Powerful gales reaching velocities of up to 155km/h (96mph) have left approximately 90,000 properties lacking electricity and compelled officials to call off in excess of 100 aircraft departures, according to regional news sources.
The gales are affecting the whole South Island and southern parts of the northern region, according to the country's meteorological service.
Officials in New Zealand have issued rare severe gust advisories - the highest alert level - in key areas encompassing Canterbury and Wellington.
Locals have been urged to avoid going outside, avoid travel, and make arrangements for further power and communication outages.
Widespread Damage and Emergency Measures
The electricity loss appears to be affecting residences mostly in the southern region, though authorities say that the electricity supply was being restored progressively.
Domestic outlets have stated that in certain areas roofs have been ripped off houses, whereas utility poles and vegetation have been knocked down by the winds.
In Wellington, a man was lost his life after being struck by a tree branch at a popular trail walking spot on earlier this week.
Also in the capital, a woman was swept into approaching vehicles on a street by a powerful blast, in a incident that was filmed in a widely shared car camera footage.
Aircraft services to and from the metropolis have been suspended because of the winds, and some roads and libraries are shut down.
At the same time authorities in Canterbury have announced a emergency situation, to support emergency management operations.
Strike Action During Severe Weather
The powerful gales on today occur while tens of thousands of educators, medical professionals and government employees are participating in what has been described as a "mega strike", calling for higher wages and enhanced employment terms.
However the extreme weather has pressured them to alter some of their plans, with various open-air gatherings moved indoors or called off.
Similar gusts are affecting the neighboring country, ushering in a heatwave to the nation's interior regions.
Officials have declared burning restrictions for fear of bushfires.
