- Website is the main springboard to the National Oceanic and Atmospheric Administration (NOAA) information on the El Niño and La Niña weather phenomena.www.elnino.noaa.gov
- Diagnostic summaries and advisories by the NOAA Climate Prediction Center on El Niño and La Niña phenomena.www.cpc.ncep.noaa.gov/products/analysis_monitoring/enso_advisory
- The Climate Prediction Center maintains a home page for El Nino, La Nina, and ENSO (El Nino Southern Oscillation)advisories, forecasts, monitoring data, and educational materials.www.cpc.noaa.gov/products/analysis_monitoring/lanina
- Weekly update and short term forecast for the El Niño/La Niña weather phenomena.www.cpc.ncep.noaa.gov/products/analysis_monitoring/enso_update/index.html
- Website by the Australian Bureau of Meteorology provides El Niño and La Niña forecasts.www.bom.gov.au/climate/ahead/ENSO-summary.shtml