Severe gales attaining velocities of as high as 155km/h (96mph) have caused nearly 90,000 properties without power and forced officials to halt over 100 flights, based on local media.
The winds are affecting the entire South Island and southern parts of the North Island, according to the country's meteorological service.
New Zealand authorities have issued rare red wind warnings - the highest alert level - in key areas such as Canterbury and Wellington.
Locals have been encouraged to stay indoors, refrain from journeys, and prepare for more utility disruptions.
Extensive Destruction and Crisis Measures
The electricity loss seems to be impacting households mainly in the South Island, although agencies say that power was being restored progressively.
Local media have indicated that in some places structures have suffered roof damage, while power lines and trees have been knocked down by the gales.
Within the capital, a individual was lost his life after being hit by a falling limb at a popular trail walking spot on Tuesday.
Additionally in the city, a individual was swept into moving cars on a road by a intensive burst, in a incident that was captured in a viral dashcam video.
Aircraft services entering and leaving the city have been cancelled as a result of the gusts, whereas various routes and public facilities are also closed.
At the same time Canterbury officials have declared a crisis declaration, to assist emergency management operations.
Work Stoppages Alongside Extreme Conditions
These intense gusts on today coincide with numerous of educators, medical professionals and government employees take part in what has been termed a "mega strike", requesting higher wages and enhanced employment terms.
However the intense climate has forced them to alter certain arrangements, with various open-air gatherings shifted to interior venues or cancelled.
Similar gusts are also sweeping Australia, causing a high-temperature event to the nation's interior regions.
Officials have issued flame prohibitions for concern about bushfires.
