Severe gales hitting speeds of as high as 155km/h (96mph) have left approximately 90,000 homes lacking electricity and led agencies to halt over 100 flights, based on local media.
The gales are impacting the entire South Island and lower areas of the North Island, according to the weather forecasting body.
The nation's agencies have issued infrequent red wind warnings - the most severe warning - in core zones including Canterbury and Wellington.
Locals have been urged to remain inside, avoid travel, and get ready for more power and communication outages.
Widespread Impact and Crisis Response
This outage appears to be affecting residences predominantly in the South Island, although agencies say that energy was being restored progressively.
Domestic outlets have reported that in certain areas homes have lost their roofs, while trees and electricity poles have been knocked down by the winds.
In Wellington, a individual was killed after being hit by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was blown onto oncoming traffic on a street by a intensive burst, in a event that was filmed in a popular vehicle recording.
Flights to and from the metropolis have been cancelled as a result of the weather, whereas some roads and libraries are also closed.
Simultaneously Canterbury officials have announced a crisis declaration, to support disaster response efforts.
Strike Action Alongside Extreme Conditions
These intense gusts on this day occur while tens of thousands of school staff, physicians and civil servants take part in what has been called a "major walkout", requesting better pay and working conditions.
Yet the severe conditions has forced them to modify various scheduled activities, with some outdoor rallies moved indoors or abandoned.
Like conditions are impacting the nearby nation, bringing a heatwave to the country's outback.
Authorities have declared flame prohibitions for apprehension regarding wildfires.
