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

Tropical Cyclone Niran gaining strength over Coral Sea

12:25 EDT

Severe Tropical Cyclone Niran is deepening as it barrels across the Coral Sea towards New Caledonia, where it's likely to cause severe weather this weekend.

Tsunami warnings issued following earthquakes near New Zealand

07:57 EDT

A tsunami warning has been issued for parts of New Zealand and waters around Norfolk Island this morning following a powerful earthquake.

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