Flood Alert Issued for River Thames Between Hampton and Teddington
This alert is no longer in effect.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.
A flood alert is in effect for the River Thames from Hampton to Teddington, with high tides and upstream flows threatening low-lying land and roads through February 24.
Read this weather record in 30 seconds
- Record type
- Flood Alert
- Affected area
- Greater London and Surrey
- 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 Greater London and Surrey.
Alert Details
The Environment Agency has issued a flood alert for the River Thames. This alert, classified as severity level 3, was raised on February 23, 2026, in response to high river levels and tidal conditions.
Affected Areas
The alert covers the River Thames from Hampton and Thames Ditton to Teddington. Impacted regions include Greater London, Kingston upon Thames, Richmond upon Thames, and Surrey. Specific focus is placed on low-lying land and roads between Thames Ditton and Teddington.
What You Should Do
Residents and visitors are advised to avoid using low-lying footpaths and any bridges near local watercourses. The Environment Agency is currently monitoring rainfall and river levels while liaising with emergency services and local authorities. For the latest information, individuals should check river levels online.
Expected Conditions
Flooding is possible due to a combination of high tides and significant river flows from upstream. While very little rainfall is forecast over the next few days, river levels remain high.
- Tide 1 (Feb 23, 6:45 PM): Expected levels between 4.98m and 5.12m.
- Tide 2 (Feb 24, 6:30 AM): Expected levels between 5.03m and 5.17m.
River levels are expected to fall slowly following these tidal peaks.
Timeline
The alert is effective as of February 23, 2026. High-risk periods coincide with the high tides on the evening of February 23 and the morning of February 24. An update to this message is scheduled by 8:00 PM on February 24, 2026, or sooner if the situation changes.
Original source: Environment Agency Official Notice ↗
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Common questions about this Environment Agency flood warning.