Intense gusts attaining velocities of as high as 155km/h (96mph) have left nearly 90,000 households lacking electricity and led officials to cancel more than 100 flights, according to domestic outlets.
These gusts are affecting the entire South Island and lower areas of the northern region, as stated by the weather forecasting body.
The nation's agencies have announced uncommon severe gust advisories - the top caution category - in key areas such as Wellington and Canterbury.
Residents have been encouraged to avoid going outside, refrain from journeys, and prepare for additional electricity and network failures.
Extensive Destruction and Emergency Measures
The electricity loss is primarily influencing residences predominantly in the southern region, while officials report that energy was being restored progressively.
Local media have reported that in various locations homes have lost their roofs, while trees and electricity poles have been brought down by the gales.
Within the capital, a man was killed after being impacted by a wooden fragment at a popular trail walking spot on earlier this week.
Also in the capital, a woman was swept into moving cars on a thoroughfare by a strong gust of wind, in a moment that was recorded in a viral dashcam video.
Air travel entering and leaving the urban area have been halted because of the gusts, whereas certain highways and community centers are not operating.
At the same time Canterbury officials have announced a state of emergency, to assist recovery activities.
Labor Protests Alongside Harsh Weather
The wild winds on today come as many of educators, medical professionals and government employees take part in what has been termed a "mega strike", demanding better pay and working conditions.
But the severe conditions has pressured them to change various scheduled activities, with some outdoor rallies shifted to interior venues or called off.
Like conditions are impacting the nearby nation, ushering in a heatwave to the remote areas.
Agencies have declared burning restrictions for fear of wildfires.
