See current wind, weather, ocean, and pollution conditions, as forecast by supercomputers, on an interactive animated map. Updated every three hours.

This is a great up to date visualization of the relevant sea surface temperature anomalies and currents to El Nino.

Ooof look at the sea surface temperature anomalies around and in the arctic too… The main equatorial expression of El Nino can be seen as the bright vertical line on the lefthand side of the image (that vertical line being the equator).