Intense gales reaching speeds of approximately 155km/h (96mph) have left nearly 90,000 households without power and led officials to cancel over 100 aircraft departures, based on local media.
The winds are affecting the entire southern region and southern parts of the northern region, per the weather forecasting body.
Officials in New Zealand have released infrequent severe gust advisories - the highest alert level - in key areas encompassing these major districts.
People have been encouraged to remain inside, avoid travel, and make arrangements for more electricity and network failures.
Broad Destruction and Emergency Measures
The electricity loss appears to be affecting homes mostly in the southern region, while authorities say that the electricity supply was being slowly brought back.
Domestic outlets have indicated that in various locations structures have suffered roof damage, and utility poles and vegetation have been knocked down by the winds.
In Wellington, a person was fatally injured after being impacted by a falling limb at a frequent walking route on earlier this week.
Additionally in the city, a woman was swept into approaching vehicles on a road by a intensive burst, in a incident that was recorded in a widely shared car camera footage.
Air travel to and from the urban area have been cancelled as a result of the winds, whereas some roads and libraries are shut down.
At the same time Canterbury officials have announced a state of emergency, to support recovery activities.
Labor Protests Amid Harsh Weather
The wild winds on today occur while tens of thousands of teachers, doctors and other public workers take part in what has been described as a "significant labor action", requesting better pay and working conditions.
But the severe conditions has compelled them to change some of their plans, with various open-air gatherings relocated inside or cancelled.
Like conditions are affecting the nearby nation, causing a period of extreme heat to the remote areas.
Officials have issued flame prohibitions for concern about forest fires.
