Flood alert: Tidal Thames riverside from Putney Bridge to Teddington Weir

Details

High tides overnight may lead to flooding. 
Flooding is possible from 03:00am to 05:00am on 20/04/2026. 
The forecast high tide at Richmond is 4.65 mAOD at 04:00 AM on 20/04/2026.

We believe there is a possibility of flooding for 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, and the Towpath below Teddington Lock. Flooding of properties is not expected.

Astronomical tide levels are peaking. The river flow at Teddington Weir is 33 cubic metres per second and is steady. We anticipate the flows to remain steady for the next few days. 
We are closely monitoring the situation . 
Take care and avoid walking, cycling or driving through flood water . 
This message will be updated by 8:00AM on 20 April 2026 or as the situation changes.