A Flood Alert was issued for Plymouth Sound, Wembury Bay and tidal estuaries in Cornwall, Devon, Plymouth on 27th October 2026. Affected watercourses included the South Cornwall Coast.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Erme at Ermington rose 0.49m, peaking at 0.94m, while the River Yealm at Puslinch climbed 0.44m.
Environment Agency advice issued
There is no longer a threat of flooding, though standing water and debris may still remain. 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 |
|---|---|---|---|
| Ermington | River Erme | +0.49m | 0.94m |
| Puslinch | River Yealm | +0.44m | 0.93m |
| Ludbrook | River Tavy | +0.41m | 0.98m |
| Plympton | Long Brook | +0.40m | 0.61m |
| Carnwood | River Plym | +0.34m | 0.84m |
| Cornwood | River Yealm | +0.27m | 0.56m |
| Newnham Park | Tory Brook | +0.16m | 0.59m |