A Flood Alert was issued for South Cornwall coast from Gribbin Head to Rame Head in Cornwall on 29th August 2026. Affected watercourses included the South Cornwall Coast.
During this event, FloodRadar monitoring gauges recorded notable rises. The Warleggan River at Trengoffe rose 0.18m, peaking at 0.39m, while the River Seaton at Trebrownbridge climbed 0.16m.
Environment Agency advice issued
High tides today may lead to flooding. Flooding is possible 2 hours either side of high tide on Saturday 29th August evening and Sunday 30th August evening. Areas particularly at risk include low lying areas including Fore Street, Town Quay, Albert Quay and Caffa Mill Car park at Fowey, Quay Street and Recreation ground at Lostwithiel, Polperro Harbour, Quay Road and The Quay at Looe and the B3247 at Seaton. The high tide at Plymouth is at 19:36 and on Sunday at 20:09, times of high water will vary along the coast. Forecast total high tide level is 2.6mAOD. Expect tide levels along the coast
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| Trengoffe | Warleggan River | +0.18m | 0.39m |
| Trebrownbridge | River Seaton | +0.16m | 0.26m |
| Trekeivesteps | River Fowey | +0.15m | 0.41m |
| Pillaton | River Lynher | +0.09m | 0.28m |
| Wainsford | River Fowey | +0.09m | 0.47m |
| Polperro | River Pol | +0.08m | 0.14m |
| Tideford | River Tiddy | +0.07m | 0.11m |
| Craigshill Wood | St Neot River | +0.07m | 0.41m |