River Thames level upstream at Marlow Lock

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

Latest at 5:00pm on 24 April

Height
0.17m
Trend
Rising
State
Normal

Normal range 0.06m to 0.45m

Height in metres over the last 5 days

We take measurements more often as the risk of flooding increases.

Download data CSV (12KB)

How levels here could affect nearby areas

1.24m
Water reaches the highest level recorded at this measuring station (recorded on 10 February 2014)
0.45m
This is the top of the normal range
0.17m
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