Intense gusts hitting speeds of as high as 155km/h (96mph) have left around 90,000 properties lacking electricity and forced authorities to cancel over 100 flights, according to local media.
The winds are affecting the complete southern region and southern sections of the North Island, according to the weather forecasting body.
Officials in New Zealand have released rare high-level wind alerts - the highest alert level - in key areas such as these major districts.
Residents have been advised to avoid going outside, avoid travel, and make arrangements for additional power and communication outages.
The electricity loss seems to be impacting residences predominantly in the southern region, although officials say that the electricity supply was being slowly brought back.
Domestic outlets have stated that in various locations structures have suffered roof damage, and power lines and trees have been brought down by the winds.
Within the capital, a man was fatally injured after being impacted by a wooden fragment at a well-known hiking path on earlier this week.
Also in the capital, a individual was swept into oncoming traffic on a thoroughfare by a intensive burst, in a event that was recorded in a popular vehicle recording.
Aircraft services entering and leaving the city have been suspended as a result of the weather, while certain highways and community centers are shut down.
Meanwhile local leaders have issued a state of emergency, to facilitate disaster response efforts.
The powerful gales on this day come as numerous of teachers, doctors and other public workers are participating in what has been described as a "major walkout", demanding improved salaries and workplace environments.
Yet the severe conditions has forced them to modify certain arrangements, with some outdoor rallies shifted to interior venues or called off.
Like conditions are impacting the neighboring country, bringing a period of extreme heat to the nation's interior regions.
Officials have announced fire bans for fear of wildfires.
Lena is a Dutch travel writer and Amsterdam local who loves sharing hidden gems and practical advice for exploring the city.