River Thames at Thames Ditton Island Flood alert 10:40am, Tuesday 17th February

Flood alert

High tides combined with high river flows upstream could lead to flooding.

Flooding of low lying land and roads is possible, especially in the Thames Ditton area. The forecast for today is dry, with further rainfall expected tomorrow 18 February 2026. We expect river levels to remain high over the next few days.

The next high tide is at 3:30pm on 17 February and could reach between 5.55m and 5.91m, the 2nd tide is at 3:45am on 18 February and could reach between 5.36m and 5.72m.

We are monitoring rainfall and river levels.

Take care and avoid walking, cycling or driving through flood water. Go to River levels online for updates on current river levels.

This message will be updated by 8pm 18 Feb 2026 or as the situation changes.

Information supplied by the Environment Agency

This information last updated 10:40am, Tuesday 17th February.

Most recent flood warnings and alerts for River Thames at Thames Ditton Island

Warning no longer in force
Tue 24 Feb 2026, 9:43am
Flood alert
Mon 23 Feb 2026, 10:40am
Flood alert
Sun 22 Feb 2026, 8:59am
Flood alert
Sat 21 Feb 2026, 8:52am
Flood alert
Fri 20 Feb 2026, 9:04am
Flood alert
Thu 19 Feb 2026, 3:54pm
Flood alert
Thu 19 Feb 2026, 12:48pm
Flood alert
Thu 19 Feb 2026, 12:22pm
Flood alert
Wed 18 Feb 2026, 2:41pm
Flood alert
Tue 17 Feb 2026, 10:40am

Flood Warning Area Details

River Thames at Thames Ditton Island including Boyle Farm Island

Region: Thames

Country: England

Counties covered: Greater London, Richmond upon Thames, Surrey

Watercourses covered: River Thames

Area covered by this alert location

The area bounded in blue on the map shows the area covered by flood alerts and warnings for River Thames at Thames Ditton Island.

Note: the area shown on the map is the area covered by flood alerts and warnings. It is not a live map of current flooding. The area covered broadly equates to the area where the risk of flooding in any year is greater than 1% (the "hundred year" flood risk).