Powerful gusts hitting velocities of approximately 155km/h (96mph) have resulted in approximately 90,000 properties lacking electricity and compelled agencies to halt over 100 aircraft departures, based on local media.
These gusts are influencing the complete South Island and lower areas of the North Island, per the national weather agency.
New Zealand authorities have issued rare red wind warnings - the most severe warning - in key areas including Wellington and Canterbury.
Residents have been encouraged to remain inside, stay off roads, and get ready for more electricity and network failures.
Widespread Damage and Crisis Response
The power cut seems to be impacting residences mainly in the southern region, while agencies state that energy was being slowly brought back.
Local media have reported that in various locations structures have suffered roof damage, while power lines and trees have been brought down by the gales.
In Wellington, a man was fatally injured after being struck by a tree branch at a frequent walking route on earlier this week.
Additionally in the city, a individual was swept into moving cars on a thoroughfare by a powerful blast, in a moment that was captured in a viral dashcam video.
Air travel entering and leaving the urban area have been cancelled as a result of the winds, and some roads and libraries are shut down.
Simultaneously Canterbury officials have issued a state of emergency, to assist disaster response efforts.
Work Stoppages During Severe Conditions
The powerful gales on today occur while many of school staff, physicians and civil servants are participating in what has been termed a "major walkout", requesting improved salaries and workplace environments.
However the extreme weather has pressured them to change various scheduled activities, with some outdoor rallies relocated inside or cancelled.
Comparable winds are impacting the neighboring country, bringing a heatwave to the nation's interior regions.
Officials have announced burning restrictions for concern about wildfires.