Issued at 7:20 AM
Rainfall data has been used to predict the likelihood of bacterial contamination at Sydney's ocean beaches.
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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.
Weather – Cloudy. Very high chance of showers, most likely this afternoon and tonight. The chance of a thunderstorm, possibly severe.
Winds – N 15 to 25 km/h increasing to 25 to 35 km/h during the day then shifting gusty S 30 to 45 km/h in the late evening and possibly reaching 50 km/h.
Rainfall – 6mm in the previous 24 hours.
Expected maximum temperature – 26oC
Ocean temperature – 19oC
Swell – Northeasterly around 1 metre, increasing to 1 to 1.5 metres in the afternoon.
High tide – 1.53 metres at 15:44
Low tide – 0.73 metres at 09:09
Report pollution 131 555Twitter @BeachwatchNSWWeb environment.nsw.gov.au/beach