Powerful gusts reaching speeds of as high as 155km/h (96mph) have resulted in approximately 90,000 households without power and led agencies to cancel in excess of 100 air travel services, as reported by domestic outlets.
The gales are influencing the complete South Island and lower areas of the North Island, according to the country's meteorological service.
The nation's agencies have announced uncommon high-level wind alerts - the top caution category - in central regions encompassing these major districts.
People have been advised to remain inside, avoid travel, and make arrangements for more electricity and network failures.
Extensive Impact and Emergency Response
The power cut appears to be affecting residences mainly in the southern region, though officials say that the electricity supply was being gradually reinstated.
Local media have indicated that in certain areas roofs have been ripped off houses, and power lines and trees have been brought down by the gusts.
Within the capital, a person was lost his life after being impacted by a wooden fragment at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a thoroughfare by a intensive burst, in a event that was captured in a popular vehicle recording.
Flights in and out of the urban area have been suspended because of the weather, while various routes and public facilities are shut down.
Simultaneously local leaders have declared a emergency situation, to assist emergency management operations.
Work Stoppages Amid Extreme Weather
These intense gusts on today come as tens of thousands of teachers, doctors and other public workers take part in what has been described as a "major walkout", calling for higher wages and enhanced employment terms.
Yet the severe conditions has forced them to modify certain arrangements, with various open-air gatherings shifted to interior venues or cancelled.
Similar gusts are affecting Australia, ushering in a high-temperature event to the remote areas.
Officials have announced fire bans for apprehension regarding bushfires.