Severe gales attaining speeds of approximately 155km/h (96mph) have left approximately 90,000 households lacking electricity and forced officials to call off over 100 flights, according to local media.
The gales are affecting the whole southern region and southern sections of the North Island, as stated by the country's meteorological service.
The nation's agencies have issued infrequent severe gust advisories - the top caution category - in core zones encompassing Wellington and Canterbury.
People have been encouraged to avoid going outside, stay off roads, and get ready for more utility disruptions.
Broad Destruction and Crisis Response
The electricity loss appears to be affecting homes mainly in the South Island, although authorities say that energy was being slowly brought back.
Local media have reported that in some places roofs have been ripped off houses, and trees and electricity poles have been toppled by the winds.
Across Wellington, a man was fatally injured after being impacted by a tree branch at a popular trail walking spot on Tuesday.
Also in the capital, a female was pushed toward moving cars on a road by a powerful blast, in a event that was captured in a viral dashcam video.
Air travel to and from the urban area have been suspended as a result of the weather, while various routes and public facilities are shut down.
At the same time authorities in Canterbury have announced a crisis declaration, to facilitate emergency management operations.
Work Stoppages During Severe Conditions
The powerful gales on today occur while numerous of teachers, doctors and other public workers are participating in what has been termed a "major walkout", demanding better pay and working conditions.
But the intense climate has pressured them to alter certain arrangements, with some outdoor rallies moved indoors or abandoned.
Like conditions are impacting Australia, ushering in a period of extreme heat to the country's outback.
Authorities have announced flame prohibitions for fear of wildfires.
