Severe gales reaching velocities of approximately 155km/h (96mph) have left nearly 90,000 households lacking electricity and compelled officials to cancel over 100 flights, as reported by regional news sources.
These gusts are impacting the complete southern region and southern sections of the North Island, per the country's meteorological service.
Officials in New Zealand have announced infrequent severe gust advisories - the most severe warning - in key areas including Canterbury and Wellington.
People have been urged to avoid going outside, avoid travel, and prepare for additional utility disruptions.
Extensive Destruction and Crisis Response
The power cut appears to be affecting homes predominantly in the South Island, though authorities say that energy was being restored progressively.
Regional news have indicated that in various locations homes have lost their roofs, and power lines and trees have been toppled by the gales.
Within the capital, a man was fatally injured after being struck by a wooden fragment at a well-known hiking path on Tuesday.
Additionally in the city, a woman was swept into moving cars on a thoroughfare by a powerful blast, in a event that was captured in a popular vehicle recording.
Flights entering and leaving the city have been suspended because of the gusts, while various routes and public facilities are also closed.
Meanwhile local leaders have declared a emergency situation, to facilitate emergency management operations.
Labor Protests During Harsh Weather
The wild winds on today come as tens of thousands of educators, medical professionals and government employees are participating in what has been termed a "major walkout", demanding better pay and working conditions.
However the intense climate has forced them to modify some of their plans, with various open-air gatherings moved indoors or cancelled.
Like conditions are also sweeping Australia, bringing a period of extreme heat to the country's outback.
Officials have declared fire bans for concern about forest fires.