River level River Thames at Boulters Lock (downstream data)

Check for flood warnings in this area

Latest recorded level 2.99m at 3:45am Monday 27 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
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• Measured level
• When the water level reaches 3.51m here, minor flooding is possible in this area
• Highest recorded level. Hide
• Show highest recorded level

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Observed data

DateTime	Value	Error
2020-01-27T03:45Z	2.99	false
2020-01-27T03:30Z	2.995	false
2020-01-27T03:15Z	2.991	false
2020-01-27T03:00Z	2.99	false
2020-01-27T02:45Z	2.994	false
2020-01-27T02:30Z	2.994	false
2020-01-27T02:15Z	2.992	false
2020-01-27T02:00Z	2.993	false
2020-01-27T01:45Z	2.994	false
2020-01-27T01:30Z	2.998	false
2020-01-27T01:15Z	2.998	false
2020-01-27T01:00Z	2.996	false
2020-01-27T00:45Z	3.002	false
2020-01-27T00:30Z	2.996	false
2020-01-27T00:15Z	2.998	false
2020-01-27T00:00Z	3.006	false
2020-01-26T23:45Z	3.003	false
2020-01-26T23:30Z	3.006	false
2020-01-26T23:15Z	3.005	false
2020-01-26T23:00Z	3.003	false
2020-01-26T22:45Z	3.005	false
2020-01-26T22:30Z	3.005	false
2020-01-26T22:15Z	3.005	false
2020-01-26T22:00Z	3.004	false
2020-01-26T21:45Z	3.002	false
2020-01-26T21:30Z	3.006	false
2020-01-26T21:15Z	3.008	false
2020-01-26T21:00Z	3.005	false
2020-01-26T20:45Z	3.002	false
2020-01-26T20:30Z	3.003	false
2020-01-26T20:15Z	3.005	false
2020-01-26T20:00Z	3.003	false
2020-01-26T19:45Z	3.003	false
2020-01-26T19:30Z	3.005	false
2020-01-26T19:15Z	3	false
2020-01-26T19:00Z	2.999	false
2020-01-26T18:45Z	2.998	false
2020-01-26T18:30Z	2.997	false
2020-01-26T18:15Z	2.989	false
2020-01-26T18:00Z	2.988	false
2020-01-26T17:45Z	2.987	false
2020-01-26T17:30Z	2.979	false
2020-01-26T17:15Z	2.97	false
2020-01-26T17:00Z	2.968	false
2020-01-26T16:45Z	2.962	false
2020-01-26T16:30Z	2.96	false
2020-01-26T16:15Z	2.961	false
2020-01-26T16:00Z	2.96	false
2020-01-26T15:45Z	2.958	false
2020-01-26T15:30Z	2.958	false
2020-01-26T15:15Z	2.957	false
2020-01-26T15:00Z	2.957	false
2020-01-26T14:45Z	2.956	false
2020-01-26T14:30Z	2.956	false
2020-01-26T14:15Z	2.959	false
2020-01-26T14:00Z	2.955	false
2020-01-26T13:45Z	2.954	false
2020-01-26T13:30Z	2.956	false
2020-01-26T13:15Z	2.954	false
2020-01-26T13:00Z	2.96	false
2020-01-26T12:45Z	2.96	false
2020-01-26T12:30Z	2.966	false
2020-01-26T12:15Z	2.964	false
2020-01-26T12:00Z	2.965	false
2020-01-26T11:45Z	2.966	false
2020-01-26T11:30Z	2.968	false
2020-01-26T11:15Z	2.965	false
2020-01-26T11:00Z	2.965	false
