River level River Thames at Cookham Lock (downstream data)

Check for flood warnings in this area

Latest recorded level 3.06m at 5:00am Saturday 25 January 2020.

View upstream data for this station

Why are there 2 sets of data for this station?

Some monitoring stations are located near to a man-made structure which affects the river's flow characteristics, for example a weir, or lock. For these stations, we provide river levels from both the upstream and downstream sides of the structure.

River levels at this location in the last 5 days

Now
▼

• Measured level
• When the water level reaches 3.68m here, minor flooding is possible in this area
• Highest recorded level. Hide
• Show highest recorded level

You're missing out. A graph should be visible here.
Upgrade your browser to see and use all the features of this service.

You're missing out. A graph should be visible here.

Javascript must be enabled.

Observed data

DateTime	Value	Error
2020-01-25T05:00Z	3.057	false
2020-01-25T04:45Z	3.068	false
2020-01-25T04:30Z	3.065	false
2020-01-25T04:15Z	3.066	false
2020-01-25T04:00Z	3.062	false
2020-01-25T03:45Z	3.061	false
2020-01-25T03:30Z	3.077	false
2020-01-25T03:15Z	3.058	false
2020-01-25T03:00Z	3.066	false
2020-01-25T02:45Z	3.056	false
2020-01-25T02:30Z	3.07	false
2020-01-25T02:15Z	3.077	false
2020-01-25T02:00Z	3.068	false
2020-01-25T01:45Z	3.064	false
2020-01-25T01:30Z	3.076	false
2020-01-25T01:15Z	3.077	false
2020-01-25T01:00Z	3.075	false
2020-01-25T00:45Z	3.078	false
2020-01-25T00:30Z	3.09	false
2020-01-25T00:15Z	3.08	false
2020-01-25T00:00Z	3.067	false
2020-01-24T23:45Z	3.077	false
2020-01-24T23:30Z	3.076	false
2020-01-24T23:15Z	3.081	false
2020-01-24T23:00Z	3.071	false
2020-01-24T22:45Z	3.07	false
2020-01-24T22:30Z	3.076	false
2020-01-24T22:15Z	3.07	false
2020-01-24T22:00Z	3.069	false
2020-01-24T21:45Z	3.069	false
2020-01-24T21:30Z	3.068	false
2020-01-24T21:15Z	3.07	false
2020-01-24T21:00Z	3.075	false
2020-01-24T20:45Z	3.08	false
2020-01-24T20:30Z	3.073	false
2020-01-24T20:15Z	3.073	false
2020-01-24T20:00Z	3.069	false
2020-01-24T19:45Z	3.071	false
2020-01-24T19:30Z	3.074	false
2020-01-24T19:15Z	3.073	false
2020-01-24T19:00Z	3.075	false
2020-01-24T18:45Z	3.073	false
2020-01-24T18:30Z	3.068	false
2020-01-24T18:15Z	3.082	false
2020-01-24T18:00Z	3.064	false
2020-01-24T17:45Z	3.071	false
2020-01-24T17:30Z	3.075	false
2020-01-24T17:15Z	3.068	false
2020-01-24T17:00Z	3.072	false
2020-01-24T16:45Z	3.067	false
2020-01-24T16:30Z	3.072	false
2020-01-24T16:15Z	3.06	false
2020-01-24T16:00Z	3.057	false
2020-01-24T15:45Z	3.059	false
2020-01-24T15:30Z	3.055	false
2020-01-24T15:15Z	3.057	false
2020-01-24T15:00Z	3.051	false
2020-01-24T14:45Z	3.045	false
2020-01-24T14:30Z	3.043	false
2020-01-24T14:15Z	3.031	false
2020-01-24T14:00Z	3.025	false
2020-01-24T13:45Z	3.024	false
2020-01-24T13:30Z	3.025	false
2020-01-24T13:15Z	3.031	false
2020-01-24T13:00Z	3.034	false
2020-01-24T12:45Z	3.048	false
2020-01-24T12:30Z	3.047	false
2020-01-24T12:15Z	3.069	false
2020-01-24T12:00Z	3.074	false
2020-01-24T11:45Z	3.061	false
