Powerful gales reaching velocities of as high as 155km/h (96mph) have left nearly 90,000 homes without power and compelled authorities to halt over 100 aircraft departures, based on domestic outlets.
The gales are affecting the entire southern region and lower areas of the North Island, per the country's meteorological service.
New Zealand authorities have released infrequent severe gust advisories - the top caution category - in central regions encompassing Wellington and Canterbury.
Residents have been urged to remain inside, avoid travel, and make arrangements for further electricity and network failures.
Extensive Damage and Emergency Response
The power cut appears to be affecting households mostly in the South Island, although agencies state that the electricity supply was being slowly brought back.
Domestic outlets have indicated that in various locations structures have suffered roof damage, and power lines and trees have been knocked down by the winds.
Across Wellington, a man was lost his life after being impacted by a falling limb at a popular trail walking spot on earlier this week.
Also in the capital, a individual was pushed toward approaching vehicles on a road by a powerful blast, in a incident that was recorded in a viral dashcam video.
Flights in and out of the metropolis have been suspended because of the weather, whereas some roads and libraries are also closed.
At the same time Canterbury officials have issued a emergency situation, to assist emergency management operations.
Strike Action Alongside Harsh Weather
The powerful gales on Thursday coincide with tens of thousands of teachers, doctors and other public workers take part in what has been termed a "significant labor action", requesting improved salaries and workplace environments.
Yet the severe conditions has forced them to modify various scheduled activities, with some outdoor rallies relocated inside or abandoned.
Comparable winds are also sweeping Australia, ushering in a heatwave to the remote areas.
Officials have declared flame prohibitions for concern about bushfires.