2020-01-26T10:45Z	2.964	false
2020-01-26T10:30Z	2.966	false
2020-01-26T10:15Z	2.967	false
2020-01-26T10:00Z	2.967	false
2020-01-26T09:45Z	2.962	false
2020-01-26T09:30Z	2.961	false
2020-01-26T09:15Z	2.966	false
2020-01-26T09:00Z	2.967	false
2020-01-26T08:45Z	2.966	false
2020-01-26T08:30Z	2.967	false
2020-01-26T08:15Z	2.966	false
2020-01-26T08:00Z	2.968	false
2020-01-26T07:45Z	2.964	false
2020-01-26T07:30Z	2.966	false
2020-01-26T07:15Z	2.97	false
2020-01-26T07:00Z	2.966	false
2020-01-26T06:45Z	2.964	false
2020-01-26T06:30Z	2.961	false
2020-01-26T06:15Z	2.967	false
2020-01-26T06:00Z	2.967	false
2020-01-26T05:45Z	2.962	false
2020-01-26T05:30Z	2.965	false
2020-01-26T05:15Z	2.966	false
2020-01-26T05:00Z	2.962	false
2020-01-26T04:45Z	2.966	false
2020-01-26T04:30Z	2.966	false
2020-01-26T04:15Z	2.965	false
2020-01-26T04:00Z	2.964	false
2020-01-26T03:45Z	2.967	false
2020-01-26T03:30Z	2.965	false
2020-01-26T03:15Z	2.961	false
2020-01-26T03:00Z	2.958	false
2020-01-26T02:45Z	2.964	false
2020-01-26T02:30Z	2.96	false
2020-01-26T02:15Z	2.959	false
2020-01-26T02:00Z	2.96	false
2020-01-26T01:45Z	2.962	false
2020-01-26T01:30Z	2.958	false
2020-01-26T01:15Z	2.958	false
2020-01-26T01:00Z	2.954	false
2020-01-26T00:45Z	2.953	false
2020-01-26T00:30Z	2.952	false
2020-01-26T00:15Z	2.95	false
2020-01-26T00:00Z	2.947	false
2020-01-25T23:45Z	2.944	false
2020-01-25T23:30Z	2.946	false
2020-01-25T23:15Z	2.938	false
2020-01-25T23:00Z	2.941	false
2020-01-25T22:45Z	2.938	false
2020-01-25T22:30Z	2.935	false
2020-01-25T22:15Z	2.928	false
2020-01-25T22:00Z	2.926	false
2020-01-25T21:45Z	2.921	false
2020-01-25T21:30Z	2.922	false
2020-01-25T21:15Z	2.911	false
2020-01-25T21:00Z	2.909	false
2020-01-25T20:45Z	2.907	false
2020-01-25T20:30Z	2.901	false
2020-01-25T20:15Z	2.892	false
2020-01-25T20:00Z	2.888	false
2020-01-25T19:45Z	2.88	false
2020-01-25T19:30Z	2.871	false
2020-01-25T19:15Z	2.871	false
2020-01-25T19:00Z	2.862	false
2020-01-25T18:45Z	2.862	false
2020-01-25T18:30Z	2.894	false
2020-01-25T18:15Z	2.911	false
2020-01-25T18:00Z	2.918	false
2020-01-25T17:45Z	2.92	false
2020-01-25T17:30Z	2.924	false
2020-01-25T17:15Z	2.923	false
2020-01-25T17:00Z	2.929	false
2020-01-25T16:45Z	2.93	false
2020-01-25T16:30Z	2.931	false
2020-01-25T16:15Z	2.933	false
2020-01-25T16:00Z	2.928	false
2020-01-25T15:45Z	2.928	false
2020-01-25T15:30Z	2.92	false
2020-01-25T15:15Z	2.989	false
2020-01-25T15:00Z	3.004	false
2020-01-25T14:45Z	3.014	false
2020-01-25T14:30Z	3.019	false
2020-01-25T14:15Z	3.015	false
2020-01-25T14:00Z	3.019	false
