Intense gusts reaching velocities of approximately 155km/h (96mph) have left approximately 90,000 homes experiencing outages and forced agencies to halt over 100 air travel services, according to domestic outlets.
The winds are impacting the entire South Island and southern sections of the North Island, according to the country's meteorological service.
Officials in New Zealand have released uncommon high-level wind alerts - the most severe warning - in core zones encompassing these major districts.
Residents have been urged to stay indoors, refrain from journeys, and get ready for further power and communication outages.
Extensive Destruction and Crisis Response
The power cut is primarily influencing residences predominantly in the southern region, although agencies report that energy was being slowly brought back.
Local media have indicated that in some places homes have lost their roofs, whereas trees and electricity poles have been toppled by the winds.
Across Wellington, a man was fatally injured after being hit by a tree branch at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was blown onto approaching vehicles on a road by a intensive burst, in a moment that was filmed in a viral dashcam video.
Flights to and from the metropolis have been suspended because of the winds, whereas certain highways and community centers are also closed.
At the same time local leaders have issued a state of emergency, to support emergency management operations.
Strike Action Amid Extreme Conditions
The wild winds on today occur while tens of thousands of school staff, physicians and civil servants take part in what has been called a "significant labor action", requesting improved salaries and workplace environments.
Yet the extreme weather has forced them to change certain arrangements, with some outdoor rallies relocated inside or cancelled.
Like conditions are affecting Australia, bringing a heatwave to the country's outback.
Agencies have declared fire bans for concern about wildfires.
