Intense gusts hitting velocities of up to 155km/h (96mph) have left nearly 90,000 households lacking electricity and led agencies to halt more than 100 air travel services, according to regional news sources.
The gales are impacting the whole southern region and southern sections of the North Island, as stated by the country's meteorological service.
New Zealand authorities have announced uncommon severe gust advisories - the most severe warning - in key areas including Canterbury and Wellington.
People have been urged to avoid going outside, refrain from journeys, and prepare for additional utility disruptions.
Extensive Damage and Crisis Measures
This outage is primarily influencing homes mostly in the southern region, though authorities report that energy was being gradually reinstated.
Domestic outlets have indicated that in certain areas roofs have been ripped off houses, and trees and electricity poles have been brought down by the gusts.
Within the capital, a man was lost his life after being impacted by a falling limb at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a woman was blown onto approaching vehicles on a thoroughfare by a powerful blast, in a moment that was captured in a viral dashcam video.
Flights to and from the city have been cancelled because of the weather, while various routes and public facilities are not operating.
Simultaneously authorities in Canterbury have declared a crisis declaration, to assist recovery activities.
Strike Action Alongside Extreme Conditions
These intense gusts on today coincide with tens of thousands of school staff, physicians and civil servants take part in what has been called a "significant labor action", demanding better pay and working conditions.
But the severe conditions has forced them to modify some of their plans, with some outdoor rallies shifted to interior venues or abandoned.
Similar gusts are impacting Australia, causing a heatwave to the country's outback.
Agencies have announced flame prohibitions for fear of bushfires.
