Intense gusts attaining velocities of as high as 155km/h (96mph) have left approximately 90,000 homes lacking electricity and forced officials to cancel in excess of 100 air travel services, according to regional news sources.
The winds are impacting the whole South Island and southern parts of the North Island, per the weather forecasting body.
New Zealand authorities have issued rare red wind warnings - the highest alert level - in key areas such as Canterbury and Wellington.
Residents have been urged to remain inside, stay off roads, and prepare for more electricity and network failures.
Extensive Impact and Emergency Measures
The electricity loss is primarily influencing residences predominantly in the southern region, although officials report that the electricity supply was being restored progressively.
Local media have reported that in some places structures have suffered roof damage, whereas trees and electricity poles have been knocked down by the gales.
In Wellington, a man was lost his life after being impacted by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a female was blown onto moving cars on a road by a strong gust of wind, in a event that was recorded in a widely shared car camera footage.
Air travel to and from the urban area have been suspended because of the weather, while some roads and libraries are shut down.
Meanwhile local leaders have issued a state of emergency, to facilitate disaster response efforts.
Labor Protests Amid Severe Weather
The wild winds on Thursday come as numerous of teachers, doctors and other public workers take part in what has been termed a "significant labor action", demanding better pay and working conditions.
Yet the severe conditions has pressured them to modify various scheduled activities, with some outdoor rallies relocated inside or called off.
Comparable winds are affecting the neighboring country, bringing a heatwave to the remote areas.
Agencies have issued flame prohibitions for fear of bushfires.
