Severe winds hitting velocities of approximately 155km/h (96mph) have resulted in around 90,000 homes without power and led authorities to cancel in excess of 100 aircraft departures, as reported by regional news sources.
The gales are affecting the entire southern region and southern sections of the northern region, per the country's meteorological service.
Officials in New Zealand have announced infrequent severe gust advisories - the most severe warning - in core zones including Canterbury and Wellington.
Locals have been urged to stay indoors, stay off roads, and make arrangements for further electricity and network failures.
Broad Damage and Emergency Response
This outage appears to be affecting homes mainly in the southern region, although authorities say that energy was being gradually reinstated.
Local media have reported that in certain areas structures have suffered roof damage, while power lines and trees have been knocked down by the gusts.
Across Wellington, a man was fatally injured after being impacted by a tree branch at a well-known hiking path on Tuesday.
Also in the capital, a woman was pushed toward approaching vehicles on a road by a strong gust of wind, in a incident that was recorded in a popular vehicle recording.
Aircraft services in and out of the urban area have been halted as a result of the winds, while various routes and public facilities are not operating.
At the same time Canterbury officials have issued a state of emergency, to facilitate emergency management operations.
Labor Protests Alongside Extreme Conditions
These intense gusts on this day coincide with numerous of educators, medical professionals and government employees take part in what has been described as a "mega strike", requesting better pay and working conditions.
But the severe conditions has compelled them to change certain arrangements, with various open-air gatherings relocated inside or cancelled.
Like conditions are also sweeping Australia, ushering in a period of extreme heat to the remote areas.
Authorities have declared flame prohibitions for fear of wildfires.