A Flood Alert was issued for South Cornwall Coast from Lands End to Lizard Point in Cornwall on 26th October 2026. Affected watercourses included the South Cornwall Coast.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Hayle at St Erth rose 0.09m, peaking at 0.39m, while the River Hayle at Relubbus climbed 0.09m.
Environment Agency advice issued
High tides over the next two days may lead to flooding. Flooding is possible 2 hours either side of high tide on Monday afternoon and Tuesday morning. Areas particularly at risk include Mousehole, Newlyn, Penzance, Longrock, Marazion, Praa Sands and Porthleven harbour. The high tide at Newlyn on Monday 26th October is at 16:29, and on Tuesday 27th October at 04:48. Times of high water will vary along the coast. Forecast high tide level is 3.11mAOD on Monday, and is 2.94mAOD on Tuesday. Expect tide levels along the coast to be between 0.30 and 0.40 metres above tide table level. Storm force 6 s
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| St Erth | River Hayle | +0.09m | 0.39m |
| Relubbus | River Hayle | +0.09m | 0.20m |