Powerful gusts reaching velocities of approximately 155km/h (96mph) have caused approximately 90,000 homes without power and forced officials to cancel more than 100 air travel services, as reported by domestic outlets.
These gusts are influencing the whole southern region and southern parts of the northern region, according to the weather forecasting body.
Officials in New Zealand have announced rare red wind warnings - the top caution category - in central regions including Wellington and Canterbury.
Residents have been urged to avoid going outside, avoid travel, and make arrangements for more electricity and network failures.
Broad Damage and Emergency Measures
The power cut is primarily influencing homes mostly in the South Island, while authorities say that energy was being restored progressively.
Regional news have reported that in various locations roofs have been ripped off houses, and utility poles and vegetation have been toppled by the gales.
In Wellington, a individual was killed after being struck by a tree branch at a well-known hiking path on Tuesday.
Additionally in the city, a female was blown onto oncoming traffic on a street by a powerful blast, in a event that was recorded in a widely shared car camera footage.
Flights entering and leaving the urban area have been cancelled because of the weather, while various routes and public facilities are also closed.
At the same time local leaders have declared a emergency situation, to support disaster response efforts.
Labor Protests Amid Harsh Weather
The powerful gales on today coincide with many of educators, medical professionals and government employees take part in what has been called a "significant labor action", calling for better pay and working conditions.
However the severe conditions has compelled them to alter some of their plans, with various open-air gatherings shifted to interior venues or called off.
Similar gusts are impacting Australia, ushering in a heatwave to the nation's interior regions.
Authorities have announced flame prohibitions for concern about forest fires.
