Intense winds reaching velocities of as high as 155km/h (96mph) have caused around 90,000 households without power and led agencies to call off more than 100 flights, as reported by local media.
The winds are affecting the whole South Island and lower areas of the North Island, as stated by the weather forecasting body.
The nation's agencies have issued infrequent severe gust advisories - the most severe warning - in key areas including these major districts.
Residents have been advised to remain inside, refrain from journeys, and make arrangements for more utility disruptions.
Extensive Damage and Emergency Response
The electricity loss seems to be impacting households predominantly in the southern region, although authorities say that power was being restored progressively.
Local media have stated that in some places roofs have been ripped off houses, whereas power lines and trees have been knocked down by the gales.
Across Wellington, a individual was lost his life after being hit by a tree branch at a popular trail walking spot on Tuesday.
Also in the capital, a woman was pushed toward approaching vehicles on a street by a powerful blast, in a event that was captured in a popular vehicle recording.
Air travel in and out of the city have been halted because of the gusts, and various routes and public facilities are not operating.
At the same time Canterbury officials have declared a state of emergency, to support emergency management operations.
Work Stoppages Amid Harsh Weather
The wild winds on this day come as many of teachers, doctors and other public workers are engaged in what has been called a "mega strike", demanding higher wages and enhanced employment terms.
Yet the extreme weather has forced them to modify certain arrangements, with various open-air gatherings moved indoors or called off.
Comparable winds are also sweeping the nearby nation, ushering in a period of extreme heat to the remote areas.
Officials have declared burning restrictions for apprehension regarding wildfires.
