Southern Harbours

Botany Bay

Lower Georges River

Port Hacking

Thursday 23 January 2020

Issued at 7:00 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.



Sydney Water has advised of a sewage overflow in Oatley on 22 January 2020 which may affect Gungah Bay. 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 – Hot. Mostly sunny morning. Areas of dust haze possible this afternoon and evening. Slight chance of a shower, most likely this evening. The chance of a thunderstorm late this afternoon and evening with gusty winds. 

Winds – N 20 to 30 km/h tending NW 30 to 45 km/h in the morning.

Rainfall – 26.5m in the previous 5 days.

Expected maximum temperature – 41oC

Ocean temperature – 23oC

Swell – Northeasterly 1 to 1.5 metres.

High tide – 1.8 metres at 08:09

Low tide – 0.36 metres at 14:54



Report pollution 131 555
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