Intense gusts hitting velocities of as high as 155km/h (96mph) have left around 90,000 households without power and compelled officials to cancel in excess of 100 air travel services, based on local media.
These gusts are affecting the entire southern region and southern parts of the northern region, per the national weather agency.
Officials in New Zealand have issued infrequent red wind warnings - the top caution category - in key areas including Wellington and Canterbury.
Residents have been encouraged to avoid going outside, refrain from journeys, and prepare for additional power and communication outages.
Extensive Damage and Emergency Measures
The electricity loss appears to be affecting households predominantly in the southern region, while agencies say that energy was being restored progressively.
Domestic outlets have stated that in certain areas roofs have been ripped off houses, whereas power lines and trees have been brought down by the gusts.
Within the capital, a man was fatally injured after being impacted by a tree branch at a frequent walking route on earlier this week.
Also in the capital, a female was pushed toward approaching vehicles on a street by a strong gust of wind, in a moment that was captured in a popular vehicle recording.
Air travel in and out of the city have been cancelled due to the winds, whereas various routes and public facilities are also closed.
Meanwhile authorities in Canterbury have declared a emergency situation, to assist emergency management operations.
Labor Protests Alongside Severe Conditions
The powerful gales on today come as many of educators, medical professionals and government employees are participating in what has been described as a "major walkout", demanding higher wages and enhanced employment terms.
However the severe conditions has forced them to alter certain arrangements, with various open-air gatherings relocated inside or abandoned.
Comparable winds are affecting Australia, ushering in a period of extreme heat to the nation's interior regions.
Agencies have announced burning restrictions for fear of forest fires.
