Flood Alert Issued for River Thames from Datchet to Shepperton Green
This alert is no longer in effect.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 River Thames, warning of high water levels and potential flooding in Slough, Surrey, and Windsor through February 17, 2026.
Read this weather record in 30 seconds
- Record type
- Flood Alert
- Affected area
- Thames Region (Surrey, Slough, 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 Thames Region (Surrey, Slough, Windsor and Maidenhead).
Alert Details
The Environment Agency has issued a flood alert for the River Thames from Datchet to Shepperton Green. This alert was officially raised on February 16, 2026, in response to high river levels that may lead to flooding in the region.
Affected Areas
The geographic scope of this alert includes the River Thames corridor between Datchet and Shepperton Green. Affected local authorities include Slough, Surrey, and Windsor and Maidenhead. Specific areas identified as being at risk for flooding of low-lying land and roads include:
- Penton Hook
- Old Windsor
- Runnymede
- Chertsey
What You Should Do
Residents and visitors in the warning area are advised to take the following safety measures:
- Avoid walking, cycling, or driving through flood water.
- Avoid using low-lying footpaths near the river.
- Stay away from bridges located near local watercourses.
- Monitor local conditions as river levels remain high.
Expected Conditions
High river levels are expected to cause flooding of roads and low-lying land over the coming days. The Environment Agency reports that further light rainfall is forecast over the next 48 hours. River levels are expected to remain high and will be responsive to any additional precipitation during this period. Agency officials are currently monitoring the situation closely.
Timeline
The flood alert is effective as of February 16, 2026, and conditions are expected to persist into February 17, 2026. The Environment Agency has stated that this message will be updated by 8:00 PM on February 17, 2026, or earlier if the situation changes.
Original source: Environment Agency Official Notice ↗
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Common questions about this Environment Agency flood warning.