Sydney Harbour

Middle Harbour | Nth Harbour | Port Jackson

Lane Cove River | Parramatta River

Wednesday 16 January 2019

Issued at 1:00 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.


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 – Hot and sunny. 

Winds – Light in the morning then becoming NE 15 to 25 km/h in the early afternoon.

Rainfall – 4mm in the previous 4 days.

Expected maximum temperature – 31oC

Ocean temperature – 20oC

Swell – Northeasterly 1 to 1.5 metres.

High tide – 1.28 metres at 16:52

Low tide – 0.67 metres at 11:00



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