Flood Alert Issued for River Thames at Trowlock Island in Richmond upon Thames
This alert is no longer in effect.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 at Trowlock Island as high tides and upstream flows threaten low-lying land and roads through February 17.
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- Record type
- Flood Alert
- Affected area
- Greater London, Richmond upon Thames
- 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, Richmond upon Thames.
Alert Details
The Environment Agency has issued a flood alert for the River Thames at Trowlock Island. This alert, classified as severity level 3, indicates that flooding is possible in the area due to a combination of high tides and significant river flows coming from upstream.
Affected Areas
The alert specifically covers low-lying land and roads in the Trowlock Island area of the River Thames. This region is located within the London Borough of Richmond upon Thames in Greater London.
What You Should Do
Residents and visitors are advised to take care and avoid walking, cycling, or driving through flood water. The Environment Agency recommends monitoring current river levels online for the most up-to-date information as conditions evolve.
Expected Conditions
High tides are expected to reach significant levels over the next two days. The forecast includes specific tide peaks:
- February 16 at 2:15 PM: Tide reaching approximately 5.29m.
- February 17 at 3:00 AM: Tide reaching approximately 5.19m.
- February 17 at 3:15 PM: Tide reaching approximately 5.32m.
Additionally, light rainfall is forecast for the next 48 hours, which is expected to keep river levels high for several days.
Timeline
The alert was officially raised on the morning of February 16, 2026. The current warning message remains active through the high tide cycles on February 16 and 17. An update from the Environment Agency is expected by 8:00 PM on February 17, 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.