Powerful gusts reaching speeds of approximately 155km/h (96mph) have resulted in nearly 90,000 homes without power and forced officials to halt more than 100 flights, as reported by regional news sources.
The winds are influencing the entire South Island and southern parts of the northern region, according to the national weather agency.
Officials in New Zealand have released rare severe gust advisories - the most severe warning - in key areas encompassing Wellington and Canterbury.
Residents have been advised to avoid going outside, stay off roads, and prepare for additional utility disruptions.
Broad Impact and Crisis Measures
This outage seems to be impacting homes mainly in the southern region, while agencies state that the electricity supply was being restored progressively.
Regional news have reported that in some places structures have suffered roof damage, while power lines and trees have been brought down by the gales.
Across Wellington, a man was fatally injured after being impacted by a wooden fragment at a frequent walking route on earlier this week.
Also in the capital, a woman was pushed toward approaching vehicles on a road by a intensive burst, in a moment that was filmed in a popular vehicle recording.
Air travel in and out of the city have been suspended because of the gusts, and certain highways and community centers are not operating.
Meanwhile Canterbury officials have announced a crisis declaration, to facilitate recovery activities.
Work Stoppages During Harsh Conditions
These intense gusts on Thursday coincide with tens of thousands of teachers, doctors and other public workers are participating in what has been termed a "mega strike", requesting higher wages and enhanced employment terms.
Yet the extreme weather has forced them to modify various scheduled activities, with various open-air gatherings shifted to interior venues or cancelled.
Comparable winds are affecting the nearby nation, bringing a high-temperature event to the remote areas.
Agencies have declared fire bans for fear of forest fires.
