Intense gales reaching velocities of as high as 155km/h (96mph) have caused nearly 90,000 households experiencing outages and forced officials to call off more than 100 aircraft departures, according to local media.
The gales are affecting the complete South Island and southern parts of the northern region, according to the national weather agency.
The nation's agencies have issued uncommon red wind warnings - the highest alert level - in core zones such as these major districts.
Locals have been advised to remain inside, stay off roads, and get ready for more utility disruptions.
Extensive Damage and Emergency Measures
The electricity loss appears to be affecting residences predominantly in the South Island, while agencies state that power was being restored progressively.
Local media have reported that in certain areas roofs have been ripped off houses, whereas power lines and trees have been knocked down by the winds.
Within the capital, a man was lost his life after being struck by a tree branch at a popular trail walking spot on Tuesday.
Also in the capital, a woman was pushed toward moving cars on a street by a intensive burst, in a moment that was recorded in a widely shared car camera footage.
Flights to and from the metropolis have been cancelled as a result of the winds, while some roads and libraries are also closed.
Simultaneously Canterbury officials have declared a state of emergency, to facilitate disaster response efforts.
Labor Protests Amid Severe Conditions
These intense gusts on this day come as many of teachers, doctors and other public workers take part in what has been called a "mega strike", requesting improved salaries and workplace environments.
But the severe conditions has pressured them to change some of their plans, with some outdoor rallies shifted to interior venues or abandoned.
Similar gusts are affecting the neighboring country, ushering in a period of extreme heat to the country's outback.
Officials have declared fire bans for apprehension regarding wildfires.