Intense gusts attaining speeds of as high as 155km/h (96mph) have left around 90,000 properties without power and led officials to halt in excess of 100 aircraft departures, based on domestic outlets.
The winds are affecting the whole southern region and southern parts of the North Island, according to the country's meteorological service.
New Zealand authorities have released rare severe gust advisories - the highest alert level - in central regions such as Wellington and Canterbury.
People have been encouraged to avoid going outside, stay off roads, and prepare for further electricity and network failures.
Extensive Impact and Emergency Response
The power cut appears to be affecting homes mainly in the southern region, although agencies state that energy was being gradually reinstated.
Domestic outlets have stated that in various locations homes have lost their roofs, whereas utility poles and vegetation have been knocked down by the winds.
In Wellington, a man was fatally injured after being impacted by a wooden fragment at a popular trail walking spot on Tuesday.
Additionally in the city, a female was blown onto approaching vehicles on a road by a intensive burst, in a moment that was filmed in a popular vehicle recording.
Flights entering and leaving the urban area have been cancelled because of the weather, and certain highways and community centers are also closed.
At the same time Canterbury officials have announced a state of emergency, to facilitate disaster response efforts.
Strike Action Alongside Extreme Weather
The wild winds on today coincide with numerous of school staff, physicians and civil servants are engaged in what has been called a "major walkout", calling for higher wages and enhanced employment terms.
Yet the intense climate has compelled them to alter some of their plans, with various open-air gatherings shifted to interior venues or called off.
Like conditions are affecting the nearby nation, bringing a heatwave to the nation's interior regions.
Officials have announced fire bans for concern about wildfires.
