ENSO Forecast

August 2025 El Niño/Southern Oscillation (ENSO) forecast by the Climate Prediction Center of the US National Weather Service. 

ENSO Alert System Status: La Niña  Watch. 

A transition from ENSO-neutral to La Niña is likely in the next couple of months, with a 71% of La Niña during October – December 2025. Thereafter, La Niña is favoured but chances decrease to 54% in December 2025 – February 2026.

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Below is a chart of Pacific Ocean SST anomalies.