A Flood Alert was issued for South Cornwall coast from Lizard Point to Gribbin Head excluding the Tidal Fal Estuary in Cornwall on 29th 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 2.92m, peaking at 2.44m, while the River Fowey at Restormel climbed 0.27m.
Environment Agency advice issued
High tides tomorrow evening may lead to flooding. Flooding is possible 2 hours either side of high tide on Sunday evening 30th of August. High tide at Falmouth is at 19:26 Areas particularly at risk include low lying coastal communities including Cadgwith and Coverack, Porthallow, the tidal Helford Estuary, Maenporth and Swanpool, St.Mawes, East Portholland, Gorran Haven, Portmellon, Mevagissey, Pentewan and Par. Forecast total high tide level is 2.7m AOD. Expect tides to be between 300-310mm over tide table level. Expect force 6 SW winds and wave heights of over 2m. Coastal conditions shoul
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Truro Harbour | South Cornwall Coast | +2.92m | 2.44m |
| Restormel | River Fowey | +0.27m | 0.29m |
| Molingey | St Austell River | +0.13m | 0.73m |
| Luxulyan | Par River | +0.13m | 0.31m |
| Mevagissey | Mevagissey Stream | +0.09m | 0.20m |
| Ponts Vale | Par River | +0.07m | 0.18m |
| Pentewan | St Austell River | +0.06m | 1.22m |