Severe winds attaining velocities of as high as 155km/h (96mph) have caused around 90,000 properties lacking electricity and forced authorities to halt over 100 flights, based on local media.
The gales are affecting the entire southern region and southern parts of the northern region, according to the country's meteorological service.
The nation's agencies have announced rare high-level wind alerts - the most severe warning - in central regions such as Wellington and Canterbury.
Residents have been advised to stay indoors, refrain from journeys, and make arrangements for more electricity and network failures.
Extensive Destruction and Crisis Measures
The power cut seems to be impacting homes mainly in the South Island, though authorities state that energy was being gradually reinstated.
Domestic outlets have stated that in various locations structures have suffered roof damage, while trees and electricity poles have been knocked down by the winds.
Across Wellington, a individual was killed after being hit by a wooden fragment at a frequent walking route on earlier this week.
Meanwhile in Wellington, a female was blown onto moving cars on a thoroughfare by a intensive burst, in a event that was captured in a popular vehicle recording.
Air travel to and from the metropolis have been cancelled as a result of the gusts, and certain highways and community centers are shut down.
At the same time Canterbury officials have issued a state of emergency, to assist emergency management operations.
Strike Action Amid Harsh Weather
These intense gusts on this day come as many of school staff, physicians and civil servants take part in what has been described as a "major walkout", requesting higher wages and enhanced employment terms.
Yet the extreme weather has pressured them to modify certain arrangements, with some outdoor rallies shifted to interior venues or called off.
Like conditions are impacting the neighboring country, ushering in a heatwave to the nation's interior regions.
Authorities have issued flame prohibitions for fear of forest fires.
