Intense gusts attaining velocities of up to 155km/h (96mph) have caused nearly 90,000 properties lacking electricity and forced officials to call off more than 100 aircraft departures, as reported by domestic outlets.
The gales are impacting the complete South Island and southern parts of the northern region, as stated by the country's meteorological service.
New Zealand authorities have issued uncommon high-level wind alerts - the highest alert level - in core zones encompassing Wellington and Canterbury.
People have been encouraged to stay indoors, avoid travel, and prepare for additional power and communication outages.
Extensive Destruction and Crisis Response
The electricity loss is primarily influencing residences mostly in the South Island, although officials say that the electricity supply was being slowly brought back.
Regional news have indicated that in various locations structures have suffered roof damage, and 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 individual was pushed toward oncoming traffic on a street by a intensive burst, in a moment that was captured in a viral dashcam video.
Flights entering and leaving the urban area have been cancelled as a result of the winds, and certain highways and community centers are shut down.
Simultaneously Canterbury officials have declared a crisis declaration, to assist recovery activities.
Labor Protests During Harsh Weather
The wild winds on Thursday occur while many of school staff, physicians and civil servants are engaged in what has been termed a "significant labor action", demanding higher wages and enhanced employment terms.
But the intense climate has compelled them to modify various scheduled activities, with some outdoor rallies relocated inside or cancelled.
Similar gusts are impacting the nearby nation, causing a high-temperature event to the country's outback.
Officials have declared burning restrictions for fear of wildfires.
