Intense gusts reaching velocities of as high as 155km/h (96mph) have resulted in around 90,000 homes experiencing outages and forced officials to cancel more than 100 air travel services, according to regional news sources.
The gales are influencing the entire South Island and southern parts of the northern region, per the national weather agency.
The nation's agencies have released uncommon severe gust advisories - the top caution category - in central regions including Canterbury and Wellington.
Residents have been urged to remain inside, avoid travel, and make arrangements for additional electricity and network failures.
Widespread Impact and Emergency Measures
The power cut is primarily influencing residences mostly in the South Island, while officials state that power was being slowly brought back.
Domestic outlets have stated that in some places structures have suffered roof damage, while power lines and trees have been knocked down by the winds.
Within the capital, a individual was killed after being impacted by a falling limb at a frequent walking route on earlier this week.
Meanwhile in Wellington, a woman was pushed toward oncoming traffic on a street by a strong gust of wind, in a incident that was captured in a widely shared car camera footage.
Flights entering and leaving the metropolis have been halted due to the weather, and various routes and public facilities are shut down.
At the same time local leaders have announced a crisis declaration, to support emergency management operations.
Strike Action During Harsh Conditions
These intense gusts on this day come as many of teachers, doctors and other public workers are engaged in what has been called a "significant labor action", calling for higher wages and enhanced employment terms.
But the severe conditions has pressured them to modify various scheduled activities, with some outdoor rallies relocated inside or cancelled.
Comparable winds are impacting the nearby nation, ushering in a heatwave to the remote areas.
Authorities have announced fire bans for concern about wildfires.
