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 between 27th and 29th October 2026. Affected watercourses included the River Thames.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Thames at Thames Ditton Island rose 0.55m, peaking at 4.83m, while the River Thames at Kingston climbed 0.45m.
Environment Agency advice issued
There is no longer a threat of flooding. Tidal conditions are expected to improve and no flooding is expected. We will continue to monitor the situation and will issue further alerts or warnings if necessary. Continue to take care on waterside roads and footpaths and don't put yourself in unnecessary danger.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Thames Ditton Island | River Thames | +0.55m | 4.83m |
| Kingston | River Thames | +0.45m | 4.77m |
| Teddington Lock | River Thames | +0.35m | 0.30m |
| Molesey Lock | River Thames | +0.31m | 0.30m |
| Trowlock Island | River Thames | +0.27m | 4.74m |
| Sunbury Lock | River Thames | +0.26m | 0.36m |
| Staines | River Thames | +0.25m | 2.79m |
| Penton Hook | River Thames | +0.24m | 0.27m |
| Shepperton Lock | River Thames | +0.21m | 0.28m |
| Walton | River Thames | +0.12m | 3.45m |