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El Niño Live
El Niño Live
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Official warnings only. Always follow your local authorities.

El Niño

El Niño is a warming of the sea in the tropical Pacific that comes every few years and shifts rain and heat around the world. Below is NOAA's status, quoted with its date. We never forecast El Niño, or what it will do where you live: for that, follow your national weather service.

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Read NOAA's ENSO discussion

The Oceanic Niño Index since 2011

Oceanic Niño Index (ONI): how far the sea surface in the central tropical Pacific is above or below normal, averaged over three months, in °C. Dashed lines: +0.5 °C and −0.5 °C, the thresholds NOAA uses for El Niño and La Niña. Data: NOAA Climate Prediction Center, read 2026-10-14.

Every winter since 1950

Each stripe is the ONI for one Pacific winter, December to February, 1950 to 2026. Blue: La Niña. Rose: El Niño. Data: NOAA Climate Prediction Center.

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