Severe gales attaining speeds of up to 155km/h (96mph) have resulted in around 90,000 properties without power and led authorities to cancel over 100 air travel services, based on local media.
The gales are affecting the complete South Island and southern sections of the North Island, according to the country's meteorological service.
New Zealand authorities have announced infrequent high-level wind alerts - the highest alert level - in key areas such as these major districts.
People have been advised to avoid going outside, avoid travel, and prepare for more power and communication outages.
Extensive Impact and Crisis Response
The electricity loss seems to be impacting homes mostly in the southern region, although authorities state that energy was being gradually reinstated.
Domestic outlets have indicated that in various locations roofs have been ripped off houses, and trees and electricity poles have been toppled by the gales.
Within the capital, a individual was lost his life after being struck by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a woman was swept into oncoming traffic on a road by a strong gust of wind, in a incident that was recorded in a viral dashcam video.
Flights entering and leaving the city have been suspended due to the gusts, whereas some roads and libraries are shut down.
At the same time local leaders have announced a state of emergency, to support disaster response efforts.
Strike Action Amid Harsh Weather
The powerful gales on this day come as many of teachers, doctors and other public workers are engaged in what has been described as a "major walkout", requesting improved salaries and workplace environments.
But the extreme weather has pressured them to alter various scheduled activities, with various open-air gatherings shifted to interior venues or cancelled.
Similar gusts are impacting Australia, causing a high-temperature event to the nation's interior regions.
Authorities have announced burning restrictions for apprehension regarding forest fires.
