National Oceanic and Atmospheric Administration
     Current El Niño Related Climate Predictions and Forecasts
     Climate Prediction Center
     Studies Find Significant Economic Benefit in Climate Forecasts
     El Niño Climate Anomalies Prediction
     El Niño Southern Oscillation

University of California at San Diego
     Forecasting Extreme Events
     Experimental El Niño Forecast

Other Sources
     El Niño Forecasts and Predictions, Environmental News Network
     Equatorial Pacific SSTA Forecasts, Columbia University
     El Niño and California Precipitation, San Francisco State University
     Tropical Pacific SST Predictions with a Coupled GCM, Institute of Global Environment and Society