Severe gales attaining speeds of approximately 155km/h (96mph) have caused nearly 90,000 households lacking electricity and forced agencies to halt more than 100 flights, based on local media.
The gales are impacting the whole South Island and southern sections of the northern region, as stated by the country's meteorological service.
The nation's agencies have issued rare high-level wind alerts - the top caution category - in central regions such as these major districts.
People have been advised to stay indoors, refrain from journeys, and prepare for further utility disruptions.
Broad Damage and Crisis Response
The power cut appears to be affecting households mainly in the South Island, while officials state that energy was being gradually reinstated.
Local media have stated that in certain areas roofs have been ripped off houses, while utility poles and vegetation have been brought down by the winds.
In Wellington, a man was fatally injured after being struck by a wooden fragment at a well-known hiking path on Tuesday.
Additionally in the city, a female was blown onto moving cars on a road by a intensive burst, in a moment that was captured in a widely shared car camera footage.
Flights entering and leaving the metropolis have been halted because of the gusts, while various routes and public facilities are shut down.
At the same time Canterbury officials have announced a state of emergency, to support emergency management operations.
Labor Protests During Severe Conditions
The wild winds on Thursday come as tens of thousands of educators, medical professionals and government employees are participating in what has been called a "major walkout", calling for improved salaries and workplace environments.
But the severe conditions has forced them to modify some of their plans, with various open-air gatherings shifted to interior venues or cancelled.
Like conditions are impacting the nearby nation, ushering in a high-temperature event to the nation's interior regions.
Authorities have issued fire bans for apprehension regarding forest fires.
