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There is a flood alert within 5 miles of this measuring station

River Thames level upstream at Sonning Lock

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

Latest at 5:45pm on 3 April

Height
0.22m
Trend
Steady
State
Normal

Normal range 0.07m to 0.26m

Height in metres over the last 5 days

Threshold: 0.26m Top of normal range0.17m 5:15pm, 29 Mar0.15m 5:45pm, 29 Mar0.18m 7:00pm, 29 Mar0.14m 9:00am, 30 Mar0.17m 11:00am, 30 Mar0.12m 12:30pm, 30 Mar0.19m 1:30pm, 30 Mar0.14m 2:00pm, 30 Mar0.17m 3:30pm, 30 Mar0.15m 3:45pm, 30 Mar0.17m 4:15pm, 30 Mar0.15m 5:30pm, 30 Mar0.14m 9:00am, 31 Mar0.17m 9:30am, 31 Mar0.11m 10:45am, 31 Mar0.17m 1:45pm, 31 Mar0.09m 2:15pm, 31 Mar0.15m 3:00pm, 31 Mar0.14m 9:30am, 1 Apr0.18m 11:30am, 1 Apr0.15m 12:00pm, 1 Apr0.18m 10:45pm, 1 Apr0.17m 11:45am, 2 Apr0.09m 3:15pm, 2 Apr0.19m 12:00am, 3 Apr0.20m 10:00am, 3 Apr0.26m 12:15pm, 3 Apr0.22m 4:45pm, 3 Apr
Download data CSV (12KB)

How levels here could affect nearby areas

1.05m
Water reaches the highest level recorded at this measuring station (5 January 2003)
0.26m
Top of normal range. Low-lying land flooding possible above this level
0.22m
Latest level

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

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