Intense gales attaining velocities of up to 155km/h (96mph) have caused approximately 90,000 households experiencing outages and led agencies to cancel more than 100 air travel services, based on domestic outlets.
These gusts are affecting the whole South Island and southern sections of the North Island, according to the country's meteorological service.
Officials in New Zealand have announced rare red wind warnings - the most severe warning - in key areas encompassing these major districts.
People have been urged to avoid going outside, stay off roads, and prepare for additional electricity and network failures.
Extensive Destruction and Crisis Measures
The power cut is primarily influencing households mainly in the South Island, though officials state that power was being restored progressively.
Regional news have stated that in certain areas roofs have been ripped off houses, while trees and electricity poles have been toppled by the winds.
In Wellington, a man was lost his life after being struck by a falling limb at a popular trail walking spot on Tuesday.
Also in the capital, a woman was pushed toward moving cars on a thoroughfare by a powerful blast, in a moment that was captured in a viral dashcam video.
Flights entering and leaving the metropolis have been cancelled due to the gusts, whereas some roads and libraries are shut down.
At the same time local leaders have issued a crisis declaration, to assist emergency management operations.
Strike Action Amid Severe Weather
The powerful gales on today occur while tens of thousands of school staff, physicians and civil servants take part in what has been termed a "mega strike", requesting improved salaries and workplace environments.
Yet the extreme weather has forced them to alter some of their plans, with several external protests relocated inside or abandoned.
Similar gusts are also sweeping the neighboring country, causing a high-temperature event to the remote areas.
Officials have issued fire bans for fear of forest fires.
