Severe gusts reaching speeds of as high as 155km/h (96mph) have left around 90,000 properties lacking electricity and compelled authorities to cancel in excess of 100 flights, as reported by domestic outlets.
These gusts are affecting the complete South Island and southern sections of the North Island, according to the weather forecasting body.
The nation's agencies have released uncommon high-level wind alerts - the highest alert level - in key areas such as Wellington and Canterbury.
Residents have been urged to avoid going outside, stay off roads, and make arrangements for more electricity and network failures.
Widespread Destruction and Crisis Response
The power cut appears to be affecting residences mostly in the South Island, though officials state that power was being slowly brought back.
Local media have indicated that in some places structures have suffered roof damage, while utility poles and vegetation have been toppled by the gales.
Within the capital, a person was fatally injured after being impacted 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 thoroughfare by a intensive burst, in a moment that was captured in a widely shared car camera footage.
Aircraft services entering and leaving the urban area have been cancelled as a result of the gusts, while some roads and libraries are shut down.
Simultaneously Canterbury officials have announced a state of emergency, to assist recovery activities.
Labor Protests During Extreme Weather
These intense gusts on this day occur while many of school staff, physicians and civil servants take part in what has been termed a "major walkout", calling for improved salaries and workplace environments.
However the extreme weather has pressured them to modify some of their plans, with some outdoor rallies moved indoors or abandoned.
Comparable winds are impacting Australia, bringing a high-temperature event to the remote areas.
Authorities have declared burning restrictions for fear of bushfires.