Severe gusts hitting speeds of approximately 155km/h (96mph) have resulted in around 90,000 households lacking electricity and led agencies to cancel more than 100 air travel services, as reported by regional news sources.
The gales are influencing the whole southern region and lower areas of the North Island, per the country's meteorological service.
New Zealand authorities have issued infrequent severe gust advisories - the highest alert level - in central regions including these major districts.
Residents have been urged to stay indoors, avoid travel, and prepare for more electricity and network failures.
Widespread Destruction and Crisis Measures
The power cut appears to be affecting residences predominantly in the South Island, while agencies say that energy was being restored progressively.
Local media have stated that in some places structures have suffered roof damage, and trees and electricity poles have been knocked down by the winds.
Across Wellington, a person was fatally injured after being struck by a tree branch at a well-known hiking path on Tuesday.
Additionally in the city, a female was swept into approaching vehicles on a thoroughfare by a strong gust of wind, in a incident that was captured in a popular vehicle recording.
Air travel entering and leaving the urban area have been cancelled because of the winds, and various routes and public facilities are not operating.
Simultaneously Canterbury officials have announced a state of emergency, to assist disaster response efforts.
Labor Protests Alongside Extreme Weather
The wild winds on Thursday come as numerous of school staff, physicians and civil servants are participating in what has been called a "major walkout", calling for improved salaries and workplace environments.
Yet the extreme weather has compelled them to alter certain arrangements, with some outdoor rallies shifted to interior venues or cancelled.
Comparable winds are also sweeping the nearby nation, bringing a high-temperature event to the country's outback.
Agencies have announced flame prohibitions for apprehension regarding wildfires.
