Powerful winds attaining speeds of up to 155km/h (96mph) have caused around 90,000 households experiencing outages and compelled officials to call off over 100 air travel services, based on local media.
The winds are influencing the entire South Island and lower areas of the North Island, per the weather forecasting body.
Officials in New Zealand have announced infrequent red wind warnings - the most severe warning - in core zones including Canterbury and Wellington.
People have been urged to avoid going outside, avoid travel, and prepare for further utility disruptions.
Widespread Destruction and Emergency Measures
The electricity loss seems to be impacting residences predominantly in the South Island, though agencies state that the electricity supply was being restored progressively.
Regional news have stated that in various locations structures have suffered roof damage, and power lines and trees have been toppled by the gales.
Within the capital, a person was lost his life after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was blown onto oncoming traffic on a thoroughfare by a powerful blast, in a incident that was recorded in a popular vehicle recording.
Air travel entering and leaving the urban area have been suspended because of the gusts, and various routes and public facilities are not operating.
At the same time Canterbury officials have declared a state of emergency, to support disaster response efforts.
Labor Protests During Extreme Conditions
The powerful gales on today come as numerous of teachers, doctors and other public workers take part in what has been described as a "significant labor action", calling for improved salaries and workplace environments.
However the severe conditions has pressured them to change certain arrangements, with various open-air gatherings relocated inside or called off.
Similar gusts are also sweeping the nearby nation, causing a period of extreme heat to the country's outback.
Officials have issued fire bans for apprehension regarding wildfires.