Severe gusts reaching velocities of up to 155km/h (96mph) have caused approximately 90,000 households lacking electricity and compelled agencies to cancel more than 100 flights, as reported by local media.
The gales are impacting the entire southern region and lower areas of the North Island, per the national weather agency.
Officials in New Zealand have released rare severe gust advisories - the top caution category - in central regions such as Canterbury and Wellington.
Locals have been encouraged to avoid going outside, avoid travel, and prepare for more electricity and network failures.
Broad Impact and Crisis Measures
The electricity loss is primarily influencing residences mostly in the southern region, although agencies report that the electricity supply was being restored progressively.
Local media have indicated that in certain areas structures have suffered roof damage, while trees and electricity poles have been toppled by the gusts.
In Wellington, a person was fatally injured after being impacted by a tree branch at a popular trail walking spot on Tuesday.
Additionally in the city, a female was blown onto approaching vehicles on a street by a powerful blast, in a incident that was recorded in a viral dashcam video.
Flights entering and leaving the metropolis have been suspended as a result of the winds, and certain highways and community centers are not operating.
Simultaneously authorities in Canterbury have declared a state of emergency, to facilitate emergency management operations.
Work Stoppages Alongside Severe Weather
These intense gusts on Thursday coincide with many of educators, medical professionals and government employees are participating in what has been described as a "significant labor action", demanding better pay and working conditions.
Yet the severe conditions has compelled them to change certain arrangements, with some outdoor rallies shifted to interior venues or abandoned.
Similar gusts are affecting the nearby nation, bringing a heatwave to the nation's interior regions.
Agencies have announced burning restrictions for apprehension regarding bushfires.