River Levels

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River Levels

Lower River Tamar

Message issued at 12:00pm, Thursday 18th December 2025

This is an archived message. The status has changed more recently.

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Flooding possible. Be prepared.

Flood alert

Forecast high river levels may lead to flooding

Flooding is possible through 18th December to  19th December. 



Following heavy rain, further rain is forecast through Thursday

Forecast river levels may cause flooding to low lying land and roads through Thursday and Friday morning

We are closely monitoring the situation and may issue Flood Warnings if required.



Take care and avoid walking, cycling or driving through flood water.



This message will be updated by 12pm 19th December.

Information supplied by the Environment Agency

This information last updated 12:00pm, Thursday 18th December 2025.

This page is a dedicated URL for a specific message issued at a particular time. You should not bookmark this page, as the current situation may have changed since this message was issued.

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Most recent flood warnings and alerts for Lower River Tamar

Flood Warning Area Details

Gunnislake, Calstock, Cargreen, Bere Alston, Morwellham and Cotehele

Region: Devon and Cornwall

Country: England

Counties covered: Cornwall, Devon

Watercourses covered: River Tamar

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Lower River Tamar.

Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).

Other Nearby Flood Warning Locations

River Tamar from Greystone Bridge to Cotehele excluding Calstock
River Tamar from Greystone Bridge to Cotehele Quay, including Gunnislake, Morwellham Quay and Cotehele

No current or recent warnings.

River Tamar at Calstock
River Tamar at Calstock and Lower Kelly

No current or recent warnings.

River Tavy from Mary Tavy to Lopwell
River Tavy including Mary Tavy Sewage Works, Harford Bridge Holiday Park, Pitts Cleave Industrial Estate, Tavistock, A386 and property at Lopwell

No current or recent warnings.

Rivers Tavy and Walkham
Tavistock, Walkhampton, Bedford Bridge, Horrabridge and Lopwell

No current or recent warnings.

RiverLevels.uk is an independent website. It is not associated with the Environment Agency or any other supplier of river level information. All data used on this site is supplied under licence. For queries about the data, please contact the underlying supplier.

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