Powerful gusts attaining velocities of up to 155km/h (96mph) have left nearly 90,000 properties without power and forced authorities to cancel more than 100 air travel services, as reported by local media.
The gales are influencing the complete South Island and southern sections of the North Island, as stated by the country's meteorological service.
New Zealand authorities have released infrequent high-level wind alerts - the most severe warning - in core zones encompassing Wellington and Canterbury.
People have been urged to remain inside, stay off roads, and get ready for further power and communication outages.
Extensive Destruction and Emergency Response
The power cut appears to be affecting households predominantly in the southern region, though authorities 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 toppled by the gales.
In Wellington, a man was killed after being impacted by a wooden fragment at a frequent walking route on earlier this week.
Additionally in the city, a woman was pushed toward oncoming traffic on a road by a powerful blast, in a moment that was captured in a popular vehicle recording.
Aircraft services entering and leaving the urban area have been suspended because of the winds, whereas certain highways and community centers are not operating.
Simultaneously Canterbury officials have issued a state of emergency, to assist emergency management operations.
Work Stoppages Amid Extreme Weather
The wild winds on this day occur while many of teachers, doctors and other public workers take part in what has been described as a "major walkout", demanding improved salaries and workplace environments.
However the intense climate has compelled them to change certain arrangements, with various open-air gatherings shifted to interior venues or cancelled.
Similar gusts are also sweeping Australia, bringing a heatwave to the remote areas.
Agencies have issued fire bans for apprehension regarding forest fires.
