Severe winds reaching velocities of as high as 155km/h (96mph) have resulted in nearly 90,000 homes lacking electricity and compelled officials to call off in excess of 100 air travel services, according to domestic outlets.
The gales are affecting the complete southern region and lower areas of the North Island, according to the country's meteorological service.
Officials in New Zealand have announced rare severe gust advisories - the top caution category - in core zones including Wellington and Canterbury.
Residents have been encouraged to avoid going outside, avoid travel, and get ready for additional electricity and network failures.
Extensive Impact and Emergency Measures
This outage is primarily influencing residences mainly in the South Island, though officials say that energy was being gradually reinstated.
Local media have indicated that in certain areas homes have lost their roofs, whereas utility poles and vegetation have been toppled by the gales.
Across Wellington, a person was fatally injured after being hit by a falling limb at a frequent walking route on Tuesday.
Additionally in the city, a female was swept into moving cars on a thoroughfare by a intensive burst, in a incident that was recorded in a viral dashcam video.
Air travel in and out of the metropolis have been suspended because of the gusts, and various routes and public facilities are also closed.
Simultaneously local leaders have announced a crisis declaration, to facilitate disaster response efforts.
Strike Action Amid Harsh Weather
These intense gusts on this day occur while many of educators, medical professionals and government employees are participating in what has been termed a "major walkout", demanding improved salaries and workplace environments.
However the extreme weather has pressured 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 heatwave to the nation's interior regions.
Authorities have issued burning restrictions for fear of forest fires.
