Flood Alert Issued for Chertsey Bourne Affecting Surrey and Surrounding Counties

Alert Details

The Environment Agency has issued a flood alert for the Chertsey Bourne area. This level 3 severity alert was officially raised on February 16, 2026, due to rising river levels in the Thames region.

Affected Areas

The alert covers the Chertsey Bourne, The Moat, and Moat river systems. The geographic scope includes Bracknell Forest, Surrey, and Windsor and Maidenhead. Specific flooding is expected on low-lying ground and roads, with particular emphasis on the Free Prae Road area. Additionally, a more severe Flood Warning is currently in force for areas of Chertsey situated closest to the Chertsey Bourne.

What You Should Do

Residents are advised to avoid using low-lying roads near rivers, as these areas are likely to be flooded. It is critical to stay away from flood water, which may contain hidden dangers. The Environment Agency is currently monitoring the situation and is in liaison with local authorities and emergency services.

Expected Conditions

High river levels are expected to persist today. While only light rainfall is forecast over the next 48 hours, the Environment Agency expects river levels to remain high and highly responsive to any further rainfall over the coming days.

Timeline

The alert was issued on February 16, 2026. High levels are expected to continue for at least the next 48 hours. This message is scheduled to be updated by 8:00 PM on February 17, 2026, or sooner if the situation changes.