Intense gusts hitting velocities of up to 155km/h (96mph) have caused nearly 90,000 properties experiencing outages and led agencies to cancel more than 100 aircraft departures, as reported by local media.
The gales are impacting the whole southern region and lower areas of the northern region, according to the country's meteorological service.
New Zealand authorities have released infrequent severe gust advisories - the top caution category - in core zones such as Canterbury and Wellington.
People have been encouraged to avoid going outside, avoid travel, and get ready for more electricity and network failures.
Extensive Damage and Emergency Measures
The power cut is primarily influencing households mainly in the southern region, although authorities state that the electricity supply was being gradually reinstated.
Regional news have indicated that in certain areas structures have suffered roof damage, whereas utility poles and vegetation have been toppled by the winds.
Within the capital, a individual was fatally injured after being hit by a wooden fragment at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a street by a powerful blast, in a event that was filmed in a widely shared car camera footage.
Aircraft services entering and leaving the urban area have been cancelled as a result of the winds, while some roads and libraries are not operating.
Simultaneously authorities in Canterbury have declared a emergency situation, to facilitate emergency management operations.
Labor Protests Alongside Severe Conditions
The powerful gales on today occur while numerous of teachers, doctors and other public workers take part in what has been called a "mega strike", demanding higher wages and enhanced employment terms.
However the intense climate has compelled them to modify certain arrangements, with some outdoor rallies moved indoors or cancelled.
Like conditions are affecting Australia, causing a period of extreme heat to the country's outback.
Officials have declared fire bans for fear of bushfires.
