Moderate Flood Warning Issued for Mary River Catchment in Southeast Queensland

Alert Details

The Australian Government Bureau of Meteorology (BOM) has issued an Initial Moderate Flood Warning (IDQ20790) for the Mary River. The alert was issued at 3:46 pm AEST on Saturday, 7 March 2026, following moderate rainfall across the catchment and forecasts for heavier falls through the remainder of the weekend.

Affected Areas

This warning specifically impacts the Mary River catchment in Queensland, including:

• Mary River to Gympie: Dagun Pocket and Gympie
• Mary River downstream of Gympie: Miva, Tiaro, and Maryborough (Portside Alert)
• Six Mile Creek: Expected river level rises

What You Should Do

Emergency authorities advise residents and travelers to exercise extreme caution. Do not drive, walk, swim, or play in floodwaters. Residents should monitor local conditions closely and stay updated as the situation evolves. A broader Flood Watch remains current for most of Queensland, and a Severe Weather Warning for heavy rainfall is active for large parts of the southeast.

Expected Conditions

Heavy rainfall is forecast for the remainder of the weekend and into early next week. Specific river level projections include:

• Gympie: May exceed the minor flood level (6.00 m) Sunday evening and reach the moderate flood level (12.00 m) Monday morning.
• Dagun Pocket: May exceed the minor flood level (7.00 m) overnight Sunday and reach the moderate flood level (13.00 m) Monday afternoon.
• Miva: May exceed the minor flood level (7.50 m) overnight Sunday and reach the moderate flood level (9.50 m) Monday afternoon.
• Tiaro: May exceed the minor flood level (6.00 m) overnight Sunday and reach the moderate flood level (8.00 m) Monday morning.
• Maryborough: May exceed the minor flood level (5.00 m) Monday afternoon.

Timeline

The alert is effective immediately, with minor flooding expected to develop from Sunday night onwards. Moderate flood levels are anticipated to begin Monday morning, 9 March 2026, and continue through the afternoon. The situation is being closely monitored by the BOM.