Powerful gales attaining speeds of as high as 155km/h (96mph) have caused nearly 90,000 households without power and led agencies to cancel over 100 flights, as reported by regional news sources.
These gusts are influencing the whole South Island and southern sections of the northern region, according to the national weather agency.
The nation's agencies have announced rare red wind warnings - the highest alert level - in core zones such as Canterbury and Wellington.
Residents have been urged to remain inside, refrain from journeys, and make arrangements for more electricity and network failures.
Broad Damage and Emergency Measures
The electricity loss appears to be affecting residences mainly in the southern region, while agencies say that energy was being gradually reinstated.
Regional news have indicated that in some places structures have suffered roof damage, whereas trees and electricity poles have been brought down by the gales.
Within the capital, a person was fatally injured after being hit by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a female was blown onto oncoming traffic on a street by a intensive burst, in a incident that was captured in a popular vehicle recording.
Air travel in and out of the metropolis have been suspended due to the gusts, and certain highways and community centers are also closed.
Simultaneously authorities in Canterbury have announced a emergency situation, to assist disaster response efforts.
Labor Protests During Harsh Conditions
The wild winds on Thursday coincide with many of teachers, doctors and other public workers are participating in what has been called a "significant labor action", calling for higher wages and enhanced employment terms.
But the intense climate has pressured them to change certain arrangements, with several external protests relocated inside or abandoned.
Like conditions are also sweeping Australia, ushering in a high-temperature event to the country's outback.
Authorities have issued burning restrictions for fear of bushfires.