2020-01-24T11:30Z	3.083	false
2020-01-24T11:15Z	3.073	false
2020-01-24T11:00Z	3.073	false
2020-01-24T10:45Z	3.074	false
2020-01-24T10:30Z	3.074	false
2020-01-24T10:15Z	3.082	false
2020-01-24T10:00Z	3.066	false
2020-01-24T09:45Z	3.07	false
2020-01-24T09:30Z	3.085	false
2020-01-24T09:15Z	3.074	false
2020-01-24T09:00Z	3.075	false
2020-01-24T08:45Z	3.071	false
2020-01-24T08:30Z	3.085	false
2020-01-24T08:15Z	3.08	false
2020-01-24T08:00Z	3.079	false
2020-01-24T07:45Z	3.076	false
2020-01-24T07:30Z	3.078	false
2020-01-24T07:15Z	3.08	false
2020-01-24T07:00Z	3.09	false
2020-01-24T06:45Z	3.076	false
2020-01-24T06:30Z	3.086	false
2020-01-24T06:15Z	3.083	false
2020-01-24T06:00Z	3.083	false
2020-01-24T05:45Z	3.095	false
2020-01-24T05:30Z	3.095	false
2020-01-24T05:15Z	3.097	false
2020-01-24T05:00Z	3.088	false
2020-01-24T04:45Z	3.096	false
2020-01-24T04:30Z	3.09	false
2020-01-24T04:15Z	3.094	false
2020-01-24T04:00Z	3.1	false
2020-01-24T03:45Z	3.081	false
2020-01-24T03:30Z	3.093	false
2020-01-24T03:15Z	3.099	false
2020-01-24T03:00Z	3.103	false
2020-01-24T02:45Z	3.101	false
2020-01-24T02:30Z	3.103	false
2020-01-24T02:15Z	3.102	false
2020-01-24T02:00Z	3.098	false
2020-01-24T01:45Z	3.103	false
2020-01-24T01:30Z	3.103	false
2020-01-24T01:15Z	3.089	false
2020-01-24T01:00Z	3.115	false
2020-01-24T00:45Z	3.104	false
2020-01-24T00:30Z	3.117	false
2020-01-24T00:15Z	3.112	false
2020-01-24T00:00Z	3.105	false
2020-01-23T23:45Z	3.116	false
2020-01-23T23:30Z	3.106	false
2020-01-23T23:15Z	3.111	false
2020-01-23T23:00Z	3.115	false
2020-01-23T22:45Z	3.115	false
2020-01-23T22:30Z	3.121	false
2020-01-23T22:15Z	3.122	false
2020-01-23T22:00Z	3.115	false
2020-01-23T21:45Z	3.118	false
2020-01-23T21:30Z	3.114	false
2020-01-23T21:15Z	3.115	false
2020-01-23T21:00Z	3.113	false
2020-01-23T20:45Z	3.119	false
2020-01-23T20:30Z	3.111	false
2020-01-23T20:15Z	3.114	false
2020-01-23T20:00Z	3.118	false
2020-01-23T19:45Z	3.117	false
2020-01-23T19:30Z	3.12	false
2020-01-23T19:15Z	3.119	false
2020-01-23T19:00Z	3.119	false
2020-01-23T18:45Z	3.115	false
2020-01-23T18:30Z	3.116	false
2020-01-23T18:15Z	3.133	false
2020-01-23T18:00Z	3.114	false
2020-01-23T17:45Z	3.125	false
2020-01-23T17:30Z	3.11	false
2020-01-23T17:15Z	3.114	false
2020-01-23T17:00Z	3.118	false
2020-01-23T16:45Z	3.114	false
2020-01-23T16:30Z	3.113	false
2020-01-23T16:15Z	3.114	false
2020-01-23T16:00Z	3.109	false
2020-01-23T15:45Z	3.111	false
2020-01-23T15:30Z	3.105	false
2020-01-23T15:15Z	3.096	false
2020-01-23T15:00Z	3.1	false
2020-01-23T14:45Z	3.103	false
2020-01-23T14:30Z	3.117	false
2020-01-23T14:15Z	3.127	false
2020-01-23T14:00Z	3.156	false
2020-01-23T13:45Z	3.169	false
2020-01-23T13:30Z	3.164	false
2020-01-23T13:15Z	3.156	false
2020-01-23T13:00Z	3.145	false
2020-01-23T12:45Z	3.149	false
2020-01-23T12:30Z	3.132	false
2020-01-23T12:15Z	3.147	false
2020-01-23T12:00Z	3.149	false
2020-01-23T11:45Z	3.145	false
2020-01-23T11:30Z	3.138	false
2020-01-23T11:15Z	3.141	false
2020-01-23T11:00Z	3.14	false
2020-01-23T10:45Z	3.149	false
2020-01-23T10:30Z	3.133	false
2020-01-23T10:15Z	3.142	false
