ENSO Forecast

August 2026 El Niño/Southern Oscillation (ENSO) forecast by the Climate Prediction Center of the US National Weather Service. 

ENSO Alert System Status: El Niño Advisory. 

El Niño is strengthening, with a greater than 90% chance of a very strong event during the Northern Hemisphere fall and winter 2026-27.

Below is a chart of Pacific Ocean SST anomalies.