Powerful winds attaining velocities of approximately 155km/h (96mph) have caused nearly 90,000 properties experiencing outages and compelled agencies to cancel more than 100 air travel services, as reported by local media.
The gales are affecting the entire South Island and southern parts of the North Island, per the country's meteorological service.
The nation's agencies have released infrequent high-level wind alerts - the most severe warning - in key areas including these major districts.
Locals have been encouraged to stay indoors, refrain from journeys, and get ready for additional electricity and network failures.
Widespread Damage and Crisis Response
The electricity loss appears to be affecting homes mainly in the southern region, though agencies report that power was being restored progressively.
Domestic outlets have indicated that in various locations homes have lost their roofs, and power lines and trees have been brought down by the winds.
In Wellington, a person was lost his life after being struck by a tree branch at a popular trail walking spot on earlier this week.
Also in the capital, a individual was blown onto approaching vehicles on a thoroughfare by a strong gust of wind, in a moment that was captured in a widely shared car camera footage.
Air travel in and out of the metropolis have been suspended due to the gusts, while certain highways and community centers are also closed.
Meanwhile local leaders have issued a crisis declaration, to facilitate disaster response efforts.
Strike Action Alongside Harsh Weather
The powerful gales on Thursday coincide with numerous of educators, medical professionals and government employees are engaged in what has been described as a "significant labor action", demanding higher wages and enhanced employment terms.
But the extreme weather has forced them to alter certain arrangements, with various open-air gatherings moved indoors or called off.
Like conditions are impacting the nearby nation, causing a heatwave to the remote areas.
Officials have declared burning restrictions for fear of bushfires.