2020-01-23T10:00Z	3.144	false
2020-01-23T09:45Z	3.147	false
2020-01-23T09:30Z	3.168	false
2020-01-23T09:15Z	3.157	false
2020-01-23T09:00Z	3.152	false
2020-01-23T08:45Z	3.155	false
2020-01-23T08:30Z	3.166	false
2020-01-23T08:15Z	3.156	false
2020-01-23T08:00Z	3.156	false
2020-01-23T07:45Z	3.151	false
2020-01-23T07:30Z	3.157	false
2020-01-23T07:15Z	3.152	false
2020-01-23T07:00Z	3.155	false
2020-01-23T06:45Z	3.168	false
2020-01-23T06:30Z	3.174	false
2020-01-23T06:15Z	3.175	false
2020-01-23T06:00Z	3.175	false
2020-01-23T05:45Z	3.161	false
2020-01-23T05:30Z	3.169	false
2020-01-23T05:15Z	3.169	false
2020-01-23T05:00Z	3.162	false
2020-01-23T04:45Z	3.178	false
2020-01-23T04:30Z	3.171	false
2020-01-23T04:15Z	3.177	false
2020-01-23T04:00Z	3.174	false
2020-01-23T03:45Z	3.18	false
2020-01-23T03:30Z	3.183	false
2020-01-23T03:15Z	3.183	false
2020-01-23T03:00Z	3.181	false
2020-01-23T02:45Z	3.19	false
2020-01-23T02:30Z	3.19	false
2020-01-23T02:15Z	3.186	false
2020-01-23T02:00Z	3.186	false
2020-01-23T01:45Z	3.191	false
2020-01-23T01:30Z	3.201	false
2020-01-23T01:15Z	3.197	false
2020-01-23T01:00Z	3.194	false
2020-01-23T00:45Z	3.197	false
2020-01-23T00:30Z	3.204	false
2020-01-23T00:15Z	3.197	false
2020-01-23T00:00Z	3.196	false
2020-01-22T23:45Z	3.207	false
2020-01-22T23:30Z	3.205	false
2020-01-22T23:15Z	3.202	false
2020-01-22T23:00Z	3.204	false
2020-01-22T22:45Z	3.207	false
2020-01-22T22:30Z	3.209	false
2020-01-22T22:15Z	3.208	false
2020-01-22T22:00Z	3.201	false
2020-01-22T21:45Z	3.204	false
2020-01-22T21:30Z	3.222	false
2020-01-22T21:15Z	3.199	false
2020-01-22T21:00Z	3.226	false
2020-01-22T20:45Z	3.217	false
2020-01-22T20:30Z	3.199	false
2020-01-22T20:15Z	3.207	false
2020-01-22T20:00Z	3.211	false
2020-01-22T19:45Z	3.207	false
2020-01-22T19:30Z	3.219	false
2020-01-22T19:15Z	3.214	false
2020-01-22T19:00Z	3.211	false
2020-01-22T18:45Z	3.217	false
2020-01-22T18:30Z	3.217	false
2020-01-22T18:15Z	3.208	false
2020-01-22T18:00Z	3.214	false
2020-01-22T17:45Z	3.206	false
2020-01-22T17:30Z	3.21	false
2020-01-22T17:15Z	3.214	false
2020-01-22T17:00Z	3.227	false
2020-01-22T16:45Z	3.22	false
2020-01-22T16:30Z	3.234	false
2020-01-22T16:15Z	3.241	false
2020-01-22T16:00Z	3.253	false
2020-01-22T15:45Z	3.257	false
2020-01-22T15:30Z	3.253	false
2020-01-22T15:15Z	3.24	false
2020-01-22T15:00Z	3.258	false
2020-01-22T14:45Z	3.259	false
2020-01-22T14:30Z	3.257	false
2020-01-22T14:15Z	3.261	false
2020-01-22T14:00Z	3.254	false
2020-01-22T13:45Z	3.264	false
2020-01-22T13:30Z	3.278	false
2020-01-22T13:15Z	3.259	false
2020-01-22T13:00Z	3.265	false
2020-01-22T12:45Z	3.269	false
2020-01-22T12:30Z	3.273	false
2020-01-22T12:15Z	3.27	false
2020-01-22T12:00Z	3.284	false
2020-01-22T10:30Z	3.291	false
2020-01-22T10:15Z	3.283	false
2020-01-22T10:00Z	3.287	false
2020-01-22T09:45Z	3.274	false
2020-01-22T09:30Z	3.291	false
2020-01-22T09:15Z	3.282	false
2020-01-22T09:00Z	3.266	false
2020-01-22T08:45Z	3.259	false
2020-01-22T08:30Z	3.252	false
2020-01-22T08:15Z	3.271	false
2020-01-22T08:00Z	3.279	false
2020-01-22T07:45Z	3.27	false
2020-01-22T07:30Z	3.271	false
2020-01-22T07:15Z	3.267	false
