Flood Alert Issued for Thames Riverside from Putney Bridge to Teddington Weir
This alert is no longer in effect.
Environment Agency issued it on April 18, 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 Tidal Thames riverside areas in South London, with possible flooding from 3:15 pm to 5:15 pm on April 18, 2026, due to high tides.
Read this weather record in 30 seconds
- Record type
- Flood Alert
- Affected area
- South London and Thames Area
- Issued
- April 18, 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 South London and Thames Area.
Alert Details
The Environment Agency has issued a Flood Alert (severity level 3) for the affected areas. This alert is effective for the time window when flooding is possible from 3:15 pm to 5:15 pm on 18/04/2026.
Affected Areas
The alert covers the Tidal Thames riverside from Putney Bridge to Teddington Weir, including counties such as Greater London, Hammersmith and Fulham, Hounslow, Richmond upon Thames, and Wandsworth. Specific locations include Putney Embankment (SW15), Chiswick Mall and Strand on the Green (W4), Thames Bank at Mortlake (SW14), Ranelagh Drive (TW1), Friars Lane and Water Lane (TW9), Riverside and The Embankment at Twickenham, and the Towpath below Teddington Lock.
What You Should Do
Take care and avoid walking, cycling or driving through flood water.
Expected Conditions
High tides today may lead to flooding. The forecast high tide at Richmond is 4.69 mAOD at 4:15 pm on 18/04/2024. Astronomical tide levels are rising, and the river flow at Teddington Weir is 46 cubic metres per second and is steady.
Timeline
The alert was raised on 2026-04-18T09:01:42 and the message was last changed on 2026-04-18T09:01:00. Flooding is possible from 3:15 pm to 5:15 pm on 18/04/2026. This message will be updated by 9:00 PM on 18 April 2026 or as the situation changes.
Original source: Environment Agency Official Notice ↗
Related Flood Warnings
All Flood Warnings →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this Environment Agency flood warning: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,305 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to April 18, 2026.
Frequently Asked Questions
Common questions about this Environment Agency flood warning.