Powerful gusts reaching speeds of up to 155km/h (96mph) have caused approximately 90,000 properties lacking electricity and forced authorities to cancel over 100 aircraft departures, based on local media.
The gales are influencing the entire South Island and lower areas of the North Island, per the country's meteorological service.
The nation's agencies have released uncommon high-level wind alerts - the most severe warning - in core zones including these major districts.
Locals have been urged to stay indoors, avoid travel, and get ready for further utility disruptions.
Widespread Impact and Crisis Response
The electricity loss is primarily influencing residences mainly in the southern region, though agencies report that energy was being gradually reinstated.
Local media have reported that in various locations structures have suffered roof damage, whereas utility poles and vegetation have been brought down by the gusts.
Across Wellington, a person was killed after being hit by a tree branch at a frequent walking route on earlier this week.
Additionally in the city, a individual was pushed toward moving cars on a thoroughfare by a powerful blast, in a incident that was recorded in a widely shared car camera footage.
Aircraft services entering and leaving the urban area have been halted as a result of the gusts, and certain highways and community centers are also closed.
Meanwhile Canterbury officials have declared a crisis declaration, to facilitate disaster response efforts.
Labor Protests Amid Severe Conditions
The wild winds on Thursday coincide with tens of thousands of teachers, doctors and other public workers take part in what has been described as a "major walkout", calling for higher wages and enhanced employment terms.
Yet the extreme weather has forced them to modify certain arrangements, with some outdoor rallies relocated inside or cancelled.
Similar gusts are also sweeping Australia, causing a high-temperature event to the remote areas.
Agencies have announced flame prohibitions for fear of bushfires.
