Severe gusts attaining velocities of as high as 155km/h (96mph) have resulted in around 90,000 households without power and compelled authorities to call off more than 100 air travel services, as reported by local media.
The gales are affecting the complete southern region and lower areas of the North Island, according to the national weather agency.
The nation's agencies have released uncommon red wind warnings - the most severe warning - in key areas encompassing Wellington and Canterbury.
People have been advised to stay indoors, avoid travel, and prepare for additional power and communication outages.
Extensive Impact and Emergency Response
This outage is primarily influencing residences predominantly in the South Island, although agencies state that energy was being restored progressively.
Domestic outlets have reported that in various locations structures have suffered roof damage, whereas utility poles and vegetation have been knocked down by the gusts.
Across Wellington, a person was lost his life after being struck by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was blown onto approaching vehicles on a thoroughfare by a powerful blast, in a moment that was captured in a popular vehicle recording.
Flights in and out of the urban area have been suspended as a result of the weather, while some roads and libraries are shut down.
Simultaneously Canterbury officials have announced a emergency situation, to assist disaster response efforts.
Labor Protests Amid Severe Weather
The powerful gales on this day coincide with many of teachers, doctors and other public workers take part in what has been described as a "major walkout", requesting better pay and working conditions.
But the intense climate has forced them to modify certain arrangements, with various open-air gatherings relocated inside or cancelled.
Similar gusts are affecting the neighboring country, ushering in a high-temperature event to the remote areas.
Authorities have issued flame prohibitions for apprehension regarding forest fires.