Intense gales hitting speeds of up to 155km/h (96mph) have left around 90,000 properties without power and compelled authorities to halt more than 100 flights, according to domestic outlets.
The gales are affecting the complete southern region and southern sections of the northern region, as stated by the country's meteorological service.
The nation's agencies have issued rare red wind warnings - the top caution category - in central regions encompassing Wellington and Canterbury.
Locals have been advised to stay indoors, stay off roads, and make arrangements for further electricity and network failures.
Widespread Destruction and Crisis Response
The power cut is primarily influencing households mostly in the South Island, while officials say that energy was being slowly brought back.
Regional news have stated that in various locations structures have suffered roof damage, whereas trees and electricity poles have been toppled by the gusts.
Across Wellington, a person was killed after being hit by a tree branch at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a woman was blown onto moving cars on a thoroughfare by a powerful blast, in a incident that was filmed in a popular vehicle recording.
Aircraft services to and from the urban area have been cancelled because of the winds, while some roads and libraries are not operating.
At the same time authorities in Canterbury have announced a crisis declaration, to support disaster response efforts.
Strike Action During Harsh Conditions
The powerful gales on today come as numerous of school staff, physicians and civil servants take part in what has been described as a "major walkout", requesting higher wages and enhanced employment terms.
Yet the severe conditions has pressured them to modify certain arrangements, with various open-air gatherings moved indoors or abandoned.
Similar gusts are affecting Australia, causing a high-temperature event to the nation's interior regions.
Agencies have issued burning restrictions for fear of bushfires.
