Intense winds reaching velocities of approximately 155km/h (96mph) have left nearly 90,000 homes without power and forced agencies to halt over 100 air travel services, according to local media.
The winds are influencing the whole South Island and southern parts of the North Island, as stated by the weather forecasting body.
New Zealand authorities have issued rare red wind warnings - the most severe warning - in central regions such as these major districts.
Residents have been encouraged to avoid going outside, avoid travel, and prepare for further power and communication outages.
Widespread Impact and Crisis Response
This outage appears to be affecting homes mostly in the South Island, although authorities report that energy was being gradually reinstated.
Local media have stated that in certain areas structures have suffered roof damage, while trees and electricity poles have been toppled by the gales.
In Wellington, a person was lost his life after being impacted by a tree branch at a frequent walking route on earlier this week.
Additionally in the city, a woman was blown onto approaching vehicles on a road by a strong gust of wind, in a moment that was captured in a popular vehicle recording.
Aircraft services to and from the metropolis have been halted due to the weather, whereas some roads and libraries are not operating.
Meanwhile local leaders have declared a crisis declaration, to support disaster response efforts.
Labor Protests Alongside Extreme Weather
The powerful gales on today come as numerous of teachers, doctors and other public workers are engaged in what has been described as a "significant labor action", demanding improved salaries and workplace environments.
However the severe conditions has forced them to modify various scheduled activities, with several external protests shifted to interior venues or called off.
Comparable winds are impacting the nearby nation, bringing a period of extreme heat to the nation's interior regions.
Officials have announced fire bans for fear of wildfires.
