Severe gales reaching velocities of approximately 155km/h (96mph) have caused approximately 90,000 homes lacking electricity and compelled agencies to cancel more than 100 air travel services, based on local media.
These gusts are influencing the whole South Island and southern sections of the northern region, per the country's meteorological service.
New Zealand authorities have released rare red wind warnings - the most severe warning - in central regions such as Canterbury and Wellington.
People have been encouraged to stay indoors, refrain from journeys, and prepare for further utility disruptions.
Widespread Damage and Emergency Measures
The power cut seems to be impacting residences mainly in the southern region, although officials state that the electricity supply was being gradually reinstated.
Regional news have stated that in certain areas structures have suffered roof damage, and trees and electricity poles have been toppled by the gales.
Across Wellington, a person was fatally injured after being hit by a falling limb at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a female was swept into moving cars on a street by a intensive burst, in a event that was filmed in a widely shared car camera footage.
Flights entering and leaving the city have been suspended due to the winds, and various routes and public facilities are not operating.
Simultaneously Canterbury officials have announced a emergency situation, to support recovery activities.
Labor Protests During Severe Weather
These intense gusts on Thursday coincide with tens of thousands of school staff, physicians and civil servants are engaged in what has been described as a "significant labor action", calling for higher wages and enhanced employment terms.
However the severe conditions has pressured them to alter certain arrangements, with several external protests relocated inside or cancelled.
Similar gusts are impacting the nearby nation, ushering in a heatwave to the nation's interior regions.
Agencies have declared fire bans for fear of wildfires.