Coral Bleaching

These pages provide information on sea surface temperatures for monitoring coral bleaching events in the Great Barrier Reef, Australia. See latest on the 2016 and 2017 marine heatwave on the reef.

Sea Surface Temperature Index Forecast


The following plot shows the latest sea surface temperature (SST) and the sea surface temperature anomaly (SSTA) forecasts from the Bureau of Meteorology's seasonal prediction system ACCESS-S. The index is defined as the spatial average in the region shown to the right of the index plot and is a useful indicator of average conditions in the area.