River level River Thames at Teddington Lock (downstream data)

Check for flood warnings in this area

Latest recorded level 4.80m at 1:00pm Friday 17 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 6.00m 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
2020-01-17T13:00Z	4.801	false
2020-01-17T13:00Z	4.801	false
2020-01-17T12:45Z	4.811	false
2020-01-17T12:45Z	4.811	false
2020-01-17T12:30Z	4.826	false
2020-01-17T12:30Z	4.826	false
2020-01-17T12:15Z	4.835	false
2020-01-17T12:15Z	4.835	false
2020-01-17T12:00Z	4.847	false
2020-01-17T12:00Z	4.847	false
2020-01-17T11:45Z	4.871	false
2020-01-17T11:45Z	4.871	false
2020-01-17T11:30Z	4.886	false
2020-01-17T11:30Z	4.886	false
2020-01-17T11:15Z	4.908	false
2020-01-17T11:15Z	4.908	false
2020-01-17T11:00Z	4.939	false
2020-01-17T11:00Z	4.939	false
2020-01-17T10:45Z	4.968	false
2020-01-17T10:45Z	4.968	false
2020-01-17T10:30Z	5.005	false
2020-01-17T10:30Z	5.005	false
2020-01-17T10:15Z	5.047	false
2020-01-17T10:15Z	5.047	false
2020-01-17T10:00Z	5.093	false
2020-01-17T10:00Z	5.093	false
2020-01-17T09:45Z	5.139	false
2020-01-17T09:45Z	5.139	false
2020-01-17T09:30Z	5.205	false
2020-01-17T09:30Z	5.205	false
2020-01-17T09:15Z	5.268	false
2020-01-17T09:15Z	5.268	false
2020-01-17T09:00Z	5.34	false
2020-01-17T09:00Z	5.34	false
2020-01-17T08:45Z	5.409	false
2020-01-17T08:45Z	5.409	false
2020-01-17T08:30Z	5.493	false
2020-01-17T08:30Z	5.493	false
2020-01-17T08:15Z	5.574	false
2020-01-17T08:15Z	5.574	false
2020-01-17T08:00Z	5.648	false
2020-01-17T08:00Z	5.648	false
2020-01-17T07:45Z	5.713	false
2020-01-17T07:45Z	5.713	false
2020-01-17T07:30Z	5.728	false
2020-01-17T07:30Z	5.728	false
2020-01-17T07:15Z	5.7	false
2020-01-17T07:15Z	5.7	false
2020-01-17T07:00Z	5.606	false
2020-01-17T07:00Z	5.606	false
2020-01-17T06:45Z	5.458	false
2020-01-17T06:45Z	5.458	false
2020-01-17T06:30Z	5.274	false
2020-01-17T06:30Z	5.274	false
2020-01-17T06:15Z	5.093	false
2020-01-17T06:15Z	5.093	false
2020-01-17T06:00Z	4.933	false
2020-01-17T06:00Z	4.933	false
2020-01-17T05:45Z	4.826	false
2020-01-17T05:45Z	4.826	false
2020-01-17T05:30Z	4.766	false
2020-01-17T05:30Z	4.766	false
2020-01-17T05:15Z	4.746	false
2020-01-17T05:15Z	4.746	false
2020-01-17T05:00Z	4.733	false
2020-01-17T05:00Z	4.733	false
2020-01-17T04:45Z	4.731	false
2020-01-17T04:45Z	4.731	false
2020-01-17T04:30Z	4.732	false
2020-01-17T04:30Z	4.732	false
2020-01-17T04:15Z	4.738	false
2020-01-17T04:15Z	4.738	false
2020-01-17T04:00Z	4.744	false
2020-01-17T04:00Z	4.744	false
2020-01-17T03:45Z	4.748	false
2020-01-17T03:45Z	4.748	false
2020-01-17T03:30Z	4.75	false
2020-01-17T03:30Z	4.75	false
2020-01-17T03:15Z	4.752	false
2020-01-17T03:15Z	4.752	false
2020-01-17T03:00Z	4.762	false
2020-01-17T03:00Z	4.762	false
2020-01-17T02:45Z	4.763	false
2020-01-17T02:45Z	4.763	false
2020-01-17T02:30Z	4.774	false
2020-01-17T02:30Z	4.774	false
2020-01-17T02:15Z	4.775	false
2020-01-17T02:15Z	4.775	false
2020-01-17T02:00Z	4.781	false
2020-01-17T02:00Z	4.781	false
2020-01-17T01:45Z	4.793	false
2020-01-17T01:45Z	4.793	false
2020-01-17T01:30Z	4.799	false
2020-01-17T01:30Z	4.799	false
2020-01-17T01:15Z	4.811	false
2020-01-17T01:15Z	4.811	false
2020-01-17T01:00Z	4.821	false
2020-01-17T01:00Z	4.821	false
2020-01-17T00:45Z	4.828	false
2020-01-17T00:45Z	4.828	false
