Flood Alert Issued for Thames Estuary Coast from Dartford to Allhallows
This alert is no longer in effect.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 Thames Estuary coast, with high tides expected to impact coastal roads and footpaths on Tuesday afternoon.
Read this weather record in 30 seconds
- Record type
- Flood Alert
- Affected area
- Kent and South London
- 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 Kent and South London.
Alert Details
The Environment Agency has issued a Flood Alert (Severity Level 3) for the Thames Estuary. This alert indicates that flooding is possible due to high tides, and residents are advised to stay informed as the situation develops.
Affected Areas
The alert covers the coastal region from Dartford to Allhallows. Specific areas and counties within the alert zone include:
- Bexley
- Greater London
- Kent
- Medway
- Kent, South London and East Sussex
What You Should Do
Residents and visitors in the affected areas should take the following precautions:
- Avoid coastal roads, footpaths, and carparks, as these locations are most likely to experience flooding.
- Monitor local weather conditions and stay updated on the status of the alert.
- The Environment Agency will provide an updated message by 8:00 AM on March 3, 2026, or sooner if conditions change significantly.
Expected Conditions
High tides on the River Thames are expected to result in potential flooding of low-lying coastal infrastructure. The forecast total peak water level at Sheerness is expected to reach 3.52 m AOD. The Environment Agency is currently monitoring the situation closely.
Timeline
The alert is effective for Tuesday, March 3, 2026.
- Flooding Window: Possible from 10:45 to 14:45.
- Peak High Tide: Expected at 12:45.
- Next Update: Scheduled for approximately 8:00 AM on March 3, 2026.
Original source: Environment Agency Official Notice ↗
Related Flood Warnings
All Flood Warnings →Frequently Asked Questions
Common questions about this Environment Agency flood warning.