Powerful gales attaining velocities of as high as 155km/h (96mph) have resulted in approximately 90,000 properties lacking electricity and forced officials to call off over 100 flights, based on regional news sources.
The gales are influencing the whole South Island and southern sections of the North Island, as stated by the weather forecasting body.
New Zealand authorities have released uncommon severe gust advisories - the most severe warning - in core zones including Wellington and Canterbury.
Locals have been urged to stay indoors, refrain from journeys, and make arrangements for additional electricity and network failures.
Extensive Damage and Emergency Response
This outage is primarily influencing residences mainly in the South Island, though agencies state that energy was being gradually reinstated.
Local media have reported that in some places roofs have been ripped off houses, and utility poles and vegetation have been knocked down by the gales.
Across Wellington, a man was fatally injured after being struck by a falling limb at a popular trail walking spot on Tuesday.
Meanwhile in Wellington, a female was pushed toward approaching vehicles on a thoroughfare by a powerful blast, in a moment that was recorded in a popular vehicle recording.
Aircraft services entering and leaving the urban area have been halted because of the weather, and various routes and public facilities are shut down.
Meanwhile Canterbury officials have declared a emergency situation, to support recovery activities.
Labor Protests Amid Extreme Weather
These intense gusts on today come as numerous of educators, medical professionals and government employees are engaged in what has been termed a "mega strike", requesting better pay and working conditions.
But the extreme weather has forced them to modify some of their plans, with various open-air gatherings shifted to interior venues or called off.
Like conditions are affecting the neighboring country, ushering in a high-temperature event to the country's outback.
Authorities have declared flame prohibitions for fear of bushfires.