Powerful gusts reaching velocities of approximately 155km/h (96mph) have left around 90,000 homes without power and compelled authorities to cancel more than 100 aircraft departures, according to regional news sources.
The winds are influencing the entire South Island and southern parts of the northern region, per the weather forecasting body.
New Zealand authorities have issued uncommon red wind warnings - the highest alert level - in key areas including these major districts.
People have been advised to avoid going outside, stay off roads, and make arrangements for more power and communication outages.
Broad Destruction and Crisis Measures
The electricity loss is primarily influencing homes mostly in the southern region, although officials report that the electricity supply was being gradually reinstated.
Domestic outlets have reported that in certain areas structures have suffered roof damage, and power lines and trees have been toppled by the gusts.
Within the capital, a person was lost his life after being hit by a falling limb at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a woman was pushed toward moving cars on a thoroughfare by a strong gust of wind, in a event that was filmed in a widely shared car camera footage.
Flights to and from the city have been suspended due to the gusts, and certain highways and community centers are also closed.
Simultaneously authorities in Canterbury have issued a state of emergency, to support emergency management operations.
Work Stoppages During Harsh Weather
The powerful gales on Thursday occur while tens of thousands of educators, medical professionals and government employees are participating in what has been described as a "significant labor action", demanding improved salaries and workplace environments.
However the severe conditions has forced them to modify certain arrangements, with several external protests moved indoors or abandoned.
Like conditions are affecting Australia, bringing a heatwave to the remote areas.
Officials have announced burning restrictions for fear of forest fires.
