Powerful winds hitting velocities of approximately 155km/h (96mph) have resulted in around 90,000 homes experiencing outages and led authorities to halt in excess of 100 air travel services, according to regional news sources.
These gusts are affecting the entire South Island and southern sections of the northern region, according to the weather forecasting body.
The nation's agencies have announced uncommon red wind warnings - the highest alert level - in core zones including Wellington and Canterbury.
Residents have been advised to remain inside, avoid travel, and make arrangements for further electricity and network failures.
Extensive Impact and Emergency Response
The electricity loss seems to be impacting households predominantly in the South Island, though agencies report that the electricity supply was being slowly brought back.
Local media have reported that in certain areas structures have suffered roof damage, and power lines and trees have been knocked down by the gales.
Across Wellington, a man was killed after being hit by a tree branch at a popular trail walking spot on earlier this week.
Meanwhile in Wellington, a individual was blown onto approaching vehicles on a road by a strong gust of wind, in a event that was filmed in a viral dashcam video.
Flights entering and leaving the urban area have been halted due to the weather, whereas certain highways and community centers are shut down.
Simultaneously local leaders have issued a state of emergency, to assist emergency management operations.
Labor Protests Alongside Extreme Conditions
The wild winds on this day coincide with numerous 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 various scheduled activities, with some outdoor rallies moved indoors or cancelled.
Similar gusts are also sweeping Australia, causing a period of extreme heat to the nation's interior regions.
Authorities have announced fire bans for fear of bushfires.
