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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 5:30am on 22 December

Height
0.27m
Trend
Steady
State
Normal

Normal range 0.06m to 0.45m

Height in metres over the last 5 days

Download data CSV (12KB)

How levels here could affect nearby areas

1.24m
Water reaches the highest level recorded at this measuring station (10 February 2014)
0.45m
Top of normal range. Low-lying land flooding possible above this level
0.27m
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