May 2026 ENSO Outlook: El Nino onset is just ahead followed by rapid intensity increase for the second half of 2026. El Nino continues well into 2027. IOD forecasts are less certain.

April 2026 Marine Heatwave Outlook: Global marine heatwave aerial coverage is 27% and forecast to reach 40%.
04/23/2026, 8:26 am EDT