Flood Alert Issued for Tidal Thames Riverside Areas
This alert is no longer in effect.
Environment Agency issued it on May 18, 2026, 3 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 Tidal Thames riverside from Putney Bridge to Teddington Weir due to high river levels from spring tides.
Read this weather record in 30 seconds
- Record type
- Flood Alert
- Affected area
- Greater London
- Issued
- May 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 3 months ago; use the issuing agency's live warning service for current conditions in Greater London.
Alert Details
Flood alert issued by the Environment Agency. Severity: Flood alert (level 3). Alert raised at 08:01 on 18/05/2026.
Affected Areas
Tidal Thames riverside from Putney Bridge to Teddington Weir, including parts of Greater London, Hammersmith and Fulham, Hounslow, Richmond upon Thames, and Wandsworth.
What You Should Do
Residents should monitor local conditions for brief low-level flooding of riverside roads and open spaces.
Expected Conditions
River levels are expected to be high as a result of spring tides. The next high tide at Richmond is at 16:45 on 18/05/2026 and may result in brief low-level flooding. Astronomical tide levels are rising. River flow at Teddington Weir is 20 cubic metres per second and steady.
Timeline
Alert effective from 08:01 on 18/05/2026. Flows anticipated to remain low for the next five days.
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 (866 characters here).
Similar severity timing
Same severity (medium) notices issued closest in time to May 18, 2026.
Frequently Asked Questions
Common questions about this Environment Agency flood warning.