2020-01-25T13:45Z	3.026	false
2020-01-25T13:30Z	3.03	false
2020-01-25T13:15Z	3.036	false
2020-01-25T13:00Z	3.033	false
2020-01-25T12:45Z	3.032	false
2020-01-25T12:30Z	3.021	false
2020-01-25T12:15Z	3.021	false
2020-01-25T12:00Z	3.018	false
2020-01-25T11:45Z	3.028	false
2020-01-25T11:30Z	3.018	false
2020-01-25T11:15Z	3.023	false
2020-01-25T11:00Z	3.014	false
2020-01-25T10:45Z	3.028	false
2020-01-25T10:30Z	3.02	false
2020-01-25T10:15Z	3.016	false
2020-01-25T10:00Z	3.018	false
2020-01-25T09:45Z	3.016	false
2020-01-25T09:30Z	3.015	false
2020-01-25T09:15Z	3.017	false
2020-01-25T09:00Z	3.021	false
2020-01-25T08:45Z	3.022	false
2020-01-25T08:30Z	3.039	false
2020-01-25T08:15Z	3.041	false
2020-01-25T08:00Z	3.04	false
2020-01-25T07:45Z	3.041	false
2020-01-25T07:30Z	3.041	false
2020-01-25T07:15Z	3.046	false
2020-01-25T07:00Z	3.039	false
2020-01-25T06:45Z	3.044	false
2020-01-25T06:30Z	3.046	false
2020-01-25T06:15Z	3.049	false
2020-01-25T06:00Z	3.047	false
2020-01-25T05:45Z	3.046	false
2020-01-25T05:30Z	3.05	false
2020-01-25T05:15Z	3.045	false
2020-01-25T05:00Z	3.053	false
2020-01-25T04:45Z	3.051	false
2020-01-25T04:30Z	3.06	false
2020-01-25T04:15Z	3.059	false
2020-01-25T04:00Z	3.061	false
2020-01-25T03:45Z	3.061	false
2020-01-25T03:30Z	3.06	false
2020-01-25T03:15Z	3.059	false
2020-01-25T03:00Z	3.061	false
2020-01-25T02:45Z	3.062	false
2020-01-25T02:30Z	3.064	false
2020-01-25T02:15Z	3.061	false
2020-01-25T02:00Z	3.069	false
2020-01-25T01:45Z	3.063	false
2020-01-25T01:30Z	3.06	false
2020-01-25T01:15Z	3.066	false
2020-01-25T01:00Z	3.067	false
2020-01-25T00:45Z	3.069	false
2020-01-25T00:30Z	3.07	false
2020-01-25T00:15Z	3.075	false
2020-01-25T00:00Z	3.066	false
2020-01-24T23:45Z	3.069	false
2020-01-24T23:30Z	3.068	false
2020-01-24T23:15Z	3.067	false
2020-01-24T23:00Z	3.071	false
2020-01-24T22:45Z	3.07	false
2020-01-24T22:30Z	3.07	false
2020-01-24T22:15Z	3.074	false
2020-01-24T22:00Z	3.071	false
2020-01-24T21:45Z	3.073	false
2020-01-24T21:30Z	3.065	false
2020-01-24T21:15Z	3.069	false
2020-01-24T21:00Z	3.07	false
2020-01-24T20:45Z	3.072	false
2020-01-24T20:30Z	3.065	false
2020-01-24T20:15Z	3.062	false
2020-01-24T20:00Z	3.064	false
2020-01-24T19:45Z	3.069	false
2020-01-24T19:30Z	3.062	false
2020-01-24T19:15Z	3.067	false
2020-01-24T19:00Z	3.069	false
2020-01-24T18:45Z	3.062	false
2020-01-24T18:30Z	3.06	false
2020-01-24T18:15Z	3.062	false
2020-01-24T18:00Z	3.062	false
2020-01-24T17:45Z	3.056	false
2020-01-24T17:30Z	3.066	false
2020-01-24T17:15Z	3.053	false
2020-01-24T17:00Z	3.054	false
2020-01-24T16:45Z	3.053	false
