Severe winds reaching velocities of up to 155km/h (96mph) have left around 90,000 properties experiencing outages and forced authorities to call off over 100 flights, based on domestic outlets.
The winds are impacting the whole South Island and lower areas of the northern region, as stated by the weather forecasting body.
The nation's agencies have released infrequent red wind warnings - the top caution category - in key areas such as Wellington and Canterbury.
Locals have been urged to remain inside, stay off roads, and make arrangements for further electricity and network failures.
Broad Impact and Crisis Measures
The power cut seems to be impacting homes mainly in the South Island, though officials say that the electricity supply was being restored progressively.
Domestic outlets have indicated that in some places structures have suffered roof damage, whereas power lines and trees have been brought down by the winds.
Across Wellington, a man was lost his life after being hit by a wooden fragment at a frequent walking route on Tuesday.
Meanwhile in Wellington, a individual was blown onto oncoming traffic on a thoroughfare by a powerful blast, in a moment that was captured in a widely shared car camera footage.
Flights entering and leaving the urban area have been halted as a result of the winds, while various routes and public facilities are not operating.
Simultaneously Canterbury officials have issued a state of emergency, to assist disaster response efforts.
Strike Action Amid Harsh Conditions
The wild winds on this day occur while numerous of school staff, physicians and civil servants are participating in what has been described as a "major walkout", requesting improved salaries and workplace environments.
Yet the extreme weather has forced them to alter some of their plans, with various open-air gatherings moved indoors or called off.
Comparable winds are affecting Australia, bringing a heatwave to the remote areas.
Authorities have declared burning restrictions for fear of wildfires.
