Intense winds hitting velocities of up to 155km/h (96mph) have resulted in nearly 90,000 homes lacking electricity and forced agencies to cancel more than 100 air travel services, as reported by local media.
The gales are affecting the complete southern region and southern sections of the northern region, per the national weather agency.
The nation's agencies have announced infrequent severe gust advisories - the top caution category - in central regions encompassing these major districts.
Locals have been advised to stay indoors, refrain from journeys, and make arrangements for more electricity and network failures.
Broad Impact and Emergency Measures
The power cut appears to be affecting homes mostly in the southern region, though agencies report that power was being restored progressively.
Regional news have reported that in certain areas structures have suffered roof damage, and utility poles and vegetation have been knocked down by the winds.
Across Wellington, a person was lost his life after being impacted by a tree branch at a frequent walking route on earlier this week.
Additionally in the city, a individual was swept into oncoming traffic on a street by a intensive burst, in a moment that was captured in a widely shared car camera footage.
Flights in and out of the urban area have been suspended because of the weather, while various routes and public facilities are not operating.
Simultaneously Canterbury officials have declared a emergency situation, to facilitate recovery activities.
Labor Protests Amid Severe Weather
The powerful gales on Thursday coincide with numerous of teachers, doctors and other public workers are participating in what has been termed a "significant labor action", demanding improved salaries and workplace environments.
But the extreme weather has compelled them to modify some of their plans, with several external protests moved indoors or cancelled.
Like conditions are also sweeping Australia, causing a period of extreme heat to the remote areas.
Agencies have declared burning restrictions for fear of bushfires.
