Powerful winds reaching velocities of approximately 155km/h (96mph) have caused approximately 90,000 properties without power and led officials to halt more than 100 flights, based on local media.
The winds are impacting the entire southern region and southern parts of the North Island, according to the country's meteorological service.
New Zealand authorities have issued rare red wind warnings - the most severe warning - in key areas encompassing these major districts.
Locals have been advised to avoid going outside, stay off roads, and get ready for more power and communication outages.
Widespread Destruction and Crisis Measures
The power cut appears to be affecting households mostly in the South Island, although authorities say that power was being slowly brought back.
Regional news have indicated that in certain areas roofs have been ripped off houses, 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 wooden fragment at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a female was blown onto moving cars on a road by a intensive burst, in a event that was recorded in a widely shared car camera footage.
Flights to and from the urban area have been cancelled as a result of the weather, and some roads and libraries are also closed.
Meanwhile authorities in Canterbury have announced a crisis declaration, to facilitate emergency management operations.
Labor Protests Amid Extreme Weather
These intense gusts on Thursday coincide with many of school staff, physicians and civil servants take part in what has been termed a "mega strike", requesting improved salaries and workplace environments.
However the extreme weather has compelled them to alter some of their plans, with several external protests moved indoors or abandoned.
Like conditions are impacting the neighboring country, bringing a period of extreme heat to the country's outback.
Agencies have declared flame prohibitions for apprehension regarding bushfires.