Powerful winds hitting speeds of up to 155km/h (96mph) have caused around 90,000 homes lacking electricity and compelled officials to call off more than 100 flights, based on domestic outlets.
These gusts are impacting the complete South Island and southern sections of the northern region, per the weather forecasting body.
New Zealand authorities have announced infrequent red wind warnings - the top caution category - in core zones including Wellington and Canterbury.
Locals have been advised to stay indoors, avoid travel, and make arrangements for more utility disruptions.
Widespread Destruction and Crisis Measures
The power cut appears to be affecting homes mostly in the southern region, although agencies state that energy was being slowly brought back.
Local media have stated that in some places structures have suffered roof damage, whereas power lines and trees have been knocked down by the gusts.
Within the capital, a person was lost his life after being hit by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was blown onto moving cars on a road by a strong gust of wind, in a moment that was captured in a popular vehicle recording.
Air travel in and out of the metropolis have been halted as a result of the winds, and some roads and libraries are shut down.
At the same time Canterbury officials have announced a state of emergency, to facilitate emergency management operations.
Strike Action Alongside Extreme Weather
These intense gusts on Thursday come as many of educators, medical professionals and government employees take part in what has been described as a "significant labor action", demanding better pay and working conditions.
But the extreme weather has forced them to modify some of their plans, with various open-air gatherings moved indoors or cancelled.
Like conditions are affecting the nearby nation, ushering in a period of extreme heat to the remote areas.
Authorities have declared fire bans for fear of forest fires.
