River Thames Locks

Links to the Flood information service pages for Flood warnings and water levels in the river,
with updated maximum levels.

Up side of lock Max Date Lock Down side of lock Max Date
Upstream 0.78 2008-01-16 St John's Lock Downstream 2.86 2011-11-26
Upstream 0.8 2012-11-26 Buscot Lock Downstream 4.02 2012-11-26
Upstream 0.92 2012-11-26 Grafton Lock Downstream 3.37 2012-11-28
Upstream 0.87 2007-07-22 Radcot Lock Downstream 3.53 2007-07-22
Upstream 1.33 2009-05-11 Rushey Lock Downstream 3.92 2007-07-22
Upstream 0.66 2014-02-10 Shifford Lock Downstream 4.4 2007-07-21
Upstream 1.14 2012-12-27 Northmoor Lock Downstream 3.88 2012-11-29
Upstream 1.06 2007-07-24 Pinkhill Lock Downstream 3.39 2007-07-24
Upstream 1.19 2007-07-22 Eynsham Lock Downstream 3.65 2007-02-20
Upstream 0.98 2006-06-28 King's Lock Downstream 2.83 2007-07-25
Upstream 0.4 2008-03-16 Godstow Lock Downstream 2.99 2012-11-27
Upstream 0.18 2010-12-29 Osney Lock Downstream 3.81 2014-02-09
Upstream 0.85 2014-01-09 Iffley Lock Downstream 5.33 2014-02-10
Upstream 0.70 2014-01-09 Sandford Lock Downstream 4.05 2014-01-09
Upstream 0.58 2014-01-09 Abingdon Lock Downstream 3.62 2014-01-09
Upstream 1.98 2008-08-07 Culham Lock Downstream 4.18 2012-11-28
Upstream 1.54 2007-07-26 Clifton Lock Downstream 4.16 2003-01-02
Upstream 1.33 2014-01-09 Days Lock Downstream 4.85 2014-01-09
Upstream 1.45 2014-02-09 Benson Lock Downstream 5.31 2003-07-21
Upstream 0.74 2014-02-09 Cleeve Lock Downstream 3.79 2003-01-04
Upstream 1.12 2014-01-10 Goring Lock Downstream 5.46 2014-01-10
Upstream 0.96 2014-01-09 Whitchurch Lock Downstream 3.58 2014-01-09
Upstream 0.75 2014-01-10 Mapledurham Lock Downstream 4.72 2003-01-04
Upstream 0.84 2014-01-09 Caversham Lock Downstream 3.83 2003-01-04
Upstream 1.05 2003-01-05 Sonning Lock Downstream 3.93 2014-02-10
Upstream 0.96 2014-02-10 Shiplake Lock Downstream 4.2 2014-02-10
Upstream 1.26 2014-02-10 Marsh Lock Downstream 4.27 2014-02-10



Hambleden Lock


Upstream 0.61 2007-04-20 Hurley Lock Downstream 2.91 2014-02-10



Temple Lock


Upstream 1.23 2014-02-10 Marlow Lock Downstream 4.72 2014-02-10
Upstream 1.36 2014-02-10 Cookham Lock Downstream 4.36 2014-02-10
Upstream 0.78 2007-07-22 Boulter's Lock Downstream 4.03 2014-02-10
Upstream 1.81 2012-11-22 Jubilee River at Taplow Marsh Lane 21.42 2024-01-08
Upstream 1.01 2014-02-10 Bray Lock Downstream 4.12 2014-02-10



Boveney Lock


Upstream 1.25 2014-02-10 Romney Lock Downstream 5.71 2014-02-11
Upstream 1.93 2014-02-10 Old Windsor Lock Downstream 5.32 2014-02-11
Upstream 1.31 2014-02-09 Bell Weir Lock Downstream 5.24 2014-02-09
Upstream 1.39 2014-02-12 Penton Hook Lock Downstream 5.04 2014-02-12
Upstream 1.3 2014-02-12 Chertsey Lock Downstream 4.59 2014-02-12
Upstream 1.11 2014-02-11 Shepperton Lock Downstream 5.13 2014-02-10
Upstream 1.03 2014-02-10 Sunbury Lock Downstream 5.03 2014-02-11
Upstream 1.03 2014-02-12 Molesey Lock Downstream 5.21 2003-01-02
Upstream 1.20 2000-10-31 Teddington Lock Downstream 6.70 1994-07-23

Levels in major tributaries

River at Above Lock Av Discharge m3/s Max Discharge m3/s
Churn Cerney Wick St John's 0.86 4.70
Ray Water Eaton St John's 1.28 16.3
Coln Bibury St John's 2.06 6.20
Windrush Newbridge Ponkhill 3.27 21.6
Evenlode Cassington King's 3.7 26.7
Cherwell Kings Mill Iffley 7.2 100.0
Ock Abingdon Culham 1.52 15.8
Thame Stadhampton Benson 3.90 53.1
Pang Pangbourne Mapledurham 0.62 6.50
Kennet Blakes Lock Sonning 9.75 70.0
Loddon Twyford Marsh 2.16 26.4
Wye Bourne End Cookham 1.00 4.40
The Cut Bray Boveney 2.04 18.1
Colne Stanwell Mill Penton Hook 1.24 18.4
Wey Weybridge Sunbury 1.93 74.8
Mole Esher Teddington 3.24 99.9
Hogsmill Kingston Teddington 1.23 26.3