Severe winds hitting velocities of as high as 155km/h (96mph) have left nearly 90,000 homes without power and compelled officials to call off over 100 air travel services, according to domestic outlets.
These gusts are affecting the entire South Island and southern parts of the northern region, according to the national weather agency.
Officials in New Zealand have announced rare severe gust advisories - the highest alert level - in central regions such as Wellington and Canterbury.
Locals have been advised to avoid going outside, stay off roads, and prepare for more utility disruptions.
Extensive Damage and Crisis Measures
The electricity loss is primarily influencing households mainly in the South Island, while agencies report that the electricity supply was being slowly brought back.
Domestic outlets have reported that in various locations roofs have been ripped off houses, whereas power lines and trees have been toppled by the gales.
Across Wellington, a individual was lost his life after being struck by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a woman was pushed toward oncoming traffic on a street by a intensive burst, in a event that was filmed in a viral dashcam video.
Aircraft services entering and leaving the city have been halted because of the winds, whereas various routes and public facilities are not operating.
Meanwhile Canterbury officials have declared a emergency situation, to facilitate recovery activities.
Strike Action Alongside Severe Conditions
The powerful gales on this day come as tens of thousands of school staff, physicians and civil servants are participating in what has been called a "major walkout", demanding better pay and working conditions.
However the intense climate has forced them to alter some of their plans, with some outdoor rallies shifted to interior venues or called off.
Similar gusts are impacting the nearby nation, bringing a high-temperature event to the remote areas.
Officials have announced burning restrictions for apprehension regarding wildfires.