2020-01-22T07:00Z	3.274	false
2020-01-22T06:45Z	3.271	false
2020-01-22T06:30Z	3.27	false
2020-01-22T06:15Z	3.281	false
2020-01-22T06:00Z	3.284	false
2020-01-22T05:45Z	3.284	false
2020-01-22T05:30Z	3.288	false
2020-01-22T05:15Z	3.298	false
2020-01-22T05:00Z	3.291	false
2020-01-22T04:45Z	3.301	false
2020-01-22T04:30Z	3.29	false
2020-01-22T04:15Z	3.296	false
2020-01-22T04:00Z	3.303	false
2020-01-22T03:45Z	3.301	false
2020-01-22T03:30Z	3.301	false
2020-01-22T03:15Z	3.299	false
2020-01-22T03:00Z	3.307	false
2020-01-22T02:45Z	3.307	false
2020-01-22T02:30Z	3.301	false
2020-01-22T02:15Z	3.308	false
2020-01-22T02:00Z	3.305	false
2020-01-22T01:45Z	3.304	false
2020-01-22T01:30Z	3.317	false
2020-01-22T01:15Z	3.311	false
2020-01-22T01:00Z	3.326	false
2020-01-22T00:45Z	3.322	false
2020-01-22T00:30Z	3.319	false
2020-01-22T00:15Z	3.315	false
2020-01-22T00:00Z	3.342	false
2020-01-21T23:45Z	3.322	false
2020-01-21T23:30Z	3.322	false
2020-01-21T23:30Z	3.322	false
2020-01-21T23:15Z	3.322	false
2020-01-21T23:00Z	3.331	false
2020-01-21T22:45Z	3.322	false
2020-01-21T22:30Z	3.324	false
2020-01-21T22:15Z	3.33	false
2020-01-21T22:00Z	3.327	false
2020-01-21T21:45Z	3.33	false
2020-01-21T21:30Z	3.34	false
2020-01-21T21:15Z	3.325	false
2020-01-21T21:00Z	3.322	false
2020-01-21T20:45Z	3.326	false
2020-01-21T20:30Z	3.325	false
2020-01-21T20:15Z	3.327	false
2020-01-21T20:00Z	3.326	false
2020-01-21T19:45Z	3.324	false
2020-01-21T19:30Z	3.333	false
2020-01-21T19:15Z	3.319	false
2020-01-21T19:00Z	3.327	false
2020-01-21T18:45Z	3.324	false
2020-01-21T18:30Z	3.327	false
2020-01-21T18:15Z	3.325	false
2020-01-21T18:00Z	3.338	false
2020-01-21T17:45Z	3.328	false
2020-01-21T17:30Z	3.33	false
2020-01-21T17:15Z	3.336	false
2020-01-21T17:00Z	3.347	false
2020-01-21T16:45Z	3.356	false
2020-01-21T16:30Z	3.341	false
2020-01-21T16:15Z	3.344	false
2020-01-21T16:00Z	3.357	false
2020-01-21T15:45Z	3.346	false
2020-01-21T15:30Z	3.337	false
2020-01-21T15:15Z	3.374	false
2020-01-21T15:00Z	3.358	false
2020-01-21T14:45Z	3.361	false
2020-01-21T14:30Z	3.354	false
2020-01-21T14:15Z	3.359	false
2020-01-21T14:00Z	3.365	false
2020-01-21T13:45Z	3.361	false
2020-01-21T13:30Z	3.367	false
2020-01-21T13:15Z	3.388	false
2020-01-21T13:00Z	3.378	false
2020-01-21T12:45Z	3.385	false
2020-01-21T12:30Z	3.381	false
2020-01-21T12:15Z	3.384	false
2020-01-21T12:00Z	3.368	false
2020-01-21T11:45Z	3.382	false
2020-01-21T11:30Z	3.383	false
2020-01-21T11:15Z	3.378	false
2020-01-21T11:00Z	3.376	false
2020-01-21T10:45Z	3.392	false
2020-01-21T10:30Z	3.398	false
2020-01-21T10:15Z	3.372	false
2020-01-21T10:00Z	3.378	false
2020-01-21T09:45Z	3.394	false
2020-01-21T09:30Z	3.402	false
2020-01-21T09:15Z	3.385	false
2020-01-21T09:00Z	3.38	false
2020-01-21T08:45Z	3.384	false
2020-01-21T08:30Z	3.374	false
2020-01-21T08:15Z	3.393	false
2020-01-21T08:00Z	3.388	false
2020-01-21T07:45Z	3.386	false
2020-01-21T07:30Z	3.382	false
2020-01-21T07:15Z	3.383	false
2020-01-21T07:00Z	3.382	false
2020-01-21T06:45Z	3.393	false
2020-01-21T06:30Z	3.395	false
2020-01-21T06:15Z	3.39	false
2020-01-21T06:00Z	3.404	false
