River Thames level downstream at Sonning Lock

This measuring station takes 2 measurements. You're viewing the downstream level. View the upstream level.

Latest at 1:00pm on 29 March

Height
3.18m
Trend
Rising
State
Normal

Normal range 2.00m to 3.18m

Height in metres over the last 5 days

Download data CSV (12KB)

How levels here could affect nearby areas

3.96m
Water reaches the highest level recorded at this measuring station (recorded on 4 January 2003)
3.91m
Property flooding is possible above this level. One or more flood warnings may be issued
3.18m
Latest level
Low lying land flooding is possible above this level. One or more flood alerts may be issued
This is the top of the normal range

Flooding might not happen again at the same historical levels. This may be because flood management schemes are now in place.

How we measure river, sea and groundwater levels