Powerful gusts reaching speeds of up to 155km/h (96mph) have resulted in nearly 90,000 households without power and compelled authorities to cancel over 100 aircraft departures, as reported by local media.
These gusts are impacting the entire South Island and southern parts of the North Island, per the national weather agency.
New Zealand authorities have issued rare red wind warnings - the most severe warning - in core zones including these major districts.
Residents have been urged to avoid going outside, refrain from journeys, and make arrangements for further utility disruptions.
Broad Damage and Emergency Response
The electricity loss seems to be impacting homes mainly in the South Island, though authorities say that power was being gradually reinstated.
Regional news have indicated that in various locations structures have suffered roof damage, while trees and electricity poles have been toppled by the winds.
Across Wellington, a individual was killed after being struck by a falling limb at a well-known hiking path on Tuesday.
Additionally in the city, a female was blown onto oncoming traffic on a street by a strong gust of wind, in a moment that was recorded in a widely shared car camera footage.
Air travel in and out of the urban area have been halted as a result of the gusts, whereas some roads and libraries are not operating.
Meanwhile Canterbury officials have issued a emergency situation, to support emergency management operations.
Labor Protests During Severe Weather
The wild winds on Thursday coincide with tens of thousands of educators, medical professionals and government employees take part in what has been called a "significant labor action", requesting better pay and working conditions.
However the severe conditions has forced them to modify some of their plans, with various open-air gatherings shifted to interior venues or called off.
Similar gusts are impacting the neighboring country, causing a heatwave to the country's outback.
Officials have issued burning restrictions for fear of wildfires.
