Intense gales attaining velocities of up to 155km/h (96mph) have caused around 90,000 homes experiencing outages and led officials to cancel over 100 air travel services, according to local media.
The winds are influencing the entire South Island and lower areas of the northern region, per the national weather agency.
The nation's agencies have released rare severe gust advisories - the highest alert level - in central regions such as these major districts.
People have been advised to stay indoors, refrain from journeys, and get ready for more utility disruptions.
Broad Destruction and Emergency Response
This outage appears to be affecting residences mainly in the southern region, while officials state that power was being slowly brought back.
Local media have reported that in certain areas structures have suffered roof damage, whereas power lines and trees have been brought down by the gusts.
Across Wellington, a individual was fatally injured after being hit by a falling limb at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was blown onto oncoming traffic on a street by a powerful blast, in a incident that was recorded in a popular vehicle recording.
Flights in and out of the urban area have been cancelled due to the weather, whereas various routes and public facilities are shut down.
Simultaneously local leaders have announced a crisis declaration, to assist disaster response efforts.
Labor Protests Alongside Severe Conditions
The powerful gales on Thursday occur while numerous of educators, medical professionals and government employees are engaged in what has been termed a "major walkout", requesting improved salaries and workplace environments.
However the intense climate has pressured them to change some of their plans, with several external protests relocated inside or cancelled.
Comparable winds are impacting Australia, causing a period of extreme heat to the nation's interior regions.
Agencies have issued fire bans for fear of forest fires.
