Powerful winds hitting speeds of approximately 155km/h (96mph) have left around 90,000 properties lacking electricity and compelled agencies to cancel more than 100 aircraft departures, as reported by domestic outlets.
The gales are affecting the whole South Island and southern sections of the North Island, as stated by the country's meteorological service.
New Zealand authorities have announced infrequent high-level wind alerts - the highest alert level - in central regions including these major districts.
People have been encouraged to stay indoors, refrain from journeys, and prepare for additional electricity and network failures.
Broad Impact and Crisis Response
The power cut is primarily influencing homes predominantly in the southern region, though agencies report that power was being restored progressively.
Domestic outlets have indicated that in certain areas structures have suffered roof damage, while utility poles and vegetation have been brought down by the gusts.
In Wellington, a man was killed after being hit by a wooden fragment at a well-known hiking path on Tuesday.
Also in the capital, a female was pushed toward approaching vehicles on a road by a strong gust of wind, in a event that was captured in a widely shared car camera footage.
Aircraft services entering and leaving the city have been cancelled as a result of the gusts, and certain highways and community centers are not operating.
Simultaneously Canterbury officials have issued a emergency situation, to facilitate disaster response efforts.
Work Stoppages During Severe Weather
These intense gusts on today come as many of school staff, physicians and civil servants take part in what has been termed a "major walkout", requesting better pay and working conditions.
However the extreme weather has forced them to alter some of their plans, with several external protests shifted to interior venues or cancelled.
Like conditions are affecting the nearby nation, ushering in a heatwave to the country's outback.
Agencies have announced burning restrictions for fear of forest fires.
