Intense gusts reaching velocities of up to 155km/h (96mph) have resulted in approximately 90,000 households lacking electricity and compelled agencies to halt more than 100 air travel services, as reported by domestic outlets.
The winds are influencing the complete southern region and lower areas of the northern region, according to the country's meteorological service.
New Zealand authorities have released uncommon red wind warnings - the highest alert level - in central regions encompassing Canterbury and Wellington.
People have been encouraged to avoid going outside, stay off roads, and get ready for more electricity and network failures.
Extensive Damage and Emergency Response
The electricity loss seems to be impacting residences mostly in the South Island, though authorities report that the electricity supply was being slowly brought back.
Regional news have reported that in various locations roofs have been ripped off houses, and utility poles and vegetation have been knocked down by the winds.
Across Wellington, a person was fatally injured after being hit by a wooden fragment at a frequent walking route on earlier this week.
Additionally in the city, a individual was swept into oncoming traffic on a street by a powerful blast, in a moment that was filmed in a widely shared car camera footage.
Flights entering and leaving the urban area have been suspended due to the weather, whereas certain highways and community centers are also closed.
At the same time local leaders have announced a emergency situation, to support disaster response efforts.
Labor Protests Amid Harsh Weather
The powerful gales on this day occur while numerous of school staff, physicians and civil servants are participating in what has been called a "major walkout", demanding higher wages and enhanced employment terms.
But the extreme weather has forced them to modify certain arrangements, with several external protests relocated inside or cancelled.
Similar gusts are affecting Australia, ushering in a high-temperature event to the country's outback.
Officials have declared flame prohibitions for fear of wildfires.