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River Levels

Plymouth Sound, Wembury Bay and tidal estuaries

Message issued at 11:42am, Tuesday 29th September 2026

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

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Flooding possible. Be prepared.

Flood alert

High tides and forecast weather conditions over the next two days may lead to flooding. 
Flooding is possible 2 hours either side of high tide today, Tuesday evening and tomorrow, Wednesday morning. 
Areas particularly at risk including Cawsand, Kingsand, The Hoe, Millbrook, and low lying areas on the Tidal Lynher, Tamar, Tavy, Plym and Yealm estuaries.

The forecast total high tide at Plymouth on Tuesday is 2.85m at 20:22 and on Wednesday the forecast total high tide is 2.66m at 08:40. Times of high water will vary along the coast. Expect tide levels along the coast to be between 0.42 and 0.47 metres above tide table level. A strong, force 6, southeast to southerly wind and offshore wave heights of over 2m are forecast. Locations most affected will be coastal roads and footpaths. 
We are closely monitoring the situation . 
Take care and avoid walking, cycling or driving through flood water . 
This message will be updated by 12:00PM on 30 September 2026 or as the situation changes.

Information supplied by the Environment Agency

Message issued at 11:42am, Tuesday 29th September 2026.

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Most recent flood warnings and alerts for Plymouth Sound, Wembury Bay and tidal estuaries

Flood Warning Area Details

Plymouth Sound including Cawsand, Kingsand, Millbrook, The Hoe, and the Tidal Lynher, Tamar, Tavy, Plym and Yealm estuaries

Region: Devon and Cornwall

Country: England

Counties covered: Cornwall, Devon, Plymouth

Watercourses covered: South Cornwall Coast

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for Plymouth Sound, Wembury Bay and tidal estuaries.

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

Plymouth Sound, Wembury Bay and tidal estuaries
Plymouth Sound including Cawsand, Kingsand, Millbrook, The Hoe, and the Tidal Lynher, Tamar, Tavy, Plym and Yealm estuaries

No current or recent warnings.

River Plym at Marsh Mills
River Plym at Marsh Mills including Coypool, Marsh Mills Retail Park, Sewage Treatment Works, Sainsburys, Sports Ground, the A38 and the Railway Line

No current or recent warnings.

Long Brook (Plympton) at Plympton
Long Brook (Plympton) at Plympton including St Maurice Road, Dark Street Lane, Priory Mill, Market Road, Linketty Lane and Plympton Sewage Treatment Works

No current or recent warnings.

Plymouth Barbican
Plymouth Barbican including Sutton Harbour, Southside Street, Breton Street, Vauxhall Street, Sutton Road, Lockyers Quay and Tin Lane

No current or recent warnings.

Tory Brook from Newnham Park to Long Bridge
Tory Brook from Newnham Park to Long Bridge including Newnham Rd, Glen Rd, Plympton St Mary Bridge, Valley Rd and Plympton Sewage Treatment Works

No current or recent warnings.

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