Powerful gusts hitting velocities of up to 155km/h (96mph) have caused approximately 90,000 homes experiencing outages and led authorities to halt over 100 aircraft departures, as reported by regional news sources.
The gales are impacting the whole southern region and lower areas of the North Island, per the country's meteorological service.
New Zealand authorities have announced uncommon high-level wind alerts - the top caution category - in core zones such as Canterbury and Wellington.
Locals have been urged to stay indoors, avoid travel, and prepare for further electricity and network failures.
This outage appears to be affecting residences predominantly in the southern region, although officials report that power was being slowly brought back.
Regional news have reported that in certain areas structures have suffered roof damage, while power lines and trees have been toppled by the gusts.
In Wellington, a individual was fatally injured after being struck by a tree branch at a frequent walking route on Tuesday.
Also in the capital, a woman was blown onto moving cars on a street by a powerful blast, in a moment that was captured in a viral dashcam video.
Air travel entering and leaving the metropolis have been suspended because of the winds, while certain highways and community centers are not operating.
At the same time Canterbury officials have declared a state of emergency, to support recovery activities.
The powerful gales on today come as tens of thousands of school staff, physicians and civil servants take part in what has been called a "major walkout", demanding higher wages and enhanced employment terms.
Yet the severe conditions has forced them to change various scheduled activities, with several external protests relocated inside or called off.
Like conditions are also sweeping the nearby nation, causing a high-temperature event to the country's outback.
Agencies have declared fire bans for apprehension regarding forest fires.
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