Powerful winds hitting velocities of as high as 155km/h (96mph) have left around 90,000 properties lacking electricity and compelled agencies to halt in excess of 100 air travel services, as reported by domestic outlets.
The winds are impacting the complete South Island and southern sections of the northern region, per the national weather agency.
New Zealand authorities have issued infrequent red wind warnings - the top caution category - in core zones encompassing these major districts.
Locals have been encouraged to avoid going outside, refrain from journeys, and get ready for additional power and communication outages.
Broad Impact and Crisis Measures
The power cut seems to be impacting homes mainly in the South Island, although officials say that energy was being gradually reinstated.
Regional news have indicated that in certain areas homes have lost their roofs, whereas utility poles and vegetation have been knocked down by the winds.
In Wellington, a man was fatally injured after being struck by a wooden fragment at a frequent walking route on Tuesday.
Meanwhile in Wellington, a female was blown onto oncoming traffic on a thoroughfare by a powerful blast, in a incident that was captured in a popular vehicle recording.
Flights in and out of the city have been cancelled as a result of the gusts, and certain highways and community centers are shut down.
Simultaneously authorities in Canterbury have announced a crisis declaration, to facilitate recovery activities.
Work Stoppages Alongside Extreme Conditions
The wild winds on Thursday occur while tens of thousands of teachers, doctors and other public workers are engaged in what has been described as a "mega strike", demanding better pay and working conditions.
However the intense climate has forced them to change various scheduled activities, with some outdoor rallies relocated inside or called off.
Like conditions are affecting the neighboring country, bringing a heatwave to the remote areas.
Agencies have declared fire bans for apprehension regarding bushfires.