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 12th November 2026. Affected watercourses included the River Thames.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Thames at Thames Ditton Island rose 0.17m, peaking at 4.55m, while the River Thames at Trowlock Island climbed 0.16m.
Environment Agency advice issued
High tides today may lead to flooding. Flooding is possible from 3:00 PM to 5:00 PM on 12/11/2026. The forecast high tide at Richmond is 4.74 mAOD at 4:00 PM on Thursday 12th November. Locations most affected will be 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 falling. The river flow at Teddington Weir is 5 cubic metres per second
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Thames Ditton Island | River Thames | +0.17m | 4.55m |
| Trowlock Island | River Thames | +0.16m | 4.58m |
| Kingston | River Thames | +0.13m | 4.55m |
| Molesey Lock | River Thames | +0.13m | 0.20m |
| Sunbury Lock | River Thames | +0.12m | 0.31m |
| Teddington Lock | River Thames | +0.11m | 0.15m |
| Staines | River Thames | +0.08m | 2.81m |
| Penton Hook | River Thames | +0.08m | 0.29m |
| Shepperton Lock | River Thames | +0.07m | 0.18m |