Sydney Harbour

Middle Harbour | Nth Harbour | Port Jackson

Lane Cove River | Parramatta River

Tuesday 17 September 2019

Issued at 12:50 PM

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

Hover over maps for council updates, the latest weekly star ratings and annual Beach Suitability Grades.



Sydney Water has advised of a sewage overflow in Rushcutters Bay on 16 September 2019 which may affect Rushcutters Bay. As a precaution, swimming should be avoided at Rushcutters Bay 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 – Cloudy. Very high (near 100%) chance of rain, possibly heavy at times, becoming less likely later tonight. 

Winds – S/SW 25 to 35 km/h tending S/SE 30 to 45 km/h in the middle of the day.

Rainfall – 13mm in the previous 4 days.

Expected maximum temperature – 15oC

Ocean temperature – 17oC

Swell – East to northeasterly around 1 metre, tending southeasterly 2 to 3 metres around midday.

High tide – 1.51 metres at 10:00

Low tide – 0.45 metres at 16:01



Report pollution 131 555
Twitter @BeachwatchNSW