Moderate Flood Warning Issued for Mary River Catchment; Gympie and Tiaro Face Rising Waters

Alert Details

The Australian Government Bureau of Meteorology (BOM) has issued a Moderate Flood Warning (IDQ20790) for the Mary River catchment. This warning is an update to previous alerts and indicates that moderate flooding is possible across several key locations in the region. A Flood Watch remains current for most of Queensland, alongside a Severe Weather Warning for heavy rainfall in southeast Queensland.

Affected Areas

The warning covers the Mary River catchment, specifically impacting the following locations:

• Mary River: Dagun Pocket, Gympie, Miva, Tiaro, and Maryborough (Portside Alert).
• Creeks: Six Mile Creek and Tinana Creek.
• Downstream Regions: Mary River downstream of Gympie.

What You Should Do

Residents in the affected areas are advised to exercise extreme caution. The Bureau of Meteorology provides the following safety advice: Do not drive, walk, swim, or play in floodwater because it is dangerous. Stay informed by monitoring updated warnings as the situation develops.

Expected Conditions

Moderate rainfall has been observed across the catchment since Friday evening, with heavy falls forecast for the remainder of Sunday and into Monday.

Specific River Level Forecasts:

• Gympie: Currently at 1.06 m and rising. Expected to exceed the minor flood level (6.00 m) Sunday evening and potentially reach the moderate flood level (12.00 m) Monday afternoon.
• Dagun Pocket: Expected to exceed the minor flood level (7.00 m) overnight Sunday and reach the moderate flood level (13.00 m) Monday afternoon.
• Miva: Currently at 3.23 m and rising. Expected to exceed the minor flood level (7.50 m) overnight Sunday and reach the moderate flood level (9.50 m) Monday morning.
• Tiaro: Currently at 4.19 m. Expected to exceed the minor flood level (6.00 m) Sunday evening and reach the moderate flood level (8.00 m) Monday morning.
• Maryborough: Currently at 2.65 m and rising. Expected to exceed the minor flood level (5.00 m) from overnight Monday into Tuesday.

Timeline

The warning was issued at 11:30 am AEST on Sunday, March 8, 2026. Minor flooding is expected to begin at various points Sunday evening, with moderate flood levels anticipated to peak between Monday morning and Monday afternoon. Conditions in Maryborough are expected to reach minor flood levels by overnight Monday into Tuesday.