North Island on High Alert as Cyclone Vaianu Threatens Destructive Impact

MetService issues rare island-wide warnings as Cyclone Vaianu approaches. Northland declares a State of Emergency ahead of expected 140km/h gusts and massive swells.

By: AXL Media

Published: Apr 10, 2026, 4:50 AM EDT

Source: RNZ Pacific

Regional Impacts and Emergency Declarations

While the Coromandel and Bay of Plenty are expected to be the hardest hit, forecasters warn that no part of the North Island will be entirely spared. The declaration in Northland grants officials the power to order mandatory evacuations, close critical roading networks, and requisition emergency supplies. Authorities have emphasized that the early declaration is a precautionary measure to ensure community safety before the storm's core arrives late Saturday night.

"A Multi-Hazard System": Winds, Rain, and Swells

MetService meteorologist John Law described Vaianu as a "multi-hazard" system. Key forecast features include:

Destructive Winds: Gusts are expected to reach 140 km/h in the Coromandel. MetService warns of a "threat to life" from flying debris and falling trees.

Extreme Rainfall: Some areas, particularly the Auckland region and the Coromandel ranges, could receive over a month's worth of rain (upwards of 200mm) in just 12 hours.