Sydney Harbour

Middle Harbour | Nth Harbour | Port Jackson

Lane Cove River | Parramatta River

Saturday 16 February 2019

Issued at 10:00 AM

Rainfall data has been used to predict the likelihood of bacterial contamination at swimming sites in Sydney Harbour.

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Sydney Water has advised of a sewage overflow in Double Bay on 10 February 2019 which may affect Double Bay Beach. As a precaution, swimming should be avoided in Double Bay Beach due to the possibility of pollution. Contact Sydney Water on 13 20 90 for details.


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 Sydney Harbour should be avoided for up to three days following rainfall or for as long as stormwater is present.

* 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. 

Winds – Light becoming E/NE 15 to 20 km/h in the early afternoon then becoming light in the evening.

Rainfall – 0mm in the previous 4 days.

Expected maximum temperature – 27oC

Ocean temperature – 22oC

Swell – Southerly around 1 metre.

High tide – 1.32 metres at 18:48

Low tide – 0.43 metres at 12:50



Report pollution 131 555
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