Flood Alert Issued for Chertsey Bourne Affecting Surrey and Berkshire Counties

Source: Environment Agency · Surrey and Berkshire

This alert is no longer in effect.

Environment Agency issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this Environment Agency flood warning directly from Environment Agency's official public data feed. See our methodology for full source attribution and refresh cadence.

The Environment Agency has issued a flood alert for the Chertsey Bourne, warning that high river levels may cause flooding of low-lying land and roads through March 6.

Read this weather record in 30 seconds

Record type
Flood Alert
Affected area
Surrey and Berkshire
Issued
April 6, 2026
Issuing authority
Environment Agency

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Surrey and Berkshire.

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.

Original source: Environment Agency Official Notice ↗

All Flood Warnings →

Frequently Asked Questions

Common questions about this Environment Agency flood warning.

What is this Environment Agency flood warning about?
The Environment Agency has issued a flood alert for the Chertsey Bourne, warning that high river levels may cause flooding of low-lying land and roads through March 6.
Which agency issued this alert?
This alert was issued by Environment Agency. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "medium" severity. Stay informed and follow agency guidance.
What area is affected?
This alert affects Surrey and Berkshire. Check with Environment Agency for the most current geographic scope.
Where can I find more Flood Warnings updates?
Browse the full Flood Warnings feed on Areazine at areazine.com/uk/floods/ for the latest updates from Environment Agency and other agencies.