A Flood Alert was issued for South Cornwall coast from Gribbin Head to Rame Head in Cornwall on 31st August 2026. Affected watercourses included the South Cornwall Coast.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Seaton at Trebrownbridge rose 0.16m, peaking at 0.28m, while the River Tiddy at Tideford climbed 0.11m.
Environment Agency advice issued
There is no longer a threat of flooding, though standing water and debris may still remain. Coastal 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. If you have been evacuated only return to your property once the emergency services have advised that it is safe to do so. Never drive through flood water, just 30cm of fast flowing water is enough to move your car.
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Trebrownbridge | River Seaton | +0.16m | 0.28m |
| Tideford | River Tiddy | +0.11m | 0.17m |
| Pillaton | River Lynher | +0.11m | 0.31m |
| Trekeivesteps | River Fowey | +0.08m | 0.33m |
| Polperro | River Pol | +0.07m | 0.14m |
| Wainsford | River Fowey | +0.07m | 0.44m |
| Trengoffe | Warleggan River | +0.06m | 0.25m |