Intense winds hitting speeds of approximately 155km/h (96mph) have caused around 90,000 properties experiencing outages and compelled agencies to halt over 100 air travel services, according to local media.
These gusts are influencing the complete South Island and lower areas of the North Island, according to the country's meteorological service.
New Zealand authorities have released infrequent severe gust advisories - the highest alert level - in central regions encompassing Wellington and Canterbury.
People have been advised to remain inside, avoid travel, and make arrangements for more utility disruptions.
Widespread Impact and Emergency Measures
The electricity loss seems to be impacting households mostly in the southern region, though authorities state that energy was being gradually reinstated.
Local media have indicated that in certain areas homes have lost their roofs, while utility poles and vegetation have been knocked down by the gusts.
In Wellington, a person was killed after being struck by a tree branch at a frequent walking route on earlier this week.
Meanwhile in Wellington, a individual was swept into moving cars on a thoroughfare by a powerful blast, in a incident that was recorded in a viral dashcam video.
Air travel to and from the city have been suspended because of the weather, and certain highways and community centers are not operating.
Meanwhile authorities in Canterbury have declared a emergency situation, to support emergency management operations.
Labor Protests Alongside Severe Weather
These intense gusts on today occur while numerous of school staff, physicians and civil servants take part in what has been called a "major walkout", requesting improved salaries and workplace environments.
However the intense climate has compelled them to alter some of their plans, with several external protests relocated inside or abandoned.
Similar gusts are also sweeping the neighboring country, causing a high-temperature event to the country's outback.
Agencies have issued burning restrictions for fear of wildfires.