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This is an archived message. The status has changed more recently.
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. Further rainfall is expected today, 18 February 2026. We expect river levels to remain high over the next few days.
The next high tide is at 4:30pm on 18 February and could reach between 5.63m and 5.77m, the 2nd tide is at 4:45am on 19 February and could reach between 5.59m and 5.73m
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 19 Feb 2026 or as the situation changes.
Information supplied by the Environment Agency
This information last updated 2:41pm, Wednesday 18th February.
Warning no longer in force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
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
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).
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.
No current or recent warnings.