Intense gales hitting velocities of approximately 155km/h (96mph) have left approximately 90,000 homes without power and forced officials to cancel more than 100 aircraft departures, as reported by local media.
These gusts are impacting the entire South Island and southern sections of the North Island, as stated by the national weather agency.
Officials in New Zealand have issued rare red wind warnings - the most severe warning - in core zones encompassing these major districts.
Residents have been advised to stay indoors, stay off roads, and make arrangements for more utility disruptions.
Broad Damage and Emergency Response
This outage is primarily influencing homes mainly in the South Island, while authorities state that power was being restored progressively.
Local media have stated that in some places structures have suffered roof damage, and power lines and trees have been knocked down by the winds.
In Wellington, a individual was killed after being struck by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was blown onto moving cars on a street by a strong gust of wind, in a event that was recorded in a viral dashcam video.
Flights to and from the urban area have been cancelled due to the gusts, while various routes and public facilities are not operating.
Simultaneously local leaders have issued a emergency situation, to facilitate emergency management operations.
Work Stoppages During Severe Conditions
These intense gusts on this day come as tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "major walkout", requesting improved salaries and workplace environments.
However the severe conditions has pressured them to modify some of their plans, with some outdoor rallies relocated inside or abandoned.
Similar gusts are also sweeping the neighboring country, causing a heatwave to the remote areas.
Officials have announced fire bans for fear of forest fires.