Global Sea Surface Temperature

The sea surface temperature (SST) varies much more slowly than atmospheric temperatures due to the heat capacity of water. As such, the SSTs lag the atmospheric temperatures on a seasonal timescale by about 3 months. The lowest SSTs are usually observed in early Spring and the highest SSTs are observed in early Autumn.

In tropical regions, SSTs greater than 26°C are considered suitable for formation of tropical cyclones.

The data displayed in this map is the weekly average, centred on the date shown.

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Weather News

Latest IOD data backing wet spring outlook for Australia

17:10 EST

The index used to monitor the Indian Ocean Dipole has just reached its lowest value since 2016, bolstering the likelihood of a wet and cool spring in Australia.

Townsville's warmest July on record

12:54 EST

It's been a balmy month in northern Queensland, with Townsville on track to register its warmest July on record based on maximum temperatures.

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