Flood Alert Issued for Chertsey Bourne in Surrey, Bracknell Forest, and Windsor

Source: Environment Agency · Surrey and Windsor and Maidenhead

This alert is no longer in effect.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 through March 8.

Read this weather record in 30 seconds

Record type
Flood Alert
Affected area
Surrey and Windsor and Maidenhead
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 Windsor and Maidenhead.

Alert Details

The Environment Agency has issued a flood alert (Severity Level 3) for the Chertsey Bourne. This alert indicates that while river levels are currently falling, they remain high, posing a continued risk of flooding to the immediate area.

Affected Areas

The alert covers the Thames area, specifically focusing on the Chertsey Bourne, The Moat, and Moat watercourses. Geographic regions and counties affected include:

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

What You Should Do

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

  • Avoid using low-lying footpaths near watercourses.
  • Do not use bridges located near local rivers or streams.
  • Monitor local river levels online for real-time updates.

Expected Conditions

Flooding of low-lying land and roads is expected to continue through Saturday, 07 March 2026. While river levels are falling, showers are forecast for both today and tomorrow. The Environment Agency expects river levels to remain high over the next several days due to the anticipated rainfall.

Timeline

The alert was officially raised at 6:22 PM on 07 March 2026. Conditions are expected to persist for the next few days. The Environment Agency will provide an update on the situation by 8:00 PM on 08 March 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 area, warning of high river levels and potential flooding of low-lying land and roads through March 8.
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 Windsor and Maidenhead. 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.