Powerful gusts reaching speeds of approximately 155km/h (96mph) have left around 90,000 homes lacking electricity and forced agencies to cancel more than 100 flights, as reported by regional news sources.
The gales are impacting the complete southern region and lower areas of the North Island, per the country's meteorological service.
The nation's agencies have released rare severe gust advisories - the highest alert level - in central regions such as Canterbury and Wellington.
Residents have been encouraged to remain inside, avoid travel, and prepare for more electricity and network failures.
Widespread Damage and Emergency Measures
The power cut appears to be affecting households predominantly in the South Island, while authorities state that the electricity supply was being gradually reinstated.
Regional news have stated that in some places structures have suffered roof damage, whereas power lines and trees have been knocked down by the gusts.
Across Wellington, a man was killed after being struck by a wooden fragment at a popular trail walking spot on Tuesday.
Additionally in the city, a female was swept into moving cars on a street by a strong gust of wind, in a event that was filmed in a viral dashcam video.
Flights in and out of the urban area have been suspended due to the winds, while various routes and public facilities are shut down.
At the same time authorities in Canterbury have issued a state of emergency, to facilitate recovery activities.
Labor Protests During Harsh Weather
These intense gusts on today occur while numerous of teachers, doctors and other public workers are participating in what has been termed a "significant labor action", demanding improved salaries and workplace environments.
But the intense climate has compelled them to modify certain arrangements, with various open-air gatherings relocated inside or cancelled.
Comparable winds are affecting Australia, causing a period of extreme heat to the remote areas.
Officials have announced burning restrictions for apprehension regarding bushfires.
