Severe winds hitting velocities of as high as 155km/h (96mph) have caused approximately 90,000 homes experiencing outages and compelled authorities to halt in excess of 100 flights, according to domestic outlets.
The gales are influencing the entire southern region and southern sections of the North Island, according to the weather forecasting body.
New Zealand authorities have issued rare red wind warnings - the most severe warning - in key areas such as Wellington and Canterbury.
Locals have been encouraged to stay indoors, avoid travel, and get ready for additional power and communication outages.
Extensive Destruction and Emergency Response
The electricity loss seems to be impacting residences mainly in the southern region, though agencies say that energy 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.
Across Wellington, a individual was lost his life after being impacted by a falling limb at a frequent walking route on earlier this week.
Additionally in the city, a woman was blown onto moving cars on a thoroughfare by a powerful blast, in a event that was recorded in a widely shared car camera footage.
Air travel entering and leaving the city have been cancelled as a result of the gusts, and various routes and public facilities are also closed.
At the same time local leaders have announced a state of emergency, to facilitate disaster response efforts.
Strike Action During Severe Weather
The powerful gales on this day occur while tens of thousands of school staff, physicians and civil servants take part in what has been described as a "major walkout", calling for higher wages and enhanced employment terms.
Yet the intense climate has forced them to alter some of their plans, with various open-air gatherings moved indoors or abandoned.
Like conditions are impacting the neighboring country, ushering in a high-temperature event to the nation's interior regions.
Agencies have issued flame prohibitions for concern about forest fires.