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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

Late-season chill grips southeastern Australia

09:24 EST

It feels like spring hasn't started in parts of southeastern Australia, with some places registering their lowest September temperatures in years during the last couple of mornings.

Supplement feed shortage puts a strain on farmers already struggling with drought

09:09 EST

It's the last thing drought-declared Queensland graziers need, but dry conditions are now affecting the production of a wide range of feed supplements given to animals when grass and hay run low.

'Give them the money': Calls for urgent action to fix drought relief scheme

06:30 EST

A tiny fraction of farmers who are eligible for federal drought relief payments are currently receiving them, according to new government figures.