Sydney Harbour

Middle Harbour | Nth Harbour | Port Jackson

Lane Cove River | Parramatta River

Tuesday 6 December 2022

Issued at 7:10 AM

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

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For information on beach closures please contact relevant authorities such as local councils.


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. Slight chance of a shower. 

Winds – S 15 to 25 km/h turning SE 20 to 30 km/h in the late morning then decreasing to 15 to 20 km/h in the evening.

Rainfall – 12.5mm in the previous 4 days.

Expected maximum temperature – 23oC

Ocean temperature – 20oC

Swell – East to northeasterly 1 to 1.5 metres, tending southerly 1.5 to 2.5 metres around midday.

High tide – 1.73 metres at 07:48

Low tide – 0.45 metres at 14:25



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