Severe gusts attaining speeds of as high as 155km/h (96mph) have resulted in approximately 90,000 properties lacking electricity and compelled officials to call off in excess of 100 flights, as reported by local media.
The gales are affecting the entire South Island and southern sections of the northern region, according to the national weather agency.
New Zealand authorities have announced uncommon severe gust advisories - the top caution category - in key areas including Canterbury and Wellington.
Residents have been encouraged to avoid going outside, refrain from journeys, and get ready for further electricity and network failures.
Extensive Damage and Crisis Response
The electricity loss appears to be affecting homes mainly in the southern region, while agencies state that energy was being slowly brought back.
Regional news have indicated that in certain areas homes have lost their roofs, while power lines and trees have been toppled by the gusts.
Within the capital, a person was fatally injured after being impacted by a wooden fragment at a frequent walking route on Tuesday.
Additionally in the city, a female was pushed toward approaching vehicles on a thoroughfare by a powerful blast, in a event that was recorded in a widely shared car camera footage.
Aircraft services entering and leaving the metropolis have been halted due to the winds, whereas various routes and public facilities are also closed.
Simultaneously authorities in Canterbury have announced a crisis declaration, to support disaster response efforts.
Labor Protests Alongside Harsh Weather
The powerful gales on today occur while many of educators, medical professionals and government employees take part in what has been termed a "significant labor action", demanding higher wages and enhanced employment terms.
But the intense climate has forced them to change various scheduled activities, with several external protests moved indoors or cancelled.
Comparable winds are affecting Australia, bringing a heatwave to the country's outback.
Officials have issued flame prohibitions for fear of forest fires.
