Severe gusts attaining speeds of as high as 155km/h (96mph) have resulted in nearly 90,000 households experiencing outages and compelled agencies to call off more than 100 aircraft departures, as reported by local media.
These gusts are impacting the whole South Island and lower areas of the northern region, according to the national weather agency.
Officials in New Zealand have released infrequent severe gust advisories - the top caution category - in key areas including these major districts.
Residents have been advised to avoid going outside, avoid travel, and get ready for further utility disruptions.
Extensive Damage and Crisis Response
The electricity loss is primarily influencing homes predominantly in the South Island, although officials say that the electricity supply was being gradually reinstated.
Domestic outlets have stated that in various locations homes have lost their roofs, while power lines and trees have been brought down by the winds.
In Wellington, a individual was lost his life after being hit by a tree branch at a well-known hiking path on earlier this week.
Also in the capital, a female was pushed toward approaching vehicles on a road by a intensive burst, in a moment that was recorded in a viral dashcam video.
Air travel entering and leaving the urban area have been suspended as a result of the gusts, whereas certain highways and community centers are also closed.
Meanwhile local leaders have declared a crisis declaration, to support disaster response efforts.
Work Stoppages Amid Severe Weather
These intense gusts on this day come as tens of thousands of educators, medical professionals and government employees take part in what has been called a "mega strike", calling for better pay and working conditions.
But the intense climate has forced them to alter some of their plans, with some outdoor rallies relocated inside or called off.
Similar gusts are impacting the nearby nation, ushering in a heatwave to the nation's interior regions.
Authorities have announced flame prohibitions for concern about wildfires.
