Intense winds attaining speeds of up to 155km/h (96mph) have resulted in nearly 90,000 homes without power and forced agencies to cancel in excess of 100 flights, as reported by local media.
The gales are affecting the whole South Island and southern sections of the northern region, according to the country's meteorological service.
The nation's agencies have issued rare severe gust advisories - the most severe warning - in central regions such as Wellington and Canterbury.
Residents have been advised to remain inside, refrain from journeys, and get ready for more power and communication outages.
Broad Damage and Crisis Measures
The power cut appears to be affecting residences mainly in the southern region, although agencies report that the electricity supply was being restored progressively.
Domestic outlets have stated that in some places homes have lost their roofs, and utility poles and vegetation have been knocked down by the gales.
Within the capital, a man was fatally injured after being struck by a tree branch at a popular trail walking spot on earlier this week.
Additionally in the city, a individual was swept into oncoming traffic on a street by a powerful blast, in a event that was captured in a viral dashcam video.
Flights in and out of the city have been halted due to the winds, and some roads and libraries are not operating.
Simultaneously Canterbury officials have declared a crisis declaration, to facilitate disaster response efforts.
Strike Action During Extreme Weather
The powerful gales on today coincide with tens of thousands of educators, medical professionals and government employees are participating in what has been called a "mega strike", calling for higher wages and enhanced employment terms.
Yet the extreme weather has pressured them to modify various scheduled activities, with several external protests relocated inside or called off.
Like conditions are affecting the nearby nation, ushering in a high-temperature event to the country's outback.
Authorities have issued flame prohibitions for apprehension regarding forest fires.
