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Flooding is possible - be prepared

Flood alert for South Cornwall coast from Lizard Point to Gribbin Head excluding the Tidal Fal Estuary

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High tides, strong winds and large waves over the next three days may lead to flooding. 

Flooding is possible over high tides from the evening of Friday 5th December to the morning of Tuesday 9th December. 

Low lying coastal roads, promenades, car parks and harbours may be flooded.

High tide at Falmouth on Friday evening is at 17:21 and on Saturday morning at 05:41, times of high water will vary along the coast. Forecast total high tide levels are 2.68mAOD and 2.62mAOD respectively. Expect tide levels along the coast to be around 0.4m above tide table level. Strong force 7 westerly winds and offshore wave heights of over 4.0m are forecast.

The high tides of most concern are from Saturday morning to Sunday morning and flood warnings are likely to be issued. 

We are closely monitoring the situation . 

Avoid coastal roads, footpaths and carparks, which may be flooded . 

This message will be updated by 2:00PM on 06 December 2025 or as the situation changes.

Flood alert area: Lizard Point to Gribbin Head including Coverack, the tidal Helford Estuary, Falmouth, St Mawes, Gorran Haven, Portmellon, Mevagissey, Pentewan and Par.

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