Intense winds hitting velocities of as high as 155km/h (96mph) have left around 90,000 properties without power and led officials to call off over 100 flights, as reported by domestic outlets.
The gales are impacting the entire southern region and southern parts of the North Island, according to the country's meteorological service.
Officials in New Zealand have issued rare red wind warnings - the most severe warning - in key areas such as these major districts.
Residents have been advised to remain inside, refrain from journeys, and get ready for more electricity and network failures.
Extensive Damage and Crisis Measures
The electricity loss is primarily influencing residences mostly in the South Island, though authorities report that the electricity supply was being gradually reinstated.
Local media have reported that in some places structures have suffered roof damage, while utility poles and vegetation have been toppled by the gales.
Within the capital, a man was fatally injured after being struck by a wooden fragment at a frequent walking route on Tuesday.
Meanwhile in Wellington, a individual was swept into moving cars on a thoroughfare by a powerful blast, in a event that was filmed in a popular vehicle recording.
Flights to and from the urban area have been suspended as a result of the weather, whereas certain highways and community centers are also closed.
Meanwhile Canterbury officials have declared a state of emergency, to support recovery activities.
Labor Protests Amid Severe Weather
The powerful gales on this day occur while numerous of teachers, doctors and other public workers take part in what has been termed a "mega strike", requesting better pay and working conditions.
However the intense climate has pressured them to change various scheduled activities, with several external protests moved indoors or called off.
Similar gusts are impacting Australia, causing a high-temperature event to the country's outback.
Officials have announced burning restrictions for apprehension regarding bushfires.
