River Thames level downstream at Marsh Lock

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

Latest at 11:45pm on 16 April

Height
2.56m
Trend
Rising
State
Normal

Normal range 2.30m to 3.02m

Height in metres over the last 5 days

Download data CSV (12KB)

How levels here could affect nearby areas

4.28m
Water reaches the highest level recorded at this measuring station (recorded on 9 February 2014)
3.71m
Property flooding is possible above this level. One or more flood warnings may be issued
3.02m
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
2.56m
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