Powerful gusts reaching speeds of up to 155km/h (96mph) have resulted in approximately 90,000 homes lacking electricity and forced agencies to call off over 100 aircraft departures, based on local media.
The gales are influencing the whole South Island and lower areas of the northern region, per the country's meteorological service.
New Zealand authorities have released uncommon severe gust advisories - the top caution category - in core zones including Wellington and Canterbury.
Locals have been urged to avoid going outside, avoid travel, and get ready for more utility disruptions.
Extensive Impact and Crisis Measures
The power cut is primarily influencing households predominantly in the South Island, although agencies state that the electricity supply was being gradually reinstated.
Domestic outlets have reported that in some places structures have suffered roof damage, whereas trees and electricity poles have been toppled by the gusts.
Within the capital, a individual was fatally injured after being struck by a falling limb at a frequent walking route on Tuesday.
Also in the capital, a individual was pushed toward oncoming traffic on a road by a intensive burst, in a event that was captured in a popular vehicle recording.
Aircraft services to and from the city have been halted as a result of the weather, while various routes and public facilities are also closed.
Meanwhile Canterbury officials have announced a crisis declaration, to facilitate recovery activities.
Work Stoppages Alongside Severe Conditions
The wild winds on today come as numerous of school staff, physicians and civil servants are participating in what has been termed a "major walkout", requesting better pay and working conditions.
However the intense climate has forced them to change some of their plans, with several external protests shifted to interior venues or abandoned.
Similar gusts are impacting Australia, bringing a heatwave to the country's outback.
Agencies have announced burning restrictions for apprehension regarding wildfires.
