Severe gales reaching speeds of up to 155km/h (96mph) have resulted in nearly 90,000 properties without power and forced agencies to halt more than 100 air travel services, according to domestic outlets.
These gusts are impacting the complete South Island and southern parts of the North Island, according to the national weather agency.
New Zealand authorities have issued infrequent severe gust advisories - the highest alert level - in key areas including these major districts.
Locals have been urged to remain inside, refrain from journeys, and make arrangements for more utility disruptions.
Widespread Destruction and Emergency Response
The power cut seems to be impacting homes mainly in the South Island, though authorities state that power was being restored progressively.
Local media have stated that in various locations structures have suffered roof damage, whereas utility poles and vegetation have been brought down by the gales.
Across Wellington, a man was fatally injured after being impacted by a tree branch at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was swept into moving cars on a thoroughfare by a strong gust of wind, in a incident that was captured in a popular vehicle recording.
Aircraft services to and from the urban area have been suspended as a result of the weather, whereas certain highways and community centers are also closed.
Meanwhile Canterbury officials have issued a crisis declaration, to support disaster response efforts.
Labor Protests Alongside Extreme Weather
The powerful gales on this day coincide with many of educators, medical professionals and government employees are engaged in what has been described as a "major walkout", calling for improved salaries and workplace environments.
Yet the severe conditions has pressured them to change certain arrangements, with various open-air gatherings moved indoors or cancelled.
Like conditions are impacting the neighboring country, ushering in a heatwave to the remote areas.
Officials have issued fire bans for fear of bushfires.
