Flood Alert Issued for Thames Estuary Coast from Dartford to Allhallows

Flood Warnings medium Environment Agency · · Kent and South London

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.

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.

Source: Environment Agency Official Notice