2020-01-21T05:45Z	3.403	false
2020-01-21T05:30Z	3.4	false
2020-01-21T05:15Z	3.403	false
2020-01-21T05:00Z	3.418	false
2020-01-21T04:45Z	3.4	false
2020-01-21T04:30Z	3.411	false
2020-01-21T04:15Z	3.407	false
2020-01-21T04:00Z	3.415	false
2020-01-21T04:00Z	3.415	false
2020-01-21T03:45Z	3.407	false
2020-01-21T03:30Z	3.421	false
2020-01-21T03:15Z	3.415	false
2020-01-21T03:00Z	3.421	false
2020-01-21T02:45Z	3.429	false
2020-01-21T02:30Z	3.437	false
2020-01-21T02:15Z	3.43	false
2020-01-21T02:00Z	3.421	false
2020-01-21T01:45Z	3.436	false
2020-01-21T01:30Z	3.441	false
2020-01-21T01:15Z	3.427	false
2020-01-21T01:00Z	3.446	false
2020-01-21T00:45Z	3.427	false
2020-01-21T00:30Z	3.444	false
2020-01-21T00:15Z	3.434	false
2020-01-21T00:00Z	3.441	false
2020-01-20T23:45Z	3.447	false
2020-01-20T23:30Z	3.441	false
2020-01-20T23:15Z	3.446	false
2020-01-20T23:00Z	3.431	false
2020-01-20T22:45Z	3.44	false
2020-01-20T22:30Z	3.444	false
2020-01-20T22:15Z	3.433	false
2020-01-20T22:00Z	3.444	false
2020-01-20T21:45Z	3.442	false
2020-01-20T21:30Z	3.454	false
2020-01-20T21:15Z	3.445	false
2020-01-20T21:00Z	3.455	false
2020-01-20T20:45Z	3.452	false
2020-01-20T20:30Z	3.447	false
2020-01-20T20:15Z	3.446	false
2020-01-20T20:00Z	3.445	false
2020-01-20T19:45Z	3.461	false
2020-01-20T19:30Z	3.449	false
2020-01-20T19:15Z	3.457	false
2020-01-20T19:00Z	3.453	false
2020-01-20T18:45Z	3.47	false
2020-01-20T18:30Z	3.472	false
2020-01-20T18:15Z	3.465	false
2020-01-20T18:00Z	3.464	false
2020-01-20T17:45Z	3.464	false
2020-01-20T17:30Z	3.483	false
2020-01-20T17:15Z	3.494	false
2020-01-20T17:00Z	3.47	false
2020-01-20T16:45Z	3.489	false
2020-01-20T16:30Z	3.482	false
2020-01-20T16:15Z	3.482	false
2020-01-20T16:00Z	3.506	false
2020-01-20T15:45Z	3.47	false
2020-01-20T15:30Z	3.49	false
2020-01-20T15:15Z	3.492	false
2020-01-20T15:00Z	3.483	false
2020-01-20T14:45Z	3.493	false
2020-01-20T14:30Z	3.495	false
2020-01-20T14:15Z	3.492	false
2020-01-20T14:00Z	3.475	false
2020-01-20T13:45Z	3.481	false
2020-01-20T13:30Z	3.471	false
2020-01-20T13:15Z	3.486	false
2020-01-20T13:00Z	3.496	false
2020-01-20T12:45Z	3.489	false
2020-01-20T12:30Z	3.505	false
2020-01-20T12:15Z	3.485	false
2020-01-20T12:00Z	3.49	false
2020-01-20T12:00Z	3.49	false
2020-01-20T11:45Z	3.494	false
2020-01-20T11:30Z	3.507	false
2020-01-20T11:15Z	3.49	false
2020-01-20T11:00Z	3.509	false
2020-01-20T10:45Z	3.506	false
2020-01-20T10:30Z	3.494	false
2020-01-20T10:15Z	3.5	false
2020-01-20T10:00Z	3.514	false
2020-01-20T09:45Z	3.504	false
2020-01-20T09:30Z	3.51	false
2020-01-20T09:15Z	3.517	false
2020-01-20T09:00Z	3.527	false
2020-01-20T08:45Z	3.518	false
2020-01-20T08:30Z	3.519	false
2020-01-20T08:15Z	3.541	false
2020-01-20T08:00Z	3.529	false
2020-01-20T07:45Z	3.535	false
2020-01-20T07:30Z	3.53	false
2020-01-20T07:15Z	3.522	false
2020-01-20T07:00Z	3.541	false
2020-01-20T06:45Z	3.538	false
2020-01-20T06:30Z	3.525	false
2020-01-20T06:15Z	3.545	false
2020-01-20T06:00Z	3.526	false
2020-01-20T05:45Z	3.551	false
2020-01-20T05:30Z	3.541	false
2020-01-20T05:15Z	3.533	false
2020-01-20T05:00Z	3.541	false

