Severe gusts reaching speeds of approximately 155km/h (96mph) have left nearly 90,000 properties lacking electricity and led authorities to call off more than 100 flights, according to regional news sources.
The gales are influencing the complete southern region and lower areas of the northern region, per the national weather agency.
New Zealand authorities have announced infrequent severe gust advisories - the top caution category - in key areas encompassing Wellington and Canterbury.
Residents have been encouraged to remain inside, refrain from journeys, and get ready for additional utility disruptions.
Widespread Destruction and Emergency Response
The power cut appears to be affecting households mostly in the southern region, while agencies report that energy was being gradually reinstated.
Regional news have stated that in some places structures have suffered roof damage, while trees and electricity poles have been brought down by the gales.
In Wellington, a person was fatally injured after being struck by a falling limb at a popular trail walking spot on earlier this week.
Also in the capital, a woman was pushed toward oncoming traffic on a street by a intensive burst, in a incident that was filmed in a widely shared car camera footage.
Air travel entering and leaving the city have been cancelled as a result of the winds, while certain highways and community centers are also closed.
Simultaneously authorities in Canterbury have issued a state of emergency, to facilitate disaster response efforts.
Work Stoppages Alongside Harsh Weather
The wild winds on Thursday occur while tens of thousands of school staff, physicians and civil servants are participating in what has been called a "mega strike", calling for improved salaries and workplace environments.
However the severe conditions has compelled them to modify various scheduled activities, with some outdoor rallies moved indoors or cancelled.
Comparable winds are impacting Australia, causing a period of extreme heat to the nation's interior regions.
Authorities have issued burning restrictions for fear of forest fires.
