Southern Harbours

Botany Bay

Lower Georges River

Port Hacking

Thursday 28 October 2021

Issued at 7:15 AM

Rainfall data has been used to predict the likelihood of bacterial contamination at swimming sites in Botany Bay, lower Georges River and Port Hacking.

Hover over maps for council updates, the latest weekly star ratings and annual Beach Suitability Grades.



For information on beach closures please contact relevant authorities such as local councils.
Sydney Water has advised of a sewage overflow in Oatley on 26 October 2021 which may affect the Georges River. As a precaution, swimming should be avoided at Gungah Bay due to the possibility of pollution. Contact Sydney Water on 13 20 90 for details.


Pollution is unlikely Pollution is unlikely, enjoy your swim!
Pollution is possible Pollution is possible, take care.
Pollution is likely Pollution is likely, avoid swimming today.
Update Updated information available.

More information about this forecast


As a general precaution, swimming in Botany Bay, lower Georges River and Port Hacking should be avoided for up to three days following rainfall or for as long as stormwater is present. The most obvious signs of stormwater pollution are water discolouration as well as debris in the water and on the tide line.

* Please note water temperature in estuarine areas can be warmer in summer and cooler in winter than the reported ocean temperature.


Beach Conditions

Weather – Mostly sunny. The chance of fog early this morning. 

Winds – Light, becoming E 15 to 20 km/h in the late afternoon then becoming light in the evening.

Rainfall – 7.5mm in the previous 5 days.

Expected maximum temperature – 28oC

Ocean temperature – 20oC

Swell – Southerly 1.5 metres, decreasing to around 1 metre during the morning.

High tide – 1.46 metres at 14:08

Low tide – 0.77 metres at 07:32



Report pollution 131 555
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