Intense gales reaching velocities of up to 155km/h (96mph) have resulted in approximately 90,000 properties lacking electricity and forced authorities to halt over 100 flights, as reported by local media.
The gales are affecting the complete South Island and lower areas of the North Island, according to the weather forecasting body.
New Zealand authorities have issued infrequent red wind warnings - the most severe warning - in key areas such as Wellington and Canterbury.
Locals have been urged to remain inside, refrain from journeys, and prepare for more electricity and network failures.
Broad Destruction and Crisis Response
This outage seems to be impacting homes predominantly in the South Island, though authorities say that the electricity supply was being slowly brought back.
Regional news have stated that in some places structures have suffered roof damage, while utility poles and vegetation have been knocked down by the winds.
Across Wellington, a man was lost his life after being hit by a wooden fragment at a well-known hiking path on Tuesday.
Additionally in the city, a individual was swept into approaching vehicles on a road by a powerful blast, in a incident that was recorded in a widely shared car camera footage.
Air travel in and out of the urban area have been suspended due to the gusts, whereas certain highways and community centers are also closed.
Simultaneously local leaders have announced a emergency situation, to assist disaster response efforts.
Labor Protests During Harsh Weather
The powerful gales on this day come as numerous of teachers, doctors and other public workers take part in what has been called a "mega strike", demanding improved salaries and workplace environments.
However the extreme weather has pressured them to modify certain arrangements, with several external protests shifted to interior venues or abandoned.
Comparable winds are affecting Australia, bringing a period of extreme heat to the nation's interior regions.
Authorities have issued burning restrictions for fear of wildfires.
