Powerful gusts hitting velocities of up to 155km/h (96mph) have resulted in approximately 90,000 properties without power and forced authorities to cancel over 100 air travel services, based on domestic outlets.
The winds are affecting the complete South Island and southern parts of the northern region, according to the national weather agency.
Officials in New Zealand have announced uncommon red wind warnings - the highest alert level - in central regions such as these major districts.
Residents have been encouraged to avoid going outside, refrain from journeys, and prepare for further power and communication outages.
Widespread Damage and Emergency Response
The power cut seems to be impacting households mostly in the southern region, while agencies state that the electricity supply was being gradually reinstated.
Local media have reported that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been knocked down by the gusts.
In Wellington, a person was lost his life after being impacted by a falling limb at a well-known hiking path on Tuesday.
Also in the capital, a individual was blown onto oncoming traffic on a road by a intensive burst, in a event that was recorded in a widely shared car camera footage.
Aircraft services in and out of the urban area have been cancelled due to the weather, while some roads and libraries are also closed.
Meanwhile authorities in Canterbury have declared a crisis declaration, to support recovery activities.
Work Stoppages Alongside Extreme Weather
These intense gusts on Thursday come as many of teachers, doctors and other public workers are participating in what has been described as a "major walkout", requesting improved salaries and workplace environments.
Yet the extreme weather has compelled them to modify some of their plans, with some outdoor rallies shifted to interior venues or abandoned.
Similar gusts are also sweeping the nearby nation, bringing a heatwave to the nation's interior regions.
Authorities have announced burning restrictions for apprehension regarding forest fires.
