Severe gusts reaching velocities of as high as 155km/h (96mph) have resulted in around 90,000 households lacking electricity and led agencies to halt more than 100 aircraft departures, as reported by regional news sources.
These gusts are affecting the entire South Island and lower areas of the northern region, as stated by the country's meteorological service.
The nation's agencies have announced infrequent high-level wind alerts - the highest alert level - in key areas such as Wellington and Canterbury.
People have been urged to stay indoors, stay off roads, and get ready for further utility disruptions.
Widespread Damage and Emergency Measures
The electricity loss appears to be affecting residences predominantly in the southern region, while authorities say that energy was being restored progressively.
Regional news have reported that in some places structures have suffered roof damage, while utility poles and vegetation have been knocked down by the gales.
Across Wellington, a man was fatally injured after being hit by a tree branch at a frequent walking route on earlier this week.
Also in the capital, a woman was swept into moving cars on a road by a powerful blast, in a moment that was filmed in a widely shared car camera footage.
Aircraft services entering and leaving the metropolis have been suspended due to the winds, whereas certain highways and community centers are also closed.
Simultaneously Canterbury officials have declared a emergency situation, to assist disaster response efforts.
Labor Protests Amid Extreme Conditions
These intense gusts on today coincide with tens of thousands of teachers, doctors and other public workers are participating in what has been called a "mega strike", requesting higher wages and enhanced employment terms.
But the severe conditions has compelled them to alter some of their plans, with various open-air gatherings moved indoors or called off.
Comparable winds are affecting Australia, ushering in a heatwave to the remote areas.
Officials have issued burning restrictions for concern about wildfires.
