Weather Warnings - Flood Warning - Swan River Catchment

Australian Government Bureau of Meteorology, Western Australia

Minor Flood Warning For The Swan River
Issued at 02:37 PM WST on Friday 23 July 2021
Flood Watch Number: 3

Recent heavy rainfall in the Swan-Avon river catchments have resulted in significant river rises upstream of Walyunga.
A flood peak is now occurring in Toodyay and this peak is likely to reach Walyunga late Friday into Saturday.
It should be noted that this river flow is forecast to peak about 1.0 m lower than the peak level observed in February 2017.

Swan River upstream of Walyunga:
Minor flooding is occurring along the Swan River upstream of Walyunga.
The Swan River at Walyunga is currently at 3.75 metres and rising.
The Swan River at Walyunga exceeded the minor flood level (3.50 m) Friday morning. The river level is likely to peak near 4.20 metres overnight Friday into Saturday and may fall below the minor flood level (3.50 m) during Sunday.

Flood Safety Advice:
DFES advises people and communities to be aware that flooding is possible and be prepared to relocate equipment and livestock. Watch water levels. Travellers need to be aware that road conditions may be adversely affected and travel plans may need to be reconsidered. Do not drive into water of unknown depth and velocity.}
Community information is available from DFES at
Current river levels are available from Department of Water and Environmental Regulation at

Next issue:
The next warning will be issued by 01:00 pm WST on Saturday 24 July 2021.

Latest River Heights:
Brockman River at Tanamerah,1.14,Steady,02:00 PM FRI 23/07/21
Brockman River at Yalliawirra,1.12,Steady,02:00 PM FRI 23/07/21
Wooroloo Brook at Karls Ranch,0.71,Steady,02:00 PM FRI 23/07/21
Swan River at Walyunga,3.75,Steady,02:00 PM FRI 23/07/21
Ellen Brook at Railway Parade,0.54,Steady,02:00 PM FRI 23/07/21
Darkin River at Pine Plantation,0.62,Steady,02:00 PM FRI 23/07/21
Helene River at Poison Lease,0.40,Steady,02:00 PM FRI 23/07/21
Helena Brook at Trew Road,0.31,Steady,02:00 PM FRI 23/07/21
Jane Brook at National Park,0.30,Steady,02:00 PM FRI 23/07/21
Swan River at Meadow Street Bridge,1.18,Steady,02:00 PM FRI 23/07/21
Barrack Street Jetty,1.22,Steady,02:24 PM FRI 23/07/21

This advice is also available by dialling 1300 659 210. Warning, rainfall and river information are available at The latest weather forecast is available at

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