Severe winds hitting speeds of up to 155km/h (96mph) have caused nearly 90,000 properties without power and led agencies to cancel over 100 flights, as reported by domestic outlets.
These gusts are affecting the whole South Island and lower areas of the northern region, as stated by the national weather agency.
Officials in New Zealand have issued rare severe gust advisories - the most severe warning - in central regions such as Wellington and Canterbury.
People have been urged to remain inside, stay off roads, and make arrangements for additional electricity and network failures.
Broad Destruction and Emergency Measures
This outage is primarily influencing residences mostly in the South Island, though agencies report that energy was being slowly brought back.
Regional news have stated that in certain areas structures have suffered roof damage, while utility poles and vegetation have been knocked down by the winds.
Within the capital, a man was killed after being hit by a falling limb at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was swept into approaching vehicles on a thoroughfare by a intensive burst, in a moment that was captured in a widely shared car camera footage.
Aircraft services to and from the urban area have been halted as a result of the winds, and various routes and public facilities are also closed.
Simultaneously Canterbury officials have issued a emergency situation, to support disaster response efforts.
Labor Protests Alongside Severe Conditions
The powerful gales on this day come as many of teachers, doctors and other public workers take part in what has been described as a "major walkout", requesting better pay and working conditions.
But the severe conditions has forced them to modify some of their plans, with some outdoor rallies moved indoors or cancelled.
Similar gusts are impacting the nearby nation, bringing a heatwave to the nation's interior regions.
Authorities have declared burning restrictions for apprehension regarding forest fires.