Intense gusts hitting velocities of approximately 155km/h (96mph) have caused around 90,000 properties lacking electricity and forced officials to halt over 100 air travel services, according to local media.
These gusts are influencing the complete South Island and southern parts of the North Island, per the national weather agency.
Officials in New Zealand have issued uncommon red wind warnings - the highest alert level - in central regions including these major districts.
Residents have been encouraged to stay indoors, refrain from journeys, and get ready for more utility disruptions.
Extensive Damage and Crisis Measures
This outage is primarily influencing residences mainly in the southern region, though authorities say that energy was being gradually reinstated.
Domestic outlets have indicated that in some places structures have suffered roof damage, while utility poles and vegetation have been brought down by the winds.
In Wellington, a man was killed after being impacted by a falling limb at a well-known hiking path on earlier this week.
Also in the capital, a female was pushed toward approaching vehicles on a thoroughfare by a strong gust of wind, in a moment that was recorded in a widely shared car camera footage.
Aircraft services to and from the metropolis have been halted due to the weather, while various routes and public facilities are also closed.
Simultaneously local leaders have issued a state of emergency, to facilitate emergency management operations.
Labor Protests During Harsh Weather
The powerful gales on this day occur while tens of thousands of school staff, physicians and civil servants are engaged in what has been termed a "significant labor action", demanding improved salaries and workplace environments.
But the extreme weather has pressured them to modify certain arrangements, with several external protests shifted to interior venues or cancelled.
Like conditions are impacting Australia, bringing a period of extreme heat to the country's outback.
Authorities have declared flame prohibitions for fear of forest fires.
