Powerful gusts attaining velocities of as high as 155km/h (96mph) have resulted in approximately 90,000 properties lacking electricity and forced authorities to halt over 100 air travel services, as reported by local media.
The gales are affecting the whole southern region and southern parts of the North Island, according to the country's meteorological service.
Officials in New Zealand have issued uncommon high-level wind alerts - the top caution category - in key areas encompassing these major districts.
Locals have been urged to remain inside, stay off roads, and get ready for additional electricity and network failures.
Widespread Damage and Emergency Response
The power cut appears to be affecting residences mostly in the South Island, though agencies state that power was being slowly brought back.
Regional news have indicated that in various locations roofs have been ripped off houses, while trees and electricity poles have been brought down by the gales.
Within the capital, a man was killed after being impacted by a wooden fragment at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a thoroughfare by a strong gust of wind, in a incident that was captured in a viral dashcam video.
Flights entering and leaving the city have been suspended due to the gusts, and some roads and libraries are not operating.
Simultaneously authorities in Canterbury have announced a crisis declaration, to support recovery activities.
Labor Protests Amid Extreme Weather
The wild winds on this day come as many of school staff, physicians and civil servants take part in what has been termed a "major walkout", calling for better pay and working conditions.
But the severe conditions has forced them to modify various scheduled activities, with several external protests shifted to interior venues or called off.
Comparable winds are also sweeping the nearby nation, bringing a heatwave to the remote areas.
Officials have announced burning restrictions for concern about wildfires.