2020-01-24T16:30Z	3.046	false
2020-01-24T16:15Z	3.042	false
2020-01-24T16:00Z	3.039	false
2020-01-24T15:45Z	3.037	false
2020-01-24T15:30Z	3.029	false
2020-01-24T15:15Z	3.03	false
2020-01-24T15:00Z	3.025	false
2020-01-24T14:45Z	3.02	false
2020-01-24T14:30Z	3.009	false
2020-01-24T14:15Z	2.997	false
2020-01-24T14:00Z	3.002	false
2020-01-24T13:45Z	3.016	false
2020-01-24T13:30Z	3.062	false
2020-01-24T13:15Z	3.078	false
2020-01-24T13:00Z	3.081	false
2020-01-24T12:45Z	3.093	false
2020-01-24T12:30Z	3.101	false
2020-01-24T12:15Z	3.11	false
2020-01-24T12:00Z	3.107	false
2020-01-24T11:45Z	3.108	false
2020-01-24T11:30Z	3.106	false
2020-01-24T11:15Z	3.111	false
2020-01-24T11:00Z	3.101	false
2020-01-24T10:45Z	3.104	false
2020-01-24T10:30Z	3.09	false
2020-01-24T10:15Z	3.094	false
2020-01-24T10:00Z	3.1	false
2020-01-24T09:45Z	3.092	false
2020-01-24T09:30Z	3.096	false
2020-01-24T09:15Z	3.105	false
2020-01-24T09:00Z	3.091	false
2020-01-24T08:45Z	3.093	false
2020-01-24T08:30Z	3.1	false
2020-01-24T08:15Z	3.101	false
2020-01-24T08:00Z	3.096	false
2020-01-24T07:45Z	3.091	false
2020-01-24T07:30Z	3.108	false
2020-01-24T07:15Z	3.106	false
2020-01-24T07:00Z	3.101	false
2020-01-24T06:45Z	3.102	false
2020-01-24T06:30Z	3.101	false
2020-01-24T06:15Z	3.109	false
2020-01-24T06:00Z	3.114	false
2020-01-24T05:45Z	3.105	false
2020-01-24T05:30Z	3.112	false
2020-01-24T05:15Z	3.115	false
2020-01-24T05:00Z	3.113	false
2020-01-24T04:45Z	3.102	false
2020-01-24T04:30Z	3.119	false
2020-01-24T04:15Z	3.116	false
2020-01-24T04:00Z	3.109	false
2020-01-24T03:45Z	3.11	false
2020-01-24T03:30Z	3.125	false
2020-01-24T03:15Z	3.122	false
2020-01-24T03:00Z	3.114	false
2020-01-24T02:45Z	3.116	false
2020-01-24T02:30Z	3.122	false
2020-01-24T02:15Z	3.117	false
2020-01-24T02:00Z	3.13	false
2020-01-24T01:45Z	3.131	false
2020-01-24T01:30Z	3.122	false
2020-01-24T01:15Z	3.123	false
2020-01-24T01:00Z	3.128	false
2020-01-24T00:45Z	3.129	false
2020-01-24T00:30Z	3.122	false
2020-01-24T00:15Z	3.129	false
2020-01-24T00:00Z	3.133	false
2020-01-23T23:45Z	3.124	false
2020-01-23T23:30Z	3.126	false
2020-01-23T23:15Z	3.135	false
2020-01-23T23:00Z	3.13	false
2020-01-23T22:45Z	3.136	false
2020-01-23T22:30Z	3.137	false
2020-01-23T22:15Z	3.133	false
2020-01-23T22:00Z	3.137	false
2020-01-23T21:45Z	3.138	false
2020-01-23T21:30Z	3.144	false
2020-01-23T21:15Z	3.14	false
2020-01-23T21:00Z	3.143	false
2020-01-23T20:45Z	3.147	false
2020-01-23T20:30Z	3.144	false
2020-01-23T20:15Z	3.141	false
2020-01-23T20:00Z	3.143	false
2020-01-23T19:45Z	3.145	false
2020-01-23T19:30Z	3.141	false
