Minor Flood Warning for Bunyip River, Bunyip River at Iona and Bunyip River at Cora Lynn
Issued Today
(04 Oct 2026 10:21 AM)
Expires In 12 hours
Details
Minor flooding is occurring along the Bunyip River.
The Bunyip River at Iona is currently at 2.28 m and approaching the second peak, with minor flooding. The Bunyip River at Iona is likely to fall below the minor flood level (2.10 m) Sunday afternoon.
The Bunyip River at Cora Lynn is currently at 3.70 m and approaching the second peak, with minor flooding. The Bunyip River at Cora Lynn is likely to remain above 3.80 m overnight Sunday into Monday, with minor flooding.
Affected Areas
Bunyip Catchment
IDV36330
Australian Government Bureau of Meteorology
Minor Flood Warning for the Bunyip River
Issued at 10:51 am Australian Eastern Daylight Time on Sunday 4 October 2026
Flood Warning Number: 4
RENEWED MINOR FLOODING OCCURRING AT IONA AND CORA LYNN
Significant rainfall across the Bunyip River catchment since Thursday morning has caused
elevated river levels along the Bunyip River and its tributaries. Renewed minor flooding
is occurring at Iona and Cora Lynn.
Bunyip River:
Minor flooding is occurring along the Bunyip River.
The Bunyip River at Iona is currently at 2.28 m and approaching the second peak, with
minor flooding. The Bunyip River at Iona is likely to fall below the minor flood level
(2.10 m) Sunday afternoon.
The Bunyip River at Cora Lynn is currently at 3.70 m and approaching the second peak, with
minor flooding. The Bunyip River at Cora Lynn is likely to remain above 3.80 m overnight
Sunday into Monday, with minor flooding.
Safety Advice:
* Don't drive, walk, swim or play in floodwater because it is dangerous.
* 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. The situation can change quickly, so stay
informed.
* For local emergency management warnings and advice visit www.emergency.vic.gov.au.
For emergency assistance call SES on telephone number 132 500. In life-threatening
emergencies, call 000 (triple zero) immediately.
Next issue:
The next warning will be issued by 11:00 AM AEDT on Monday 05 October 2026.
Latest River Heights:
Location River Height Tendency Time of Observation
Cardinia Creek at Cardinia 0.97 m Steady 10:30 am Sun 04/10/26
Grumscrub Creek at Officer (Princess 1.19 m Falling 10:30 am Sun 04/10/26
Highway)
Toomuc Creek at Pakenham 0.77 m Falling 10:30 am Sun 04/10/26
Deep Creek at Pakenham (Princess Highway) 0.86 m Steady 10:30 am Sun 04/10/26
Kennedy Creek at Pakenham (Kennedy Road) 0.67 m Steady 10:30 am Sun 04/10/26
Tarago River at Neerim South 1.03 m Steady 10:30 am Sun 04/10/26
Tarago River at Drouin West 0.87 m Steady 10:30 am Sun 04/10/26
Bunyip River at Tonimbuk (DS Headworks) 0.34 m Steady 10:30 am Sun 04/10/26
Bunyip River at Tonimbuk 1.90 m Steady 10:30 am Sun 04/10/26
Bunyip River at Longwarry North 2.33 m Steady 10:30 am Sun 04/10/26
Bunyip River at Iona 2.24 m Steady 10:30 am Sun 04/10/26
Bunyip River at Cora Lynn 3.69 m Steady 10:30 am Sun 04/10/26
Bunyip River at Koo Wee Rup 2.98 m Rising 10:30 am Sun 04/10/26
Lang Lang River at Yannathan (Hamiltons 1.50 m Steady 10:30 am Sun 04/10/26
Bridge)
This advice is also available by dialling 1300 659 219. Warning, rainfall and river
information are available at http://www.bom.gov.au/australia/flood.