Powerful winds attaining speeds of as high as 155km/h (96mph) have left around 90,000 homes experiencing outages and forced authorities to cancel over 100 aircraft departures, as reported by domestic outlets.
The gales are influencing the complete South Island and southern sections of the northern region, according to the weather forecasting body.
The nation's agencies have issued uncommon red wind warnings - the top caution category - in central regions including Canterbury and Wellington.
Residents have been advised to remain inside, avoid travel, and make arrangements for further electricity and network failures.
Broad Impact and Crisis Response
This outage is primarily influencing households mostly in the South Island, while authorities say that energy was being restored progressively.
Domestic outlets have stated that in some places structures have suffered roof damage, while trees and electricity poles have been knocked down by the winds.
Within the capital, a person was fatally injured after being hit by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a individual was blown onto moving cars on a street by a intensive burst, in a event that was recorded in a widely shared car camera footage.
Air travel to and from the urban area have been cancelled as a result of the winds, and various routes and public facilities are shut down.
Meanwhile Canterbury officials have issued a emergency situation, to assist emergency management operations.
Strike Action Alongside Severe Weather
These intense gusts on today occur while tens of thousands of school staff, physicians and civil servants are participating in what has been termed a "major walkout", requesting improved salaries and workplace environments.
However the intense climate has forced them to alter some of their plans, with some outdoor rallies relocated inside or cancelled.
Similar gusts are affecting the nearby nation, bringing a high-temperature event to the remote areas.
Authorities have declared burning restrictions for concern about bushfires.