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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

SA weather: Langhorne Creek vineyards welcome winter flooding

17:39 EST

While a wet and stormy winter has many South Australians counting the days until summer, flooding at Langhorne Creek south of Adelaide has grape growers smiling.

Myer redevelopment flooding: Safety concerns hamper efforts to repair Hobart Rivulet breach

16:05 EST

Safety concerns have held up remediation works at the Myer store redevelopment in the Hobart CBD, which has been flooded after a rivulet wall collapsed.

Squally Sunday for southwestern WA

15:33 EST

Conditions are set to take a turn for the worse over the weekend as a cold front bears down on southwestern WA.