Intense gusts reaching speeds of approximately 155km/h (96mph) have left nearly 90,000 properties lacking electricity and forced officials to call off more than 100 flights, based on regional news sources.
The gales are affecting the complete South Island and lower areas of the northern region, according to the country's meteorological service.
New Zealand authorities have issued infrequent red wind warnings - the highest alert level - in central regions such as Canterbury and Wellington.
People have been urged to avoid going outside, refrain from journeys, and prepare for additional electricity and network failures.
Broad Damage and Emergency Measures
This outage seems to be impacting residences predominantly in the southern region, though agencies report that energy was being slowly brought back.
Local media have reported that in various locations homes have lost their roofs, and utility poles and vegetation have been toppled by the gusts.
Within the capital, a individual was lost his life after being struck by a tree branch at a well-known hiking path on Tuesday.
Meanwhile in Wellington, a female was pushed toward oncoming traffic on a street by a intensive burst, in a event that was captured in a viral dashcam video.
Air travel to and from the metropolis have been cancelled because of the gusts, and various routes and public facilities are also closed.
Simultaneously Canterbury officials have declared a emergency situation, to support emergency management operations.
Strike Action During Severe Conditions
The powerful gales on this day come as numerous of school staff, physicians and civil servants take part in what has been described as a "major walkout", demanding better pay and working conditions.
However the intense climate has forced them to change certain arrangements, with various open-air gatherings moved indoors or cancelled.
Like conditions are impacting the nearby nation, causing a high-temperature event to the remote areas.
Officials have announced flame prohibitions for fear of wildfires.