Intense gusts hitting speeds of up to 155km/h (96mph) have left around 90,000 households without power and forced officials to call off more than 100 flights, as reported by domestic outlets.
The winds are impacting the complete southern region and lower areas of the North Island, per the country's meteorological service.
The nation's agencies have issued infrequent high-level wind alerts - the highest alert level - in central regions including these major districts.
People have been encouraged to stay indoors, avoid travel, and make arrangements for further electricity and network failures.
Extensive Destruction and Crisis Measures
The electricity loss appears to be affecting households mostly in the South Island, while agencies say that the electricity supply was being gradually reinstated.
Domestic outlets have stated that in certain areas roofs have been ripped off houses, whereas utility poles and vegetation have been toppled by the gusts.
In Wellington, a man was lost his life after being struck by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was swept into oncoming traffic on a thoroughfare by a powerful blast, in a incident that was recorded in a viral dashcam video.
Aircraft services entering and leaving the urban area have been cancelled as a result of the weather, while various routes and public facilities are also closed.
Simultaneously local leaders have declared a crisis declaration, to facilitate recovery activities.
Labor Protests During Extreme Weather
The wild winds on this day occur while tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "significant labor action", requesting better pay and working conditions.
However the intense climate has pressured them to change some of their plans, with various open-air gatherings shifted to interior venues or cancelled.
Similar gusts are impacting the nearby nation, causing a period of extreme heat to the country's outback.
Authorities have issued burning restrictions for fear of bushfires.
