Powerful gales attaining speeds of as high as 155km/h (96mph) have left around 90,000 properties lacking electricity and led agencies to call off more than 100 flights, according to regional news sources.
The winds are affecting the entire South Island and southern parts of the North Island, as stated by the country's meteorological service.
The nation's agencies have released uncommon high-level wind alerts - the highest alert level - in central regions encompassing Canterbury and Wellington.
Residents have been advised to stay indoors, refrain from journeys, and prepare for additional electricity and network failures.
Broad Damage and Emergency Measures
This outage seems to be impacting homes mainly in the South Island, although authorities report that the electricity supply was being gradually reinstated.
Local media have reported that in some places structures have suffered roof damage, while power lines and trees have been brought down by the winds.
Within the capital, a man was killed after being hit by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a woman was blown onto moving cars on a thoroughfare by a powerful blast, in a incident that was captured in a popular vehicle recording.
Flights in and out of the metropolis have been suspended as a result of the winds, whereas some roads and libraries are not operating.
Simultaneously local leaders have issued a state of emergency, to assist emergency management operations.
Work Stoppages Amid Extreme Weather
The powerful gales on today coincide with tens of thousands of teachers, doctors and other public workers are engaged in what has been described as a "major walkout", calling for higher wages and enhanced employment terms.
But the extreme weather has pressured them to modify some of their plans, with various open-air gatherings shifted to interior venues or abandoned.
Like conditions are also sweeping Australia, causing a period of extreme heat to the remote areas.
Agencies have declared flame prohibitions for fear of bushfires.
