Powerful gusts reaching speeds of up to 155km/h (96mph) have caused approximately 90,000 homes lacking electricity and led authorities to cancel more than 100 flights, as reported by local media.
The winds are impacting the complete southern region and lower areas of the northern region, per the country's meteorological service.
New Zealand authorities have issued infrequent high-level wind alerts - the top caution category - in key areas such as Canterbury and Wellington.
Locals have been urged to remain inside, refrain from journeys, and get ready for further power and communication outages.
Broad Destruction and Emergency Response
The electricity loss seems to be impacting households predominantly in the South Island, though agencies state that power was being gradually reinstated.
Domestic outlets have indicated that in certain areas homes have lost their roofs, and trees and electricity poles have been toppled by the gusts.
In Wellington, a person was fatally injured after being hit by a wooden fragment at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a female was swept into approaching vehicles on a road by a intensive burst, in a moment that was filmed in a widely shared car camera footage.
Air travel to and from the metropolis have been cancelled as a result of the weather, and certain highways and community centers are shut down.
At the same time Canterbury officials have declared a emergency situation, to assist disaster response efforts.
Labor Protests Amid Extreme Weather
The wild winds on this day come as tens of thousands of school staff, physicians and civil servants are engaged in what has been described as a "significant labor action", demanding higher wages and enhanced employment terms.
However the extreme weather has compelled them to alter various scheduled activities, with some outdoor rallies relocated inside or called off.
Like conditions are impacting the nearby nation, bringing a high-temperature event to the remote areas.
Officials have announced fire bans for apprehension regarding bushfires.