On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Water resources outlook

Water resources outlook (September - November)
The following soil moisture levels & river flows are likely:
East of the South Island
Below normal soil moisture levels and river flows
Elsewhere
Normal river flows and soil moisture levels

Water resources outlook (September - November)

The following soil moisture levels & river flows are likely:

East of the South Island Below normal soil moisture levels and river flows

Elsewhere Normal river flows and soil moisture levels