Flood Alert Issued for Chertsey Bourne Affecting Surrey and Berkshire Counties

Alert Details

The Environment Agency has issued a Flood Alert (Severity Level 3) for the Chertsey Bourne. This alert indicates that flooding is possible and residents should remain prepared as river levels remain high.

Affected Areas

The alert covers geographic regions within Bracknell Forest, Surrey, and Windsor and Maidenhead. Specific impact is expected in areas of Chertsey close to the River Bourne, as well as locations near The Moat.

What You Should Do

Residents and visitors in the affected areas are advised to avoid using low-lying footpaths and any bridges situated near local watercourses. It is recommended to monitor river levels online for the most current updates on the situation.

Expected Conditions

While river levels on the Chertsey Bourne are currently falling, they remain high. Flooding of low-lying land and roads is expected to continue throughout today, March 5, 2026. Although the forecast for today and tomorrow is expected to be dry, river levels are projected to stay high over the next several days.

Timeline

The alert was officially raised at 6:27 PM on March 5, 2026. The Environment Agency expects the high water levels to persist for the next few days. A formal update to this message is scheduled to be provided by 8:00 PM on March 6, 2026, or sooner if conditions change significantly.