A Flood Alert was issued for South Cornwall coast from Lizard Point to Gribbin Head excluding the Tidal Fal Estuary in Cornwall on 29th September 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 3.16m, peaking at 2.68m, while the Par River at Luxulyan climbed 0.23m.
Environment Agency advice issued
High tides this evening may lead to flooding. Flooding is possible 2 hours either side of high tide on Tuesday evening (today) at 19:33. 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. The high tide at Falmouth on Tuesday is at 19:33, times of high water will vary along the coast. Forecast total high tide level is 2.68mAOD. Expect tide levels along the coast to be between 0.42 and 0.47 metres above
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Truro Harbour | South Cornwall Coast | +3.16m | 2.68m |
| Luxulyan | Par River | +0.23m | 0.42m |
| Ponts Vale | Par River | +0.21m | 0.35m |
| Molingey | St Austell River | +0.18m | 0.79m |
| Restormel | River Fowey | +0.13m | 0.37m |
| Pentewan | St Austell River | +0.07m | 1.24m |