Powerful winds hitting speeds of up to 155km/h (96mph) have resulted in around 90,000 homes without power and led authorities to call off more than 100 aircraft departures, according to local media.
The gales are impacting the whole southern region and lower areas of the northern region, according to the national weather agency.
New Zealand authorities have released uncommon red wind warnings - the highest alert level - in central regions such as Canterbury and Wellington.
People have been advised to stay indoors, avoid travel, and get ready for further utility disruptions.
Broad Destruction and Emergency Response
The electricity loss appears to be affecting households mostly in the southern region, although officials state that energy was being slowly brought back.
Regional news have stated that in various locations homes have lost their roofs, whereas power lines and trees have been brought down by the gusts.
Across Wellington, a individual was fatally injured after being struck by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a individual was pushed toward oncoming traffic on a thoroughfare by a strong gust of wind, in a moment that was recorded in a popular vehicle recording.
Aircraft services in and out of the metropolis have been suspended due to the weather, and various routes and public facilities are not operating.
At the same time Canterbury officials have announced a state of emergency, to assist disaster response efforts.
Work Stoppages Alongside Severe Weather
The powerful gales on this day come as tens of thousands of school staff, physicians and civil servants are participating in what has been described as a "significant labor action", requesting improved salaries and workplace environments.
Yet the severe conditions has compelled them to change various scheduled activities, with some outdoor rallies moved indoors or abandoned.
Comparable winds are impacting Australia, ushering in a high-temperature event to the country's outback.
Authorities have announced fire bans for fear of forest fires.
