La Niña has now given way to ENSO-neutral conditions, and there is an 80% chance that ENSO-neutral conditions will continue during May-July 2025. As of 21 April, the 30-day NINO3.4 Index (in the ...

State Owned Enterprises Minister Simeon Brown and Science, Innovation and Technology Minister Shane Reti today jointly announced that Cabinet has agreed to proceed with NIWA’s acquisition of ...

NIWA is leading a voyage (TAN2206), between 9th April and 6th May 2022 to Hunga Tonga - Hunga Ha’apai (HT-HH) volcano within the Kingdom of Tonga. Subsequent to a recent eruption at HT-HH, this voyage ...

Rainfall Below normal rainfall (50-79% of normal) or well below normal rainfall (<50% of normal) was observed across much of the North Island, and northern, western and inland parts of the South ...