Intense gusts attaining velocities of up to 155km/h (96mph) have caused nearly 90,000 homes lacking electricity and forced authorities to call off in excess of 100 aircraft departures, based on domestic outlets.
The winds are affecting the whole southern region and southern parts of the northern region, as stated by the country's meteorological service.
Officials in New Zealand have released rare severe gust advisories - the highest alert level - in central regions including Wellington and Canterbury.
People have been advised to remain inside, avoid travel, and prepare for more utility disruptions.
Extensive Impact and Emergency Measures
This outage seems to be impacting homes predominantly in the South Island, while authorities state that the electricity supply was being restored progressively.
Local media have stated that in some places roofs have been ripped off houses, whereas power lines and trees have been toppled by the winds.
Within the capital, a individual was fatally injured after being struck by a wooden fragment at a frequent walking route on earlier this week.
Also in the capital, a woman was swept into oncoming traffic on a road by a intensive burst, in a moment that was captured in a popular vehicle recording.
Aircraft services entering and leaving the urban area have been cancelled as a result of the winds, whereas various routes and public facilities are shut down.
Meanwhile local leaders have announced a state of emergency, to support disaster response efforts.
Labor Protests Alongside Severe Conditions
The wild winds on Thursday come as numerous of teachers, doctors and other public workers are engaged in what has been called a "mega strike", calling for better pay and working conditions.
However the extreme weather has compelled them to alter certain arrangements, with some outdoor rallies moved indoors or abandoned.
Similar gusts are affecting the nearby nation, causing a period of extreme heat to the nation's interior regions.
Authorities have issued burning restrictions for fear of bushfires.
