Powerful gales attaining velocities of as high as 155km/h (96mph) have caused nearly 90,000 homes lacking electricity and led agencies to call off in excess of 100 flights, according to local media.
The winds are impacting the complete southern region and southern sections of the northern region, according to the country's meteorological service.
The nation's agencies have released rare high-level wind alerts - the highest alert level - in key areas including these major districts.
Locals have been advised to remain inside, refrain from journeys, and get ready for additional power and communication outages.
Extensive Destruction and Crisis Response
This outage is primarily influencing households mostly in the southern region, though agencies say that the electricity supply was being slowly brought back.
Regional news have stated that in various locations structures have suffered roof damage, while power lines and trees have been toppled by the gales.
Within the capital, a person was killed after being struck by a falling limb at a frequent walking route on earlier this week.
Additionally in the city, a woman was pushed toward oncoming traffic on a thoroughfare by a strong gust of wind, in a event that was filmed in a viral dashcam video.
Air travel entering and leaving the urban area have been suspended as a result of the winds, whereas various routes and public facilities are also closed.
Meanwhile authorities in Canterbury have announced a crisis declaration, to assist emergency management operations.
Strike Action During Harsh Weather
The wild winds on Thursday come as many of educators, medical professionals and government employees take part in what has been termed a "mega strike", requesting higher wages and enhanced employment terms.
However the extreme weather has pressured them to change some of their plans, with several external protests relocated inside or abandoned.
Similar gusts are also sweeping the nearby nation, ushering in a heatwave to the remote areas.
Agencies have declared burning restrictions for fear of wildfires.