Severe gales attaining velocities of approximately 155km/h (96mph) have caused approximately 90,000 homes without power and compelled officials to call off over 100 air travel services, as reported by local media.
The winds are influencing the complete South Island and southern parts of the North Island, per the national weather agency.
The nation's agencies have issued rare high-level wind alerts - the highest alert level - in key areas such as Canterbury and Wellington.
Locals have been advised to avoid going outside, refrain from journeys, and prepare for more power and communication outages.
Broad Impact and Crisis Response
This outage is primarily influencing homes mainly in the South Island, though authorities state that the electricity supply was being gradually reinstated.
Domestic outlets have stated that in various locations roofs have been ripped off houses, while power lines and trees have been brought down by the winds.
In Wellington, a individual was fatally injured after being hit by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a female was blown onto oncoming traffic on a thoroughfare by a strong gust of wind, in a event that was filmed in a widely shared car camera footage.
Aircraft services to and from the metropolis have been halted due to the gusts, while certain highways and community centers are also closed.
Meanwhile local leaders have issued a crisis declaration, to facilitate emergency management operations.
Strike Action During Harsh Weather
The powerful gales on this day occur while numerous of teachers, doctors and other public workers are participating in what has been called a "mega strike", demanding improved salaries and workplace environments.
But the extreme weather has forced them to modify certain arrangements, with some outdoor rallies shifted to interior venues or called off.
Like conditions are also sweeping the nearby nation, causing a heatwave to the remote areas.
Authorities have declared flame prohibitions for concern about forest fires.
