Powerful gusts hitting velocities of up to 155km/h (96mph) have caused around 90,000 homes lacking electricity and led officials to cancel more than 100 flights, based on regional news sources.
The gales are influencing the entire southern region and southern sections of the North Island, per the national weather agency.
Officials in New Zealand have issued rare red wind warnings - the highest alert level - in core zones encompassing these major districts.
People have been encouraged to avoid going outside, avoid travel, and prepare for further electricity and network failures.
Extensive Damage and Emergency Measures
The electricity loss appears to be affecting homes mainly in the South Island, while agencies say that energy was being gradually reinstated.
Regional news have reported that in some places homes have lost their roofs, and utility poles and vegetation have been brought down by the gales.
Across Wellington, a man was fatally injured after being struck by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a woman was pushed toward approaching vehicles on a street by a strong gust of wind, in a moment that was recorded in a popular vehicle recording.
Aircraft services to and from the metropolis have been cancelled due to the gusts, whereas various routes and public facilities are also closed.
At the same time authorities in Canterbury have issued a state of emergency, to facilitate recovery activities.
Strike Action During Extreme Weather
These intense gusts on today coincide with many of educators, medical professionals and government employees are engaged in what has been called a "mega strike", demanding improved salaries and workplace environments.
But the severe conditions has compelled them to modify various scheduled activities, with various open-air gatherings moved indoors or called off.
Comparable winds are also sweeping Australia, causing a period of extreme heat to the country's outback.
Agencies have announced burning restrictions for apprehension regarding wildfires.
