Flood Alert Issued for Chertsey Bourne in Surrey and Berkshire Regions

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This alert is no longer in effect.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 area, warning of high river levels and potential flooding of low-lying land and roads on February 25, 2026.

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 for the Chertsey Bourne. The alert was officially raised at 09:29 AM on February 25, 2026, following reports of high river levels that may lead to flooding in the Thames area.

Affected Areas

The geographic scope of this alert includes Bracknell Forest, Surrey, and Windsor and Maidenhead. Specific areas of concern include low-lying land and roads near the Chertsey Bourne and The Moat, with particular emphasis on areas of Chertsey close to the River Bourne.

What You Should Do

Residents are advised to avoid using low-lying footpaths and any bridges near local watercourses. The Environment Agency recommends that the public monitors river levels online for the most current updates. Local authorities and emergency services are currently being liaised with to manage the situation.

Expected Conditions

River levels are currently high but are slowly falling on parts of the Chertsey Bourne. Flooding of low-lying land and roads is expected to continue throughout today, February 25, 2026. While river levels remain high, very little rainfall is forecast over the next few days, which is expected to allow levels to continue their slow decline.

Timeline

The alert is effective as of February 25, 2026. Officials expect river levels to remain high but continue falling over the next several days. This message is scheduled to be updated by 20:00 on February 26, 2026, or sooner if the situation changes.

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 area, warning of high river levels and potential flooding of low-lying land and roads on February 25, 2026.
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.