Intense gusts hitting velocities of up to 155km/h (96mph) have left nearly 90,000 households lacking electricity and led officials to call off more than 100 air travel services, according to domestic outlets.
These gusts are affecting the whole South Island and southern parts of the North Island, according to the country's meteorological service.
Officials in New Zealand have announced uncommon red wind warnings - the highest alert level - in central regions including Wellington and Canterbury.
Locals have been advised to remain inside, avoid travel, and prepare for further electricity and network failures.
Extensive Impact and Crisis Measures
This outage appears to be affecting residences mostly in the South Island, although officials state that the electricity supply was being gradually reinstated.
Domestic outlets have stated that in some places homes have lost their roofs, while utility poles and vegetation have been brought down by the gusts.
Across Wellington, a individual was fatally injured after being struck by a falling limb at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a female was blown onto approaching vehicles on a thoroughfare by a intensive burst, in a event that was recorded in a widely shared car camera footage.
Aircraft services entering and leaving the urban area have been halted due to the weather, and certain highways and community centers are not operating.
Simultaneously Canterbury officials have declared a crisis declaration, to assist recovery activities.
Strike Action During Extreme Conditions
The powerful gales on this day come as tens of thousands of school staff, physicians and civil servants take part in what has been termed a "mega strike", demanding higher wages and enhanced employment terms.
However the extreme weather has forced them to alter various scheduled activities, with various open-air gatherings moved indoors or called off.
Like conditions are impacting the nearby nation, bringing a high-temperature event to the remote areas.
Officials have declared fire bans for fear of forest fires.
