Intense gusts reaching speeds of approximately 155km/h (96mph) have caused approximately 90,000 properties experiencing outages and forced agencies to call off more than 100 flights, as reported by domestic outlets.
The gales are affecting the complete southern region and lower areas of the North Island, as stated by the country's meteorological service.
The nation's agencies have issued rare red wind warnings - the highest alert level - in central regions encompassing Wellington and Canterbury.
People have been urged to avoid going outside, avoid travel, and get ready for more utility disruptions.
Extensive Impact and Crisis Measures
This outage appears to be affecting residences mainly in the South Island, while authorities say that energy was being restored progressively.
Regional news have indicated that in some places structures have suffered roof damage, and utility poles and vegetation have been toppled by the gales.
Within the capital, a man was fatally injured after being impacted 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 road by a powerful blast, in a moment that was captured in a viral dashcam video.
Air travel to and from the urban area have been cancelled because of the weather, while various routes and public facilities are shut down.
At the same time authorities in Canterbury have declared a state of emergency, to facilitate disaster response efforts.
Work Stoppages Amid Harsh Weather
These intense gusts on this day come as many of teachers, doctors and other public workers take part in what has been described as a "major walkout", calling for higher wages and enhanced employment terms.
However the intense climate has forced them to modify certain arrangements, with several external protests relocated inside or called off.
Comparable winds are also sweeping the neighboring country, bringing a period of extreme heat to the nation's interior regions.
Officials have announced fire bans for concern about wildfires.
