Flood Alert Issued for Plymouth Sound and South Cornwall Coast Estuaries
This alert is no longer in effect.
Environment Agency issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this Environment Agency flood warning directly from Environment Agency's official public data feed. See our methodology for full source attribution and refresh cadence.
The Environment Agency has issued a flood alert for Plymouth Sound, Wembury Bay, and surrounding tidal estuaries due to high tides and strong winds expected Thursday morning.
Read this weather record in 30 seconds
- Record type
- Flood Alert
- Affected area
- South Cornwall Coast
- Issued
- April 6, 2026
- Issuing authority
- Environment Agency
Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in South Cornwall Coast.
Alert Details
The Environment Agency has issued a flood alert for Plymouth Sound, Wembury Bay, and tidal estuaries along the South Cornwall Coast. This alert, designated as severity level 3, was issued on February 18, 2026, in response to a combination of high tides and hazardous coastal conditions.
Affected Areas
The alert covers exposed coastal areas of Plymouth Sound and low-lying regions on the Tidal Lynher, Tamar, Tavy, Plym, and Yealm estuaries. The geographic scope includes Cornwall, Devon, and Plymouth.
What You Should Do
Residents and visitors are advised to take care and avoid walking, cycling, or driving through flood water. The Environment Agency is closely monitoring the situation as conditions develop.
Expected Conditions
High tides, strong winds, and large waves are forecast for the region. The total high tide level is expected to reach 2.66mAOD, which is approximately 0.2 to 0.3 metres above the standard tide table level. Meteorological forecasts indicate strong Force 4 North Westerly winds and offshore wave heights reaching up to 3 metres.
Timeline
The alert is specifically focused on the high tide occurring Thursday morning, February 19, 2026. In Plymouth, the high tide is scheduled for 06:57 AM, with times varying elsewhere along the coast. Conditions are expected to ease by the Thursday evening high tide. This message is scheduled for an update by 3:00 PM on February 19, 2026, or sooner if the situation changes.
Original source: Environment Agency Official Notice ↗
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Common questions about this Environment Agency flood warning.