Intense gales reaching velocities of as high as 155km/h (96mph) have caused around 90,000 homes lacking electricity and compelled officials to call off in excess of 100 air travel services, based on domestic outlets.
The winds are affecting the entire southern region and southern parts of the northern region, according to the country's meteorological service.
New Zealand authorities have announced uncommon red wind warnings - the highest alert level - in key areas such as Wellington and Canterbury.
People have been urged to stay indoors, stay off roads, and prepare for additional power and communication outages.
Widespread Damage and Emergency Measures
The power cut is primarily influencing residences mostly in the South Island, although officials report that energy was being restored progressively.
Domestic outlets have reported that in some places homes have lost their roofs, and trees and electricity poles have been toppled by the gusts.
In Wellington, a person was fatally injured after being impacted by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was blown onto moving cars on a thoroughfare by a powerful blast, in a moment that was filmed in a popular vehicle recording.
Flights in and out of the urban area have been halted as a result of the winds, while various routes and public facilities are shut down.
Meanwhile authorities in Canterbury have announced a crisis declaration, to facilitate emergency management operations.
Strike Action Amid Severe Weather
The wild winds on Thursday occur while many of educators, medical professionals and government employees are participating in what has been termed a "mega strike", demanding higher wages and enhanced employment terms.
But the severe conditions has compelled them to alter various scheduled activities, with various open-air gatherings relocated inside or cancelled.
Like conditions are impacting Australia, ushering in a period of extreme heat to the remote areas.
Agencies have announced burning restrictions for apprehension regarding bushfires.