Powerful winds hitting speeds of approximately 155km/h (96mph) have left nearly 90,000 properties without power and forced agencies to halt in excess of 100 air travel services, according to regional news sources.
The gales are influencing the whole South Island and southern parts of the North Island, according to the national weather agency.
New Zealand authorities have released uncommon high-level wind alerts - the highest alert level - in central regions such as these major districts.
Residents have been urged to avoid going outside, stay off roads, and get ready for additional electricity and network failures.
Widespread Impact and Crisis Measures
The power cut is primarily influencing households predominantly in the southern region, although authorities say that energy was being gradually reinstated.
Local media have reported that in some places roofs have been ripped off houses, while utility poles and vegetation have been brought down by the gales.
In Wellington, a man was fatally injured after being struck by a tree branch at a well-known hiking path on Tuesday.
Additionally in the city, a woman was blown onto approaching vehicles on a street by a intensive burst, in a event that was recorded in a popular vehicle recording.
Flights entering and leaving the metropolis have been suspended as a result of the weather, whereas various routes and public facilities are shut down.
Meanwhile local leaders have issued a state of emergency, to support recovery activities.
Labor Protests Amid Harsh Conditions
These intense gusts on Thursday coincide with numerous of educators, medical professionals and government employees take part in what has been termed a "major walkout", demanding better pay and working conditions.
Yet the severe conditions has compelled them to alter various scheduled activities, with several external protests moved indoors or abandoned.
Similar gusts are impacting the nearby nation, ushering in a period of extreme heat to the country's outback.
Authorities have issued fire bans for concern about bushfires.
