Flood Alert Issued for Chertsey Bourne: Heavy Rain Expected in Surrey and Berkshire Regions

Alert Details

The Environment Agency has issued a flood alert for the Chertsey Bourne. This alert was raised on February 15, 2026, at 4:33 PM following rising river levels. A more severe Flood Warning is currently in force for areas of Chertsey situated closest to the Chertsey Bourne.

Affected Areas

The alert covers several regions including:

• Counties: Surrey, Bracknell Forest, and Windsor and Maidenhead.
• Specific Waterways: Chertsey Bourne, The Moat, and Moat within the Thames area.
• Specific Locations: Flooding is particularly expected in the Free Prae Road area and other low-lying ground and roads near the river.

What You Should Do

Residents and travelers in the affected areas are advised to take the following precautions:

• Avoid using low-lying roads near rivers, as these are likely to be flooded.
• Stay away from flood water, which may contain hidden dangers.
• Monitor local weather reports and updates from the Environment Agency.

Expected Conditions

High river levels are currently being observed and are expected to remain high for the next few days. Heavy rain is forecast for this afternoon and evening, February 15. Because the ground and river systems are already responsive, further rainfall is expected to maintain or increase water levels. The Environment Agency is currently monitoring the situation and liaising with local authorities and emergency services.

Timeline

The alert is effective immediately and is expected to remain in place through February 16, 2026. Officials have stated that this message will be updated by 8:00 PM on February 16, 2026, or sooner if the situation changes significantly.