Forecast data

Key information

• Station name: Cookham Lock (downstream)
• Station ID: 7162
• River name: River Thames
• Typical range: 2.61m to 3.68m
• Highest level on record: 4.37m on 10 February 2014
• Site datum: 20.94mAOD (what does this mean?)

How are river levels measured?

The Environment agency uses a network of monitoring stations across the country. Each one has its own datum - a height in metres fixed relative to mean sea level. This height is expressed as metres above ordnance datum (mAOD). The river levels we provide for each monitoring station are all relative to its site datum.

If we didn't do this, we'd show some very high measurements, which could cause confusion. By using a local site datum, the river levels are easier to understand, especially by users familiar with the data from a particular monitoring station.

A river's height above ordnance datum can be seen by adding the site datum to the river level.

How often are river levels measured?

We use measuring stations like this one to collect water level data, usually once or twice a day. We collect data more frequently when there's a greater risk of flooding. That's why the graph might show a short time lag since the last measurement.

How might river levels affect flood risk?

Typical range

This is the usual range of river levels at this station, based on historical data.

Above typical

This means that flooding is possible because river levels at this station are currently higher than usual.
Many factors can influence the possibility of flooding - river levels are only one indicator. Always check if there's a flood warning in place at a particular location.

Below typical

This means that river levels at this station are currently lower than usual.
Drought or water management measures may be in place. Please check for the latest information on water resources and restrictions in your area.

• View nearby measuring stations

• View the flood information service for England
• View your property's long term risk of flooding

Share this page

• Twitter
• Facebook
• Email