Severe gusts hitting velocities of up to 155km/h (96mph) have resulted in approximately 90,000 properties lacking electricity and compelled officials to cancel in excess of 100 flights, based on regional news sources.
The gales are impacting the entire South Island and southern parts of the North Island, according to the national weather agency.
Officials in New Zealand have issued infrequent red wind warnings - the highest alert level - in central regions encompassing Canterbury and Wellington.
People have been encouraged to remain inside, stay off roads, and get ready for additional electricity and network failures.
Widespread Destruction and Crisis Measures
The electricity loss appears to be affecting households mainly in the southern region, though agencies say that power was being restored progressively.
Domestic outlets have reported that in various locations structures have suffered roof damage, whereas power lines and trees have been knocked down by the winds.
Within the capital, a person was lost his life after being struck by a tree branch at a well-known hiking path on earlier this week.
Also in the capital, a woman was swept into approaching vehicles on a street by a strong gust of wind, in a moment that was captured in a popular vehicle recording.
Aircraft services entering and leaving the city have been suspended as a result of the winds, and some roads and libraries are also closed.
At the same time Canterbury officials have declared a crisis declaration, to support disaster response efforts.
Labor Protests Alongside Harsh Conditions
The wild winds on Thursday coincide with many of teachers, doctors and other public workers are engaged in what has been called a "mega strike", demanding better pay and working conditions.
But the severe conditions has compelled them to modify certain arrangements, with several external protests relocated inside or called off.
Like conditions are also sweeping Australia, causing a high-temperature event to the remote areas.
Officials have issued burning restrictions for concern about wildfires.