A Flood Alert was issued for Tidal Thames riverside from Putney Bridge to Teddington Weir in Greater London, Hammersmith and Fulham, Hounslow, Richmond upon Thames, Wandsworth on 9th October 2026. Affected watercourses included the River Thames.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Thames at Staines rose 0.15m, peaking at 2.74m, while the River Thames at Penton Hook climbed 0.15m.
Environment Agency advice issued
High tides overnight may lead to flooding. Flooding is possible from 02:15 AM to 04:15 AM on Saturday 10th October. The forecast high tide at Richmond is 4.70 mAOD at 03:15 AM on 10/10/2026. 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 rising. The river flow at Teddington Weir is 4
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Staines | River Thames | +0.15m | 2.74m |
| Penton Hook | River Thames | +0.15m | 0.24m |
| Kingston | River Thames | +0.15m | 4.41m |
| Thames Ditton Island | River Thames | +0.12m | 4.36m |
| Teddington Lock | River Thames | +0.12m | 0.02m |
| Molesey Lock | River Thames | +0.11m | 0.19m |
| Sunbury Lock | River Thames | +0.09m | 0.30m |
| Shepperton Lock | River Thames | +0.08m | 0.17m |