Flood Alert Issued for River Thames at Thames Ditton Island

Alert Details

The Environment Agency has issued a Flood Alert (Severity Level 3) for the River Thames at Thames Ditton Island. The alert was raised at 11:18 AM on February 16, 2026, due to a combination of high tides and high river flows upstream.

Affected Areas

Flooding is possible for low-lying land and roads, particularly in the Thames Ditton area. The geographic scope includes regions within Greater London, Richmond upon Thames, and Surrey.

What You Should Do

Residents and commuters 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 latest updates.

Expected Conditions

High tides combined with high river flows are expected to cause elevated water levels. Further light rainfall is forecast over the next 48 hours, which is likely to keep river levels high for several days. Specific tide level predictions include:

• February 16 at 3:00 PM: 5.89m
• February 17 at 3:45 AM: 5.85m
• February 17 at 4:00 PM: 5.91m

Timeline

The alert is currently in effect. High water levels are expected to persist through at least February 17. The Environment Agency will provide an update on the situation by 8:00 PM on February 17, 2026, or sooner if conditions change significantly.