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

Alert Details

The Environment Agency has issued a flood alert for the Tidal Thames riverside, specifically the stretch from Putney Bridge to Teddington Weir. This alert indicates that flooding is possible due to high tide levels. The alert is managed by the Kent, South London and East Sussex agency area.

Affected Areas

The geographic scope of this alert includes Greater London, Hammersmith and Fulham, Hounslow, Richmond upon Thames, and Wandsworth. Specific locations identified as being at risk include:

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

What You Should Do

Residents and commuters are advised to take care and avoid walking, cycling, or driving through flood water. While the Environment Agency does not currently expect flooding of properties, the situation continues to be monitored closely.

Expected Conditions

High tides are expected to lead to localized flooding. The forecast high tide at Richmond is 4.64 mAOD. Current data shows the river flow at Teddington Weir is 140 cubic metres per second and falling. Astronomical tide levels are also falling, and flows are anticipated to decrease slowly over the next few days.

Timeline

The flood alert is effective today, March 5, 2026, with flooding possible between 3:15 PM and 5:15 PM. The peak tide at Richmond is expected at 4:15 PM. The Environment Agency will provide an update by 6:00 PM on March 5, 2026, or sooner if the situation changes.