Powerful winds hitting speeds of as high as 155km/h (96mph) have caused around 90,000 homes lacking electricity and led authorities to cancel over 100 flights, as reported by regional news sources.
The winds are impacting the complete southern region and lower areas of the North Island, according to the weather forecasting body.
The nation's agencies have announced uncommon red wind warnings - the highest alert level - in key areas encompassing Wellington and Canterbury.
Locals have been encouraged to avoid going outside, avoid travel, and get ready for more electricity and network failures.
Extensive Damage and Emergency Response
The power cut is primarily influencing residences mostly in the South Island, while officials state that the electricity supply was being gradually reinstated.
Regional news have reported that in certain areas structures have suffered roof damage, whereas power lines and trees have been brought down by the gusts.
In Wellington, a individual was killed after being struck by a wooden fragment at a well-known hiking path on earlier this week.
Additionally in the city, a woman was pushed toward oncoming traffic on a thoroughfare by a intensive burst, in a incident that was captured in a popular vehicle recording.
Air travel to and from the city have been halted because of the weather, while various routes and public facilities are also closed.
Simultaneously Canterbury officials have announced a state of emergency, to assist recovery activities.
Strike Action During Harsh Weather
These intense gusts on this day occur while numerous of educators, medical professionals and government employees are engaged in what has been described as a "major walkout", requesting improved salaries and workplace environments.
However the extreme weather has pressured them to change some of their plans, with some outdoor rallies moved indoors or cancelled.
Like conditions are also sweeping the neighboring country, causing a heatwave to the remote areas.
Authorities have announced flame prohibitions for concern about bushfires.
