Powerful gales reaching velocities of approximately 155km/h (96mph) have left around 90,000 properties without power and forced officials to halt more than 100 flights, based on regional news sources.
These gusts are impacting the entire southern region and lower areas of the North Island, according to the national weather agency.
New Zealand authorities have issued rare red wind warnings - the top caution category - in core zones encompassing Wellington and Canterbury.
Locals have been urged to avoid going outside, stay off roads, and make arrangements for more utility disruptions.
Extensive Destruction and Crisis Response
The power cut is primarily influencing households predominantly in the South Island, although agencies say that power was being restored progressively.
Local media have indicated that in some places roofs have been ripped off houses, while trees and electricity poles have been toppled by the gusts.
Within the capital, a person was fatally injured after being struck by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a woman was pushed toward approaching vehicles on a road by a powerful blast, in a event that was recorded in a popular vehicle recording.
Flights in and out of the city have been cancelled because of the gusts, whereas various routes and public facilities are also closed.
Meanwhile Canterbury officials have declared a emergency situation, to assist disaster response efforts.
Work Stoppages During Harsh Weather
These intense gusts on Thursday coincide with numerous of educators, medical professionals and government employees are engaged in what has been called a "major walkout", demanding improved salaries and workplace environments.
However the extreme weather has pressured them to change various scheduled activities, with some outdoor rallies shifted to interior venues or abandoned.
Like conditions are affecting the nearby nation, causing a high-temperature event to the remote areas.
Officials have announced flame prohibitions for fear of forest fires.