2020-01-23T19:15Z	3.147	false
2020-01-23T19:00Z	3.141	false
2020-01-23T18:45Z	3.139	false
2020-01-23T18:30Z	3.133	false
2020-01-23T18:15Z	3.138	false
2020-01-23T18:00Z	3.148	false
2020-01-23T17:45Z	3.14	false
2020-01-23T17:30Z	3.139	false
2020-01-23T17:15Z	3.14	false
2020-01-23T17:00Z	3.131	false
2020-01-23T16:45Z	3.134	false
2020-01-23T16:30Z	3.138	false
2020-01-23T16:15Z	3.133	false
2020-01-23T16:00Z	3.122	false
2020-01-23T15:45Z	3.13	false
2020-01-23T15:30Z	3.123	false
2020-01-23T15:15Z	3.138	false
2020-01-23T15:00Z	3.14	false
2020-01-23T14:45Z	3.142	false
2020-01-23T14:30Z	3.161	false
2020-01-23T14:15Z	3.17	false
2020-01-23T14:00Z	3.181	false
2020-01-23T13:45Z	3.173	false
2020-01-23T13:30Z	3.175	false
2020-01-23T13:15Z	3.179	false
2020-01-23T13:00Z	3.165	false
2020-01-23T12:45Z	3.223	false
2020-01-23T12:30Z	3.248	false
2020-01-23T12:15Z	3.245	false
2020-01-23T12:00Z	3.248	false
2020-01-23T11:45Z	3.254	false
2020-01-23T11:30Z	3.255	false
2020-01-23T11:15Z	3.249	false
2020-01-23T11:00Z	3.254	false
2020-01-23T10:45Z	3.248	false
2020-01-23T10:30Z	3.248	false
2020-01-23T10:15Z	3.251	false
2020-01-23T10:00Z	3.25	false
2020-01-23T09:45Z	3.246	false
2020-01-23T09:30Z	3.252	false
2020-01-23T09:15Z	3.25	false
2020-01-23T09:00Z	3.256	false
2020-01-23T08:45Z	3.264	false
2020-01-23T08:30Z	3.26	false
2020-01-23T08:15Z	3.25	false
2020-01-23T08:00Z	3.256	false
2020-01-23T07:45Z	3.263	false
2020-01-23T07:30Z	3.265	false
2020-01-23T07:15Z	3.263	false
2020-01-23T07:00Z	3.262	false
2020-01-23T06:45Z	3.261	false
2020-01-23T06:30Z	3.271	false
2020-01-23T06:15Z	3.272	false
2020-01-23T06:00Z	3.276	false
2020-01-23T05:45Z	3.272	false
2020-01-23T05:30Z	3.272	false
2020-01-23T05:15Z	3.269	false
2020-01-23T05:00Z	3.281	false
2020-01-23T04:45Z	3.286	false
2020-01-23T04:30Z	3.285	false
2020-01-23T04:15Z	3.284	false
2020-01-23T04:00Z	3.288	false
2020-01-23T03:45Z	3.289	false
2020-01-23T03:30Z	3.292	false
2020-01-23T03:15Z	3.287	false
2020-01-23T03:00Z	3.293	false
2020-01-23T02:45Z	3.286	false
2020-01-23T02:30Z	3.288	false
2020-01-23T02:15Z	3.298	false
2020-01-23T02:00Z	3.291	false
2020-01-23T01:45Z	3.298	false
2020-01-23T01:30Z	3.303	false
2020-01-23T01:15Z	3.304	false
2020-01-23T01:00Z	3.31	false
2020-01-23T00:45Z	3.31	false
2020-01-23T00:30Z	3.312	false
2020-01-23T00:15Z	3.313	false
2020-01-23T00:00Z	3.31	false
2020-01-22T23:45Z	3.311	false
2020-01-22T23:30Z	3.31	false
2020-01-22T23:15Z	3.31	false
2020-01-22T23:00Z	3.308	false
2020-01-22T22:45Z	3.311	false
2020-01-22T22:30Z	3.31	false
2020-01-22T22:15Z	3.31	false
