A Flood Alert was issued for South Cornwall Coast from Lands End to Lizard Point in Cornwall on 29th September 2026. Affected watercourses included the South Cornwall Coast.
During this event, FloodRadar monitoring gauges recorded notable rises. The River Stennack at St Ives Consols Farm rose 0.09m, peaking at 0.10m, while the River Hayle at St Erth climbed 0.07m.
Environment Agency advice issued
High tides and forecast weather conditions this evening may lead to flooding. Flooding is possible 2 hours either side of the high tide on 29/09/2026 Locations most affected will be coastal roads and footpaths. Areas particularly at risk include Mousehole, Newlyn, Penzance, Longrock, Marazion, Praa Sands and Porthleven harbour. The high tide at Newlyn on Tuesday is at 19:09, times of high water will vary along the coast. Forecast total high tide level is 3.11 mAOD. Expect tide levels along the coast to be between 0.42 and 0.47 metres above tide table level. Near gale Force 7 southerly winds
Monitoring gauges during this event
| Station | River | Rise | Peak |
|---|---|---|---|
| St Ives Consols Farm | River Stennack | +0.09m | 0.10m |
| St Erth | River Hayle | +0.07m | 0.23m |