Powerful winds reaching speeds of approximately 155km/h (96mph) have left around 90,000 properties without power and compelled authorities to call off more than 100 air travel services, based on domestic outlets.
The winds are affecting the whole South Island and lower areas of the North Island, per the national weather agency.
Officials in New Zealand have announced uncommon severe gust advisories - the top caution category - in key areas including Canterbury and Wellington.
Locals have been advised to remain inside, avoid travel, and make arrangements for additional utility disruptions.
Extensive Impact and Emergency Response
This outage is primarily influencing homes predominantly in the southern region, while agencies say that energy was being slowly brought back.
Domestic outlets have stated that in various locations roofs have been ripped off houses, and power lines and trees have been knocked down by the gales.
Within the capital, a person was fatally injured after being struck by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a road by a powerful blast, in a event that was filmed in a viral dashcam video.
Aircraft services in and out of the metropolis have been halted because of the winds, and certain highways and community centers are also closed.
Meanwhile Canterbury officials have declared a emergency situation, to facilitate disaster response efforts.
Work Stoppages Amid Harsh Conditions
The powerful gales on this day coincide with numerous of teachers, doctors and other public workers take part in what has been called a "significant labor action", requesting improved salaries and workplace environments.
However the extreme weather has compelled them to change various scheduled activities, with some outdoor rallies relocated inside or called off.
Similar gusts are impacting the neighboring country, bringing a heatwave to the nation's interior regions.
Agencies have issued flame prohibitions for fear of wildfires.
