Environmental issues


Southern Harbours

Botany Bay

Lower Georges River

Port Hacking

Thursday 3 September 2015

Issued at 8:45 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.



Marine wind warning for gale winds for the Sydney Coast.


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 and very high (90%) chance of showers along the coastal fringe, mainly in the evening, and a medium (50%) chance in the west. The chance of a thunderstorm, chiefly near the coast. 

Winds – NW 15 to 20 km/h turning SW 20 to 30 km/h in the middle of the day, increasing to 30 to 45 km/h along the coast in the evening.

Rainfall – 2.5mm in the previous 5 days

Expected maximum temperature – 20oC

Ocean temperature – 19oC

Swell – Southerly 1 to 2 metres.

High tide – 1.68 metres at 11:44

Low tide – 0.34 metres at 18:01



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