Severe gusts reaching velocities of as high as 155km/h (96mph) have left around 90,000 properties without power and forced officials to call off more than 100 flights, as reported by regional news sources.
The gales are influencing the entire South Island and southern parts of the North Island, as stated by the weather forecasting body.
The nation's agencies have announced infrequent high-level wind alerts - the highest alert level - in core zones such as Canterbury and Wellington.
Locals have been encouraged to remain inside, refrain from journeys, and get ready for additional power and communication outages.
Broad Destruction and Emergency Response
The power cut is primarily influencing residences predominantly in the southern region, although authorities report that power was being gradually reinstated.
Regional news have reported that in certain areas structures have suffered roof damage, and trees and electricity poles have been brought down by the winds.
In Wellington, a person was fatally injured after being struck by a tree branch at a popular trail walking spot on earlier this week.
Additionally in the city, a woman was pushed toward moving cars on a street by a strong gust of wind, in a incident that was captured in a widely shared car camera footage.
Flights entering and leaving the urban area have been halted due to the gusts, whereas certain highways and community centers are not operating.
Meanwhile local leaders have declared a crisis declaration, to assist disaster response efforts.
Work Stoppages Alongside Severe Weather
The powerful gales on today come as many of school staff, physicians and civil servants are engaged in what has been called a "significant labor action", calling for higher wages and enhanced employment terms.
However the intense climate has forced them to alter certain arrangements, with various open-air gatherings moved indoors or abandoned.
Comparable winds are affecting the nearby nation, causing a period of extreme heat to the country's outback.
Officials have announced fire bans for apprehension regarding bushfires.
