Flood Warning for Onkaparinga River in South Australia
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BOM issues final flood warning for the Onkaparinga River at Oakbank, Woodside and Upper Onkaparinga River above Verdun as minor flooding has eased.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- South Australia
- Issued
- August 10, 2026
- Issuing authority
- BOM
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: publication date is recent, but current status is not stored on this page. Check the issuing agency's live warning service before acting because warnings can be updated, narrowed, or cancelled.
Alert Details
Final Flood Warning (type: flood_warning, warning_id: IDS20364) issued by the Australian Government Bureau of Meteorology (BOM) at 10:57 am ACST on Monday 10 August 2026. This is warning number 3 with high severity and major warning group type. The warning expires at 2026-08-11T04:27:00Z.
Affected Areas
Onkaparinga River at Oakbank, Onkaparinga River at Woodside and Upper Onkaparinga River above Verdun in South Australia (SA). Specific locations include Onkaparinga River at Charleston, Western Branch Creek at Tiers Road, Lenswood Creek at Swamp Road, Onkaparinga River at Verdun, Aldgate Creek at Aldgate (Euston Rd), Onkaparinga River at Houlgraves, Onkaparinga River at Clarendon Weir and Onkaparinga River at Old Noarlunga.
What You Should Do
Don't drive, walk, swim or play in floodwater. Stay away from flooded drains, rivers, streams and waterways. Obey road closure signs. Plan ahead so you don't drive on flooded roads. Check the ABC and local media for updates. For local emergency management warnings visit www.ses.sa.gov.au/incidents-and-warnings/incidents-and-warnings-map/. For emergency assistance call SES on 132 500. In life-threatening emergencies, call 000.
Expected Conditions
Minor flooding at Woodside and Oakbank has eased. The Onkaparinga River at Woodside peaked at 2.33 m around 06:30 pm Sunday and is currently at 0.67 m falling. The Onkaparinga River at Oakbank peaked at 1.66 m around 08:00 pm Sunday and is currently at 0.79 m falling. All listed river heights are falling or steady with no further flooding expected.
Timeline
Issued 2026-08-10T01:27:00Z (10:57 am ACST Monday 10 August 2026). This is a final warning with no further warnings to be issued for this event. Expiry listed as 2026-08-11T04:27:00Z.
Original source: BOM Official Notice ↗
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