Environmental issues


Southern Harbours

Botany Bay

Lower Georges River

Port Hacking

Saturday 25 April 2015

Issued at 10:15 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.



Due to flooding and heavy rainfall in the past days, always look for signs of water pollution, including litter, leaf litter, odour and discolouration. Avoid swimming near lagoons or flowing drains.


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 – Partly cloudy. High (70%) chance of showers during this afternoon and evening. The chance of a thunderstorms in the afternoon and evening. 

Winds – NW 15 to 20 km/h becoming light in the late afternoon then becoming W 15 to 20 km/h in the late evening.

Rainfall – 265.5mm in the previous 5 days

Expected maximum temperature – 24oC

Ocean temperature – 19oC

Swell – Primary: Easterly 1.5 metres, increasing to 2 metres during the afternoon. Secondary: Southerly around 1 metre.

High tide – 1.25 metres at 13:53.

Low tide – 0.58 metres at 07:48.



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