions
The wild winds on this day occur while many of teachers, doctors and other public workers are engaged in what has been termed a "major walkout", demanding higher wages and enhanced employment terms.
Yet the severe conditions has compelled them to change some of their plans, with several external protests moved indoors or cancelled.
Similar gusts are also sweeping Australia, ushering in a period of extreme heat to the remote areas.
Agencies have issued burning restrictions for fear of forest fires.
