Flood Alert Issued for Chertsey Bourne: Surrey and Berkshire Residents Advised to Prepare

Alert Details

The Environment Agency has issued a flood alert for the Chertsey Bourne area. This alert was officially raised at 5:24 PM on March 12, 2026, due to persistently high river levels on the Chertsey Bourne and The Moat.

Affected Areas

The geographic scope of this alert includes the following regions and counties:

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

What You Should Do

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

• Avoid using low-lying footpaths near watercourses.
• Stay away from bridges located near local rivers or streams.
• Monitor current river levels online through official Environment Agency updates.

Expected Conditions

River levels remain high on the Chertsey Bourne. Flooding of low-lying land and roads is expected to continue today, March 12, 2026. Local forecasts indicate that showers are expected both today and tomorrow, which will likely contribute to sustained high water levels.

Timeline

The alert is currently in effect. The Environment Agency expects river levels to remain high over the next few days. This message is scheduled to be updated by 8:00 PM on March 13, 2026, or sooner if the situation changes.