Severe gusts attaining speeds of as high as 155km/h (96mph) have left nearly 90,000 households lacking electricity and forced authorities to halt over 100 air travel services, as reported by regional news sources.
The winds are influencing the whole southern region and lower areas of the northern region, per the country's meteorological service.
Officials in New Zealand have released infrequent high-level wind alerts - the most severe warning - in central regions such as these major districts.
Locals have been advised to avoid going outside, avoid travel, and get ready for further utility disruptions.
Extensive Destruction and Crisis Response
The power cut appears to be affecting residences predominantly in the South Island, although agencies state that power was being slowly brought back.
Regional news have indicated that in certain areas structures have suffered roof damage, whereas power lines and trees have been knocked down by the gales.
Across Wellington, a man was killed after being hit by a tree branch at a well-known hiking path on earlier this week.
Also in the capital, a individual was pushed toward oncoming traffic on a street by a powerful blast, in a incident that was filmed in a popular vehicle recording.
Air travel to and from the urban area have been cancelled because of the winds, whereas various routes and public facilities are also closed.
Simultaneously authorities in Canterbury have issued a state of emergency, to support disaster response efforts.
Strike Action Alongside Extreme Weather
The powerful gales on today coincide with numerous of educators, medical professionals and government employees take part in what has been described as a "significant labor action", demanding improved salaries and workplace environments.
But the extreme weather has forced them to change various scheduled activities, with several external protests moved indoors or called off.
Comparable winds are also sweeping Australia, bringing a period of extreme heat to the nation's interior regions.
Authorities have announced flame prohibitions for fear of forest fires.
