Powerful gusts attaining speeds of approximately 155km/h (96mph) have left nearly 90,000 homes without power and led officials to cancel in excess of 100 flights, as reported by domestic outlets.
The gales are affecting the complete southern region and southern parts of the northern region, as stated by the weather forecasting body.
Officials in New Zealand have issued rare severe gust advisories - the top caution category - in core zones such as these major districts.
Locals have been advised to remain inside, refrain from journeys, and get ready for more electricity and network failures.
Broad Damage and Emergency Measures
The power cut seems to be impacting residences predominantly in the South Island, while officials state that energy was being slowly brought back.
Domestic outlets have reported that in certain areas homes have lost their roofs, and utility poles and vegetation have been toppled by the winds.
In Wellington, a person was fatally injured after being struck by a tree branch at a popular trail walking spot on Tuesday.
Also in the capital, a woman was blown onto oncoming traffic on a road by a powerful blast, in a event that was captured in a viral dashcam video.
Flights in and out of the urban area have been cancelled because of the weather, and some roads and libraries are not operating.
At the same time Canterbury officials have issued a emergency situation, to assist recovery activities.
Labor Protests During Harsh Conditions
The powerful gales on today coincide with many of teachers, doctors and other public workers are engaged in what has been called a "mega strike", calling for higher wages and enhanced employment terms.
Yet the severe conditions has forced them to alter certain arrangements, with some outdoor rallies shifted to interior venues or cancelled.
Comparable winds are affecting Australia, bringing a period of extreme heat to the country's outback.
Authorities have issued fire bans for concern about bushfires.
