Intense gusts attaining velocities of as high as 155km/h (96mph) have caused nearly 90,000 homes without power and forced officials to cancel in excess of 100 air travel services, based on local media.
These gusts are influencing the entire southern region and lower areas of the North Island, according to the weather forecasting body.
The nation's agencies have announced rare red wind warnings - the most severe warning - in key areas encompassing Wellington and Canterbury.
Residents have been urged to stay indoors, stay off roads, and make arrangements for further utility disruptions.
Widespread Damage and Crisis Measures
The power cut is primarily influencing households predominantly in the South Island, while agencies state that energy was being slowly brought back.
Regional news have indicated that in certain areas structures have suffered roof damage, whereas power lines and trees have been toppled by the winds.
Within the capital, a man was lost his life after being struck by a falling limb at a well-known hiking path on Tuesday.
Also in the capital, a woman was blown onto moving cars on a road by a powerful blast, in a moment that was captured in a viral dashcam video.
Aircraft services to and from the urban area have been halted as a result of the weather, and certain highways and community centers are also closed.
At the same time local leaders have declared a emergency situation, to assist disaster response efforts.
Labor Protests Alongside Severe Weather
The powerful gales on Thursday occur while many of school staff, physicians and civil servants are participating in what has been called a "major walkout", requesting improved salaries and workplace environments.
However the intense climate has compelled them to modify certain arrangements, with various open-air gatherings relocated inside or called off.
Similar gusts are impacting the neighboring country, ushering in a high-temperature event to the country's outback.
Officials have issued burning restrictions for concern about wildfires.
