Flood Alert Issued for Tidal Thames Riverside from Putney Bridge to Teddington Weir

Alert Details

The Environment Agency has issued a flood alert (Severity Level 3) for the Tidal Thames riverside. The alert was triggered by a combination of high astronomical tides and increased river flows from upstream.

Affected Areas

The alert covers the Tidal Thames riverside from Putney Bridge to Teddington Weir. Specific locations identified as having a possibility of flooding include:

• Putney: Putney Embankment (SW15)
• Chiswick & Riverside: Chiswick Mall and Strand on the Green (W4)
• Mortlake: Thames Bank (SW14)
• Richmond: Ranelagh Drive (TW1), Friars Lane, and Water Lane (TW9)
• Twickenham: Riverside and The Embankment
• Teddington: The Towpath below Teddington Lock

Impacted counties and boroughs include Greater London, Hammersmith and Fulham, Hounslow, Richmond upon Thames, and Wandsworth.

What You Should Do

Residents and visitors in the affected areas are advised to take care and avoid walking, cycling, or driving through flood water. While the Environment Agency noted that flooding of properties is not currently expected, the situation is being closely monitored.

Expected Conditions

Flooding is possible due to rising astronomical tide levels and upstream river flows. The forecast high tide at Richmond is expected to reach 4.65 mAOD. At Teddington Weir, the river flow is currently measured at 270 cubic metres per second and is rising slowly. Officials anticipate that these flows will continue to rise for the next 24 hours.

Timeline

The alert is specifically focused on the window between 12:45 PM and 2:45 PM on February 16, 2026. The peak high tide at Richmond is forecast for 1:45 PM. The Environment Agency will provide an update on the situation by 5:00 PM on February 16, 2026, or sooner if conditions change.