Severe winds hitting velocities of as high as 155km/h (96mph) have resulted in around 90,000 homes without power and compelled officials to call off over 100 aircraft departures, based on local media.
The gales are influencing the complete southern region and southern parts of the northern region, according to the country's meteorological service.
The nation's agencies have issued infrequent severe gust advisories - the highest alert level - in core zones including these major districts.
Residents have been encouraged to avoid going outside, avoid travel, and get ready for additional electricity and network failures.
Widespread Damage and Crisis Response
The power cut is primarily influencing households mostly in the South Island, although officials say that power was being slowly brought back.
Regional news have reported that in some places homes have lost their roofs, whereas power lines and trees have been toppled by the gales.
Within the capital, a man was lost his life after being impacted by a tree branch at a frequent walking route on Tuesday.
Meanwhile in Wellington, a woman was blown onto moving cars on a thoroughfare by a powerful blast, in a incident that was filmed in a viral dashcam video.
Aircraft services to and from the metropolis have been cancelled due to the weather, while various routes and public facilities are also closed.
At the same time authorities in Canterbury have issued a emergency situation, to facilitate recovery activities.
Strike Action Alongside Harsh Weather
The powerful gales on this day coincide with numerous of teachers, doctors and other public workers are participating in what has been termed a "major walkout", calling for better pay and working conditions.
But the severe conditions has compelled them to alter some of their plans, with several external protests moved indoors or abandoned.
Similar gusts are also sweeping the neighboring country, ushering in a heatwave to the remote areas.
Authorities have announced fire bans for fear of wildfires.