Intense gales attaining velocities of as high as 155km/h (96mph) have left approximately 90,000 homes lacking electricity and compelled agencies to call off more than 100 aircraft departures, according to local media.
The gales are affecting the entire southern region and southern parts of the northern region, as stated by the country's meteorological service.
New Zealand authorities have announced infrequent red wind warnings - the top caution category - in central regions encompassing Canterbury and Wellington.
Locals have been advised to avoid going outside, stay off roads, and prepare for additional electricity and network failures.
Broad Destruction and Emergency Response
The power cut appears to be affecting residences mostly in the southern region, although officials report that the electricity supply was being slowly brought back.
Local media have indicated that in various locations structures have suffered roof damage, whereas power lines and trees have been brought down by the gusts.
In Wellington, a man was killed after being hit by a wooden fragment at a popular trail walking spot on Tuesday.
Also in the capital, a female was blown onto oncoming traffic on a road by a strong gust of wind, in a incident that was recorded in a viral dashcam video.
Air travel entering and leaving the city have been suspended due to the winds, and certain highways and community centers are shut down.
Meanwhile local leaders have announced a crisis declaration, to facilitate emergency management operations.
Labor Protests During Severe Conditions
The powerful gales on today come as numerous of school staff, physicians and civil servants are participating in what has been termed a "major walkout", requesting better pay and working conditions.
But the severe conditions has forced them to change certain arrangements, with several external protests shifted to interior venues or called off.
Similar gusts are also sweeping the neighboring country, bringing a period of extreme heat to the remote areas.
Authorities have announced flame prohibitions for fear of forest fires.
