Severe gales hitting velocities of up to 155km/h (96mph) have left around 90,000 homes without power and forced authorities to call off in excess of 100 flights, based on regional news sources.
The gales are influencing the entire South Island and southern parts of the North Island, according to the country's meteorological service.
New Zealand authorities have announced infrequent high-level wind alerts - the top caution category - in key areas including Canterbury and Wellington.
Residents have been advised to avoid going outside, refrain from journeys, and prepare for more electricity and network failures.
Extensive Damage and Emergency Measures
This outage seems to be impacting households mainly in the South Island, though officials state that energy was being slowly brought back.
Domestic outlets have reported that in various locations structures have suffered roof damage, and trees and electricity poles have been brought down by the gusts.
Across Wellington, a person was fatally injured after being struck by a falling limb at a frequent walking route on Tuesday.
Meanwhile in Wellington, a female was blown onto oncoming traffic on a road by a intensive burst, in a event that was recorded in a viral dashcam video.
Air travel entering and leaving the urban area have been suspended due to the winds, and some roads and libraries are shut down.
At the same time authorities in Canterbury have declared a state of emergency, to facilitate emergency management operations.
Work Stoppages Amid Severe Weather
The wild winds on this day coincide with numerous of educators, medical professionals and government employees take part in what has been termed a "significant labor action", requesting improved salaries and workplace environments.
But the intense climate has pressured them to change certain arrangements, with some outdoor rallies relocated inside or called off.
Similar gusts are affecting the neighboring country, ushering in a period of extreme heat to the country's outback.
Officials have issued fire bans for concern about forest fires.
