Powerful gusts reaching speeds of as high as 155km/h (96mph) have left approximately 90,000 households lacking electricity and forced officials to cancel in excess of 100 air travel services, as reported by local media.
The gales are influencing the whole South Island and southern parts of the northern region, as stated by the weather forecasting body.
New Zealand authorities have released rare red wind warnings - the highest alert level - in central regions such as Canterbury and Wellington.
People have been advised to avoid going outside, avoid travel, and prepare for additional utility disruptions.
Widespread Damage and Emergency Measures
The electricity loss is primarily influencing homes mainly in the South Island, while agencies say that the electricity supply was being gradually reinstated.
Regional news have indicated that in some places structures have suffered roof damage, and utility poles and vegetation have been knocked down by the gusts.
Across Wellington, a individual was fatally injured after being struck by a falling limb at a well-known hiking path on earlier this week.
Meanwhile in Wellington, a woman was swept into moving cars on a road by a intensive burst, in a incident that was recorded in a viral dashcam video.
Flights entering and leaving the metropolis have been halted because of the gusts, while certain highways and community centers are shut down.
Meanwhile local leaders have declared a state of emergency, to facilitate recovery activities.
Strike Action Amid Extreme Conditions
The powerful gales on Thursday come as many of school staff, physicians and civil servants take part in what has been called a "significant labor action", calling for improved salaries and workplace environments.
Yet the severe conditions has compelled them to modify some of their plans, with some outdoor rallies moved indoors or called off.
Like conditions are affecting Australia, bringing a high-temperature event to the nation's interior regions.
Agencies have announced burning restrictions for concern about wildfires.
