Intense gales hitting velocities of approximately 155km/h (96mph) have left approximately 90,000 homes experiencing outages and forced authorities to halt over 100 flights, as reported by local media.
These gusts are affecting the entire southern region and southern sections of the North Island, according to the country's meteorological service.
The nation's agencies have announced uncommon red wind warnings - the highest alert level - in key areas such as Canterbury and Wellington.
People have been urged to stay indoors, stay off roads, and make arrangements for more power and communication outages.
Broad Impact and Crisis Response
The power cut appears to be affecting homes mostly in the South Island, while officials state that energy was being gradually reinstated.
Domestic outlets have stated that in various locations homes have lost their roofs, and utility poles and vegetation have been toppled by the gales.
Across Wellington, a man was lost his life after being impacted by a wooden fragment at a well-known hiking path on Tuesday.
Also in the capital, a woman was pushed toward approaching vehicles on a road by a intensive burst, in a event that was recorded in a viral dashcam video.
Aircraft services to and from the metropolis have been cancelled as a result of the gusts, and various routes and public facilities are also closed.
At the same time local leaders have issued a crisis declaration, to assist recovery activities.
Strike Action Amid Extreme Weather
The wild winds on this day come as many of school staff, physicians and civil servants take part in what has been called a "significant labor action", calling for higher wages and enhanced employment terms.
Yet the extreme weather has pressured them to modify certain arrangements, with some outdoor rallies moved indoors or called off.
Similar gusts are also sweeping the nearby nation, causing a high-temperature event to the nation's interior regions.
Officials have issued flame prohibitions for apprehension regarding bushfires.
