Severe gales hitting speeds of up to 155km/h (96mph) have left nearly 90,000 households lacking electricity and compelled authorities to cancel in excess of 100 air travel services, as reported by local media.
These gusts are impacting the entire southern region and lower areas of the northern region, according to the country's meteorological service.
New Zealand authorities have released infrequent red wind warnings - the most severe warning - in central regions such as Wellington and Canterbury.
Locals have been advised to avoid going outside, refrain from journeys, and make arrangements for further electricity and network failures.
Broad Damage and Crisis Measures
This outage is primarily influencing households predominantly in the southern region, though authorities say that energy was being gradually reinstated.
Regional news have indicated that in some places roofs have been ripped off houses, while power lines and trees have been knocked down by the gales.
In Wellington, a person was fatally injured after being hit by a tree branch at a well-known hiking path on Tuesday.
Also in the capital, a individual was blown onto moving cars on a thoroughfare by a strong gust of wind, in a incident that was recorded in a viral dashcam video.
Flights to and from the city have been halted as a result of the winds, while certain highways and community centers are not operating.
Simultaneously authorities in Canterbury have declared a emergency situation, to assist emergency management operations.
Strike Action During Extreme Conditions
The powerful gales on Thursday coincide with tens of thousands of school staff, physicians and civil servants are participating in what has been termed a "significant labor action", demanding improved salaries and workplace environments.
Yet the intense climate has forced them to alter some of their plans, with various open-air gatherings moved indoors or called off.
Similar gusts are also sweeping the neighboring country, ushering in a heatwave to the country's outback.
Authorities have announced fire bans for concern about bushfires.