Powerful gusts attaining speeds of as high as 155km/h (96mph) have caused around 90,000 properties lacking electricity and compelled authorities to call off over 100 air travel services, according to regional news sources.
The winds are influencing the entire South Island and southern sections of the northern region, as stated by the country's meteorological service.
New Zealand authorities have announced rare red wind warnings - the top caution category - in central regions including Wellington and Canterbury.
Residents have been encouraged to stay indoors, refrain from journeys, and make arrangements for further utility disruptions.
Broad Damage and Emergency Response
The electricity loss is primarily influencing households mostly in the South Island, while officials report that the electricity supply was being gradually reinstated.
Domestic outlets have stated that in some places roofs have been ripped off houses, and power lines and trees have been brought down by the winds.
In Wellington, a person was lost his life after being hit by a tree branch at a well-known hiking path on earlier this week.
Additionally in the city, a woman was blown onto moving cars on a street by a intensive burst, in a incident that was captured in a popular vehicle recording.
Aircraft services entering and leaving the urban area have been halted as a result of the weather, and various routes and public facilities are also closed.
Meanwhile authorities in Canterbury have issued a crisis declaration, to facilitate disaster response efforts.
Labor Protests Amid Harsh Weather
These intense gusts on Thursday coincide with many of educators, medical professionals and government employees are participating in what has been termed a "significant labor action", requesting improved salaries and workplace environments.
But the severe conditions has forced them to alter various scheduled activities, with some outdoor rallies relocated inside or cancelled.
Comparable winds are affecting the nearby nation, causing a high-temperature event to the country's outback.
Authorities have announced fire bans for concern about bushfires.