Powerful gusts hitting speeds of as high as 155km/h (96mph) have resulted in approximately 90,000 homes lacking electricity and forced officials to halt more than 100 flights, as reported by regional news sources.
The gales are influencing the entire South Island and lower areas of the northern region, according to the country's meteorological service.
The nation's agencies have released uncommon severe gust advisories - the top caution category - in central regions including Canterbury and Wellington.
Residents have been encouraged to avoid going outside, refrain from journeys, and make arrangements for further power and communication outages.
Widespread Destruction and Crisis Response
This outage appears to be affecting households predominantly in the South Island, while authorities say that energy was being gradually reinstated.
Local media have reported that in some places homes have lost their roofs, while utility poles and vegetation have been knocked down by the gales.
Within the capital, a man was fatally injured after being hit by a wooden fragment at a frequent walking route on earlier this week.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a road by a intensive burst, in a moment that was filmed in a popular vehicle recording.
Flights in and out of the city have been halted because of the winds, and various routes and public facilities are not operating.
Simultaneously authorities in Canterbury have announced a crisis declaration, to support recovery activities.
Work Stoppages Amid Severe Conditions
The powerful gales on this day coincide with tens of thousands of teachers, doctors and other public workers are engaged in what has been termed a "significant labor action", demanding better pay and working conditions.
But the severe conditions has compelled them to alter certain arrangements, with some outdoor rallies relocated inside or cancelled.
Like conditions are affecting Australia, causing a period of extreme heat to the nation's interior regions.
Officials have declared burning restrictions for apprehension regarding bushfires.
