Intense gales hitting speeds of as high as 155km/h (96mph) have caused nearly 90,000 households without power and led officials to cancel more than 100 flights, according to local media.
The winds are influencing the complete South Island and southern sections of the northern region, per the country's meteorological service.
The nation's agencies have announced infrequent severe gust advisories - the top caution category - in central regions encompassing Canterbury and Wellington.
Residents have been urged to stay indoors, avoid travel, and get ready for additional electricity and network failures.
Widespread Destruction and Crisis Measures
This outage is primarily influencing homes mostly in the southern region, though agencies report that the electricity supply was being gradually reinstated.
Local media have reported that in various locations homes have lost their roofs, while power lines and trees have been knocked down by the gales.
Within the capital, a individual was fatally injured after being struck by a wooden fragment at a frequent walking route on Tuesday.
Also in the capital, a woman was blown onto moving cars on a thoroughfare by a intensive burst, in a incident that was recorded in a widely shared car camera footage.
Air travel entering and leaving the urban area have been suspended because of the weather, while various routes and public facilities are not operating.
At the same time Canterbury officials have announced a emergency situation, to facilitate emergency management operations.
Work Stoppages During Severe Conditions
The powerful gales on today occur while many of teachers, doctors and other public workers are participating in what has been called a "mega strike", requesting better pay and working conditions.
However the extreme weather has pressured them to modify various scheduled activities, with several external protests moved indoors or called off.
Comparable winds are also sweeping Australia, causing a high-temperature event to the nation's interior regions.
Authorities have declared burning restrictions for fear of wildfires.
