A Flood Alert was issued for South Cornwall coast from Lizard Point to Gribbin Head excluding the Tidal Fal Estuary in Cornwall on 31st August 2026. Affected watercourses included the South Cornwall Coast.
During this event, FloodRadar monitoring gauges recorded notable rises. The South Cornwall Coast at Truro Harbour rose 3.06m, peaking at 2.59m, while the River Fowey at Restormel climbed 0.29m.
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 |
|---|---|---|---|
| Truro Harbour | South Cornwall Coast | +3.06m | 2.59m |
| Restormel | River Fowey | +0.29m | 0.30m |
| Molingey | St Austell River | +0.12m | 0.72m |
| Mevagissey | Mevagissey Stream | +0.08m | 0.21m |
| Luxulyan | Par River | +0.07m | 0.27m |
| Pentewan | St Austell River | +0.05m | 1.23m |
| Bodmin St Petrocs Well | Bodmin Town Leat | +0.05m | 0.08m |