Severe winds reaching speeds of approximately 155km/h (96mph) have caused around 90,000 properties lacking electricity and forced agencies to halt in excess of 100 air travel services, as reported by regional news sources.
The gales are affecting the whole southern region and southern parts of the North Island, according to the national weather agency.
New Zealand authorities have issued infrequent high-level wind alerts - the most severe warning - in core zones such as these major districts.
Locals have been advised to remain inside, stay off roads, and make arrangements for more power and communication outages.
Extensive Impact and Crisis Measures
The power cut seems to be impacting homes mostly in the South Island, though officials state that energy was being gradually reinstated.
Regional news have indicated that in certain areas homes have lost their roofs, while trees and electricity poles have been toppled by the gusts.
In Wellington, a man was killed after being impacted by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was pushed toward approaching vehicles on a street by a powerful blast, in a moment that was captured in a viral dashcam video.
Air travel to and from the metropolis have been suspended because of the winds, while some roads and libraries are not operating.
At the same time local leaders have issued a state of emergency, to support recovery activities.
Work Stoppages During Severe Weather
The powerful gales on today come as numerous of teachers, doctors and other public workers are engaged in what has been called a "major walkout", requesting higher wages and enhanced employment terms.
But the extreme weather has pressured them to modify various scheduled activities, with various open-air gatherings relocated inside or abandoned.
Similar gusts are affecting Australia, causing a period of extreme heat to the country's outback.
Authorities have issued fire bans for fear of forest fires.
