Powerful gusts reaching speeds of as high as 155km/h (96mph) have left nearly 90,000 homes without power and forced authorities to cancel over 100 aircraft departures, according to local media.
The gales are influencing the whole southern region and southern sections of the northern region, per the national weather agency.
The nation's agencies have issued infrequent red wind warnings - the highest alert level - in central regions encompassing Wellington and Canterbury.
Locals have been urged to stay indoors, stay off roads, and prepare for more power and communication outages.
Extensive Destruction and Crisis Measures
The power cut appears to be affecting homes mainly in the South Island, while authorities state that energy was being slowly brought back.
Regional news have stated that in various locations roofs have been ripped off houses, and power lines and trees have been brought down by the gusts.
Within the capital, a man was lost his life after being impacted by a wooden fragment at a popular trail walking spot on Tuesday.
Additionally in the city, a woman was blown onto moving cars on a thoroughfare by a powerful blast, in a event that was filmed in a popular vehicle recording.
Aircraft services in and out of the metropolis have been cancelled because of the weather, while some roads and libraries are not operating.
Simultaneously local leaders have declared a state of emergency, to facilitate recovery activities.
Labor Protests Alongside Severe Conditions
The wild winds on today come as many of educators, medical professionals and government employees are participating in what has been termed a "mega strike", demanding improved salaries and workplace environments.
But the intense climate has compelled them to alter some of their plans, with various open-air gatherings shifted to interior venues or abandoned.
Like conditions are affecting Australia, bringing a heatwave to the nation's interior regions.
Officials have issued flame prohibitions for concern about forest fires.