Flood Alert Issued for Chertsey Bourne in Surrey, Bracknell Forest, and Windsor

Alert Details

The Environment Agency has issued a flood alert (Severity Level 3) for the Chertsey Bourne. This alert indicates that while river levels are currently falling, they remain high, posing a continued risk of flooding to the immediate area.

Affected Areas

The alert covers the Thames area, specifically focusing on the Chertsey Bourne, The Moat, and Moat watercourses. Geographic regions and counties affected include:

• Surrey: Specifically areas of Chertsey close to the River Bourne.
• Bracknell Forest
• Windsor and Maidenhead

What You Should Do

Residents and visitors in the warning area are advised to take the following precautions:

• Avoid using low-lying footpaths near watercourses.
• Do not use bridges located near local rivers or streams.
• Monitor local river levels online for real-time updates.

Expected Conditions

Flooding of low-lying land and roads is expected to continue through Saturday, 07 March 2026. While river levels are falling, showers are forecast for both today and tomorrow. The Environment Agency expects river levels to remain high over the next several days due to the anticipated rainfall.

Timeline

The alert was officially raised at 6:22 PM on 07 March 2026. Conditions are expected to persist for the next few days. The Environment Agency will provide an update on the situation by 8:00 PM on 08 March 2026, or sooner if conditions change significantly.