Powerful gusts reaching velocities of as high as 155km/h (96mph) have caused nearly 90,000 properties without power and forced officials to call off over 100 air travel services, based on local media.
These gusts are impacting the complete southern region and southern sections of the North Island, per the national weather agency.
The nation's agencies have released uncommon high-level wind alerts - the highest alert level - in key areas such as these major districts.
Locals have been advised to remain inside, avoid travel, and make arrangements for additional power and communication outages.
Broad Destruction and Emergency Response
The power cut seems to be impacting households mostly in the South Island, although authorities report that the electricity supply was being slowly brought back.
Regional news have reported that in various locations roofs have been ripped off houses, whereas utility poles and vegetation have been toppled by the winds.
In Wellington, a individual was fatally injured after being struck by a tree branch at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was blown onto oncoming traffic on a street by a intensive burst, in a event that was captured in a viral dashcam video.
Air travel entering and leaving the urban area have been suspended because of the weather, and some roads and libraries are not operating.
Meanwhile Canterbury officials have announced a state of emergency, to facilitate disaster response efforts.
Strike Action During Harsh Weather
These intense gusts on this day coincide with numerous of teachers, doctors and other public workers are engaged in what has been termed a "significant labor action", calling for higher wages and enhanced employment terms.
Yet the extreme weather has pressured them to modify some of their plans, with some outdoor rallies moved indoors or abandoned.
Similar gusts are also sweeping the neighboring country, bringing a period of extreme heat to the country's outback.
Officials have declared fire bans for concern about bushfires.