Powerful winds attaining speeds of approximately 155km/h (96mph) have left around 90,000 properties without power and led authorities to halt in excess of 100 flights, as reported by local media.
The winds are influencing the whole southern region and southern sections of the northern region, as stated by the country's meteorological service.
The nation's agencies have announced rare severe gust advisories - the highest alert level - in core zones such as Wellington and Canterbury.
Locals have been advised to stay indoors, avoid travel, and prepare for further electricity and network failures.
Extensive Impact and Emergency Measures
The power cut appears to be affecting households mostly in the South Island, while authorities report that the electricity supply was being slowly brought back.
Local media have reported that in some places roofs have been ripped off houses, while trees and electricity poles have been brought down by the winds.
Across Wellington, a man was lost his life after being struck by a wooden fragment at a frequent walking route on earlier this week.
Also in the capital, a individual was blown onto oncoming traffic on a thoroughfare by a intensive burst, in a moment that was recorded in a viral dashcam video.
Flights in and out of the urban area have been cancelled due to the weather, while various routes and public facilities are also closed.
Meanwhile local leaders have declared a state of emergency, to support recovery activities.
Labor Protests During Harsh Weather
The wild winds on this day coincide with many of school staff, physicians and civil servants take part in what has been called a "mega strike", demanding better pay and working conditions.
However the extreme weather has forced them to modify various scheduled activities, with some outdoor rallies moved indoors or abandoned.
Like conditions are also sweeping the neighboring country, ushering in a period of extreme heat to the nation's interior regions.
Agencies have declared fire bans for fear of wildfires.