Issued at 2:15 PM
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 – Partly cloudy with a very high (90%) chance of showers, mostly in the early morning and at night. The chance of a thunderstorm in the evening.
Winds – Light becoming SE/SW 15 to 20 km/h in the morning then becoming SE 20 to 30 km/h in the middle of the day.
Rainfall – 70mm in the previous 24 hours
Expected maximum temperature – 25oC
Ocean temperature – 24oC
Swell – Southeasterly 1.5 to 2 metres, decreasing to 1.5 metres around midday.
High tide – 1.83 metres at 09:41
Low tide – 0.24 metres at 16:06
Report pollution 131 555Twitter @BeachwatchNSWWeb environment.nsw.gov.au/beach