Sydney ocean beaches




Thursday 21 October 2021

Issued at 7:05 AM

Rainfall data has been used to predict the likelihood of bacterial contamination at Sydney's ocean beaches.

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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 at Sydney's oceans beaches should be avoided for up to one day after heavy 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.

Beach Conditions

Weather – Partly cloudy. High chance of showers, becoming less likely late this afternoon and evening. 

Winds – Light becoming E/SE 15 to 25 km/h in the middle of the day then becoming light in the late evening.

Rainfall – 0.5mm in the previous 24 hours.

Expected maximum temperature – 22oC

Ocean temperature – 19oC

Swell – Southerly 1 to 1.5 metres, decreasing to around 1 metre by early evening.

High tide – 1.65 metres at 09:29

Low tide – 0.4 metres at 15:44



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