Powerful gales hitting speeds of up to 155km/h (96mph) have resulted in approximately 90,000 properties experiencing outages and forced agencies to halt more than 100 aircraft departures, as reported by regional news sources.
The winds are influencing the entire southern region and southern parts of the North Island, as stated by the country's meteorological service.
Officials in New Zealand have issued rare high-level wind alerts - the top caution category - in central regions encompassing Canterbury and Wellington.
Residents have been advised to stay indoors, avoid travel, and get ready for further power and communication outages.
Broad Damage and Emergency Response
The power cut seems to be impacting households mostly in the southern region, while authorities report that the electricity supply was being slowly brought back.
Domestic outlets have reported that in some places structures have suffered roof damage, and power lines and trees have been knocked down by the winds.
In Wellington, a person was fatally injured after being impacted by a falling limb at a popular trail walking spot on earlier this week.
Also in the capital, a woman was pushed toward oncoming traffic on a road by a strong gust of wind, in a moment that was recorded in a popular vehicle recording.
Flights to and from the metropolis have been halted due to the weather, while certain highways and community centers are also closed.
At the same time local leaders have declared a emergency situation, to support disaster response efforts.
Labor Protests Amid Extreme Weather
The wild winds on this day occur while numerous of educators, medical professionals and government employees are participating in what has been called a "mega strike", demanding improved salaries and workplace environments.
But the extreme weather has pressured them to alter some of their plans, with various open-air gatherings shifted to interior venues or called off.
Like conditions are also sweeping the nearby nation, ushering in a heatwave to the remote areas.
Officials have declared flame prohibitions for apprehension regarding bushfires.