Severe gales reaching speeds of up to 155km/h (96mph) have left nearly 90,000 properties lacking electricity and led officials to cancel more than 100 aircraft departures, as reported by local media.
The winds are influencing the entire South Island and lower areas of the northern region, as stated by the national weather agency.
Officials in New Zealand have issued infrequent severe gust advisories - the most severe warning - in central regions such as Wellington and Canterbury.
People have been advised to stay indoors, avoid travel, and prepare for more electricity and network failures.
Widespread Damage and Emergency Measures
The power cut appears to be affecting households predominantly in the southern region, although officials say that power was being gradually reinstated.
Local media have stated that in certain areas roofs have been ripped off houses, and trees and electricity poles have been toppled by the gusts.
In Wellington, a person was fatally injured after being hit by a wooden fragment at a frequent walking route on earlier this week.
Additionally in the city, a woman was swept into approaching vehicles on a street by a powerful blast, in a incident that was recorded in a popular vehicle recording.
Aircraft services to and from the urban area have been halted as a result of the gusts, whereas various routes and public facilities are shut down.
At the same time authorities in Canterbury have declared a state of emergency, to assist emergency management operations.
Work Stoppages Amid Harsh Conditions
The powerful gales on today coincide with tens of thousands of educators, medical professionals and government employees take part in what has been termed a "mega strike", calling for improved salaries and workplace environments.
However the intense climate has forced them to modify various scheduled activities, with some outdoor rallies relocated inside or abandoned.
Comparable winds are impacting Australia, bringing a heatwave to the country's outback.
Authorities have issued flame prohibitions for fear of wildfires.
