Severe gales attaining velocities of as high as 155km/h (96mph) have left around 90,000 homes lacking electricity and led agencies to halt over 100 flights, based on local media.
The gales are affecting the complete southern region and southern parts of the northern region, according to the weather forecasting body.
Officials in New Zealand have released rare red wind warnings - the most severe warning - in central regions including Canterbury and Wellington.
Locals have been urged to remain inside, refrain from journeys, and get ready for more electricity and network failures.
Extensive Damage and Crisis Measures
This outage is primarily influencing residences predominantly in the southern region, although agencies state that power was being gradually reinstated.
Domestic outlets have indicated that in some places structures have suffered roof damage, and utility poles and vegetation have been toppled by the winds.
Across Wellington, a individual was lost his life after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a woman was swept into moving cars on a road by a powerful blast, in a event that was recorded in a viral dashcam video.
Aircraft services in and out of the metropolis have been suspended due to the gusts, while some roads and libraries are shut down.
Simultaneously local leaders have announced a emergency situation, to support emergency management operations.
Strike Action Amid Severe Conditions
The powerful gales on Thursday come as numerous of teachers, doctors and other public workers are engaged in what has been called a "mega strike", calling for improved salaries and workplace environments.
However the intense climate has forced them to change various scheduled activities, with various open-air gatherings shifted to interior venues or called off.
Like conditions are affecting the nearby nation, ushering in a high-temperature event to the remote areas.
Authorities have announced fire bans for concern about wildfires.