2020-01-22T22:00Z	3.311	false
2020-01-22T21:45Z	3.315	false
2020-01-22T21:30Z	3.321	false
2020-01-22T21:15Z	3.315	false
2020-01-22T21:00Z	3.305	false
2020-01-22T20:45Z	3.319	false
2020-01-22T20:30Z	3.311	false
2020-01-22T20:15Z	3.313	false
2020-01-22T20:00Z	3.315	false
2020-01-22T19:45Z	3.31	false
2020-01-22T19:30Z	3.309	false
2020-01-22T19:15Z	3.314	false
2020-01-22T19:00Z	3.306	false
2020-01-22T18:45Z	3.297	false
2020-01-22T18:30Z	3.289	false
2020-01-22T18:15Z	3.251	false
2020-01-22T18:00Z	3.263	false
2020-01-22T17:45Z	3.266	false
2020-01-22T17:30Z	3.279	false
2020-01-22T17:15Z	3.281	false
2020-01-22T17:00Z	3.279	false
2020-01-22T16:45Z	3.286	false
2020-01-22T16:30Z	3.296	false
2020-01-22T16:15Z	3.299	false
2020-01-22T16:00Z	3.301	false
2020-01-22T15:45Z	3.307	false
2020-01-22T15:30Z	3.312	false
2020-01-22T15:15Z	3.319	false
2020-01-22T15:00Z	3.316	false
2020-01-22T14:45Z	3.323	false
2020-01-22T14:30Z	3.321	false
2020-01-22T14:15Z	3.316	false
2020-01-22T14:00Z	3.328	false
2020-01-22T13:45Z	3.322	false
2020-01-22T13:30Z	3.334	false
2020-01-22T13:15Z	3.329	false
2020-01-22T13:00Z	3.327	false
2020-01-22T12:45Z	3.325	false
2020-01-22T12:30Z	3.325	false
2020-01-22T12:15Z	3.334	false
2020-01-22T12:00Z	3.331	false
2020-01-22T11:45Z	3.327	false
2020-01-22T11:30Z	3.327	false
2020-01-22T11:15Z	3.332	false
2020-01-22T11:00Z	3.327	false
2020-01-22T10:45Z	3.332	false
2020-01-22T10:30Z	3.327	false
2020-01-22T10:15Z	3.329	false
2020-01-22T10:00Z	3.319	false
2020-01-22T09:45Z	3.324	false
2020-01-22T09:30Z	3.31	false
2020-01-22T09:15Z	3.3	false
2020-01-22T09:00Z	3.289	false
2020-01-22T08:45Z	3.277	false
2020-01-22T08:30Z	3.263	false
2020-01-22T08:15Z	3.252	false
2020-01-22T08:00Z	3.265	false
2020-01-22T07:45Z	3.269	false
2020-01-22T07:30Z	3.272	false
2020-01-22T07:15Z	3.271	false
2020-01-22T07:00Z	3.272	false
2020-01-22T06:45Z	3.279	false
2020-01-22T06:30Z	3.275	false
2020-01-22T06:15Z	3.275	false
2020-01-22T06:00Z	3.278	false
2020-01-22T05:45Z	3.284	false
2020-01-22T05:30Z	3.29	false
2020-01-22T05:15Z	3.286	false
2020-01-22T05:00Z	3.287	false
2020-01-22T04:45Z	3.294	false
2020-01-22T04:30Z	3.297	false
2020-01-22T04:15Z	3.297	false
2020-01-22T04:00Z	3.302	false

Forecast data

Key information

• Station name: Boulters Lock (downstream)
• Station ID: 7163
• River name: River Thames
• Typical range: 2.27m to 3.51m
• Highest level on record: 4.70m on 11 December 2000
• Site datum: 18.94mAOD (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

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