Severe winds hitting speeds of approximately 155km/h (96mph) have caused nearly 90,000 homes without power and forced authorities to halt more than 100 air travel services, based on local media.
The gales are influencing the entire South Island and southern parts of the northern region, according to the country's meteorological service.
The nation's agencies have announced infrequent severe gust advisories - the most severe warning - in core zones including Wellington and Canterbury.
Residents have been advised to stay indoors, refrain from journeys, and prepare for additional electricity and network failures.
Extensive Damage and Emergency Measures
The electricity loss appears to be affecting homes predominantly in the southern region, although authorities state that energy was being restored progressively.
Domestic outlets have indicated that in some places roofs have been ripped off houses, while utility poles and vegetation have been knocked down by the gales.
Within the capital, a man was killed 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 oncoming traffic on a thoroughfare by a intensive burst, in a event that was recorded in a viral dashcam video.
Aircraft services in and out of the urban area have been cancelled because of the weather, while certain highways and community centers are shut down.
Meanwhile authorities in Canterbury have announced a crisis declaration, to support disaster response efforts.
Strike Action During Harsh Weather
These intense gusts on this day occur while numerous of teachers, doctors and other public workers are engaged in what has been termed a "major walkout", requesting better pay and working conditions.
Yet the severe conditions has forced them to alter certain arrangements, with several external protests moved indoors or cancelled.
Like conditions are impacting the neighboring country, causing a high-temperature event to the remote areas.
Authorities have declared flame prohibitions for apprehension regarding bushfires.
