Powerful gusts attaining speeds of up to 155km/h (96mph) have resulted in nearly 90,000 properties without power and led authorities to halt in excess of 100 air travel services, based on regional news sources.
The winds are impacting the whole South Island and lower areas of the North Island, according to the country's meteorological service.
Officials in New Zealand have released rare high-level wind alerts - the most severe warning - in core zones encompassing these major districts.
Locals have been advised to avoid going outside, avoid travel, and prepare for further electricity and network failures.
Broad Damage and Emergency Measures
The power cut seems to be impacting residences mainly in the South Island, though agencies state that the electricity supply was being restored progressively.
Regional news have reported that in various locations structures have suffered roof damage, whereas power lines and trees have been toppled by the gales.
Across Wellington, a individual was killed after being impacted by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a individual was blown onto oncoming traffic on a street by a intensive burst, in a event that was captured in a viral dashcam video.
Aircraft services in and out of the city have been cancelled due to the weather, while various routes and public facilities are not operating.
At the same time authorities in Canterbury have issued a state of emergency, to facilitate disaster response efforts.
Labor Protests Amid Severe Conditions
The powerful gales on today come as many of teachers, doctors and other public workers are participating in what has been termed a "mega strike", calling for better pay and working conditions.
However the intense climate has pressured them to alter various scheduled activities, with various open-air gatherings relocated inside or abandoned.
Similar gusts are impacting the neighboring country, bringing a period of extreme heat to the nation's interior regions.
Authorities have issued fire bans for concern about bushfires.