Intense gales hitting velocities of approximately 155km/h (96mph) have caused nearly 90,000 homes lacking electricity and forced authorities to call off over 100 aircraft departures, based on domestic outlets.
These gusts are influencing the whole southern region and southern parts of the North Island, per the weather forecasting body.
Officials in New Zealand have announced rare red wind warnings - the top caution category - in central regions encompassing Wellington and Canterbury.
People have been advised to avoid going outside, refrain from journeys, and make arrangements for additional electricity and network failures.
Widespread Damage and Crisis Response
The electricity loss appears to be affecting residences predominantly in the South Island, while agencies state that the electricity supply was being slowly brought back.
Local media have reported that in various locations structures have suffered roof damage, and power lines and trees have been brought down by the winds.
Within the capital, a person was lost his life after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was blown onto approaching vehicles on a street by a intensive burst, in a moment that was captured in a viral dashcam video.
Aircraft services in and out of the city have been cancelled due to the winds, and some roads and libraries are not operating.
At the same time Canterbury officials have issued a crisis declaration, to assist emergency management operations.
Work Stoppages Alongside Harsh Conditions
These intense gusts on Thursday come as many of teachers, doctors and other public workers are engaged in what has been termed a "major walkout", requesting improved salaries and workplace environments.
However the severe conditions has compelled them to modify some of their plans, with various open-air gatherings moved indoors or abandoned.
Similar gusts are affecting Australia, causing a heatwave to the remote areas.
Authorities have issued fire bans for fear of bushfires.
