Intense gusts reaching speeds of approximately 155km/h (96mph) have caused nearly 90,000 homes lacking electricity and forced authorities to halt more than 100 air travel services, according to local media.
The gales are influencing the entire South Island and southern sections of the northern region, according to the country's meteorological service.
New Zealand authorities have issued uncommon red wind warnings - the highest alert level - in core zones such as Canterbury and Wellington.
People have been advised to stay indoors, avoid travel, and get ready for further utility disruptions.
Broad Impact and Crisis Response
The power cut seems to be impacting homes mainly in the South Island, while agencies state that the electricity supply was being slowly brought back.
Domestic outlets have reported that in various locations structures have suffered roof damage, whereas power lines and trees have been knocked down by the winds.
Within the capital, a person was lost his life after being hit by a wooden fragment at a popular trail walking spot on earlier this week.
Also in the capital, a individual was pushed toward approaching vehicles on a thoroughfare by a strong gust of wind, in a incident that was captured in a popular vehicle recording.
Flights entering and leaving the metropolis have been cancelled as a result of the weather, and some roads and libraries are shut down.
Simultaneously Canterbury officials have issued a emergency situation, to assist recovery activities.
Labor Protests Amid Harsh Weather
The powerful gales on Thursday coincide with many of teachers, doctors and other public workers are engaged in what has been described as a "mega strike", demanding higher wages and enhanced employment terms.
However the extreme weather has pressured them to alter various scheduled activities, with several external protests shifted to interior venues or abandoned.
Comparable winds are affecting the nearby nation, bringing a heatwave to the remote areas.
Officials have announced flame prohibitions for fear of forest fires.
