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

Sea Surface Temperature anomaly forecasts

Maps of monthly averaged Sea Surface Temperature anomaly forecasts for October 2021 to March 2022. These maps are created by combining results from 8 different climate models. Regions coloured in red-brown tones are predicted to be warmer than usual.  Those in blue tones are predicted to be cooler than usual.