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New South Wales/ACT 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

Sydney's long spell of surf

13:50 EST

Sydney-siders have been spoilt for choice in the surf department over the past few days.

A thundery finish to winter for Queensland

12:26 EST

Severe thunderstorms sparked up just to the west of Lochington yesterday late morning, tearing through many parts of southeast Queensland into late last night.

Snowfalls hit Tassie again

16:10 EST

A very cold airmass coupled with vigorous a low pressure system caused snow to fall to low levels in Tasmania last night and into this morning, leading to road delays and closures.