2020-01-17T00:30Z	4.84	false
2020-01-17T00:30Z	4.84	false
2020-01-17T00:15Z	4.863	false
2020-01-17T00:15Z	4.863	false
2020-01-17T00:00Z	4.876	false
2020-01-17T00:00Z	4.876	false
2020-01-16T23:45Z	4.9	false
2020-01-16T23:45Z	4.9	false
2020-01-16T23:30Z	4.923	false
2020-01-16T23:30Z	4.923	false
2020-01-16T23:15Z	4.952	false
2020-01-16T23:15Z	4.952	false
2020-01-16T23:00Z	4.981	false
2020-01-16T23:00Z	4.981	false
2020-01-16T22:45Z	5.015	false
2020-01-16T22:45Z	5.015	false
2020-01-16T22:30Z	5.053	false
2020-01-16T22:30Z	5.053	false
2020-01-16T22:15Z	5.104	false
2020-01-16T22:15Z	5.104	false
2020-01-16T22:00Z	5.16	false
2020-01-16T22:00Z	5.16	false
2020-01-16T21:45Z	5.217	false
2020-01-16T21:45Z	5.217	false
2020-01-16T21:30Z	5.302	false
2020-01-16T21:30Z	5.302	false
2020-01-16T21:15Z	5.374	false
2020-01-16T21:15Z	5.374	false
2020-01-16T21:00Z	5.453	false
2020-01-16T21:00Z	5.453	false
2020-01-16T20:45Z	5.537	false
2020-01-16T20:45Z	5.537	false
2020-01-16T20:30Z	5.635	false
2020-01-16T20:30Z	5.635	false
2020-01-16T20:15Z	5.727	false
2020-01-16T20:15Z	5.727	false
2020-01-16T20:00Z	5.828	false
2020-01-16T20:00Z	5.828	false
2020-01-16T19:45Z	5.933	false
2020-01-16T19:45Z	5.933	false
2020-01-16T19:30Z	6.019	false
2020-01-16T19:30Z	6.019	false
2020-01-16T19:15Z	6.085	false
2020-01-16T19:15Z	6.085	false
2020-01-16T19:00Z	6.124	false
2020-01-16T19:00Z	6.124	false
2020-01-16T18:45Z	6.093	false
2020-01-16T18:45Z	6.093	false
2020-01-16T18:30Z	5.975	false
2020-01-16T18:30Z	5.975	false
2020-01-16T18:15Z	5.811	false
2020-01-16T18:15Z	5.811	false
2020-01-16T18:00Z	5.577	false
2020-01-16T18:00Z	5.577	false
2020-01-16T17:45Z	5.351	false
2020-01-16T17:45Z	5.351	false
2020-01-16T17:30Z	5.134	false
2020-01-16T17:30Z	5.134	false
2020-01-16T17:15Z	4.954	false
2020-01-16T17:15Z	4.954	false
2020-01-16T17:00Z	4.856	false
2020-01-16T17:00Z	4.856	false
2020-01-16T16:45Z	4.798	false
2020-01-16T16:45Z	4.798	false
2020-01-16T16:30Z	4.784	false
2020-01-16T16:30Z	4.784	false
2020-01-16T16:15Z	4.783	false
2020-01-16T16:15Z	4.783	false
2020-01-16T16:00Z	4.786	false
2020-01-16T16:00Z	4.786	false
2020-01-16T15:45Z	4.794	false
2020-01-16T15:45Z	4.794	false
2020-01-16T15:30Z	4.804	false
2020-01-16T15:30Z	4.804	false
2020-01-16T15:15Z	4.819	false
2020-01-16T15:15Z	4.819	false
2020-01-16T15:00Z	4.831	false
2020-01-16T15:00Z	4.831	false
2020-01-16T14:45Z	4.842	false
2020-01-16T14:45Z	4.842	false
2020-01-16T14:30Z	4.848	false
2020-01-16T14:30Z	4.848	false
2020-01-16T14:15Z	4.851	false
2020-01-16T14:15Z	4.851	false
2020-01-16T14:00Z	4.815	false
2020-01-16T14:00Z	4.815	false
2020-01-16T13:45Z	4.817	false
2020-01-16T13:45Z	4.817	false
2020-01-16T13:30Z	4.809	false
2020-01-16T13:30Z	4.809	false
2020-01-16T13:15Z	4.812	false
2020-01-16T13:15Z	4.812	false
2020-01-16T13:00Z	4.809	false
2020-01-16T13:00Z	4.809	false
2020-01-16T12:45Z	4.809	false
2020-01-16T12:45Z	4.809	false
2020-01-16T12:30Z	4.801	false
2020-01-16T12:30Z	4.801	false
2020-01-16T12:15Z	4.811	false
2020-01-16T12:15Z	4.811	false
2020-01-16T12:00Z	4.819	false
2020-01-16T12:00Z	4.819	false
2020-01-16T11:45Z	4.826	false
2020-01-16T11:45Z	4.826	false
2020-01-16T11:30Z	4.844	false
2020-01-16T11:30Z	4.844	false
2020-01-16T11:15Z	4.865	false
2020-01-16T11:15Z	4.865	false
2020-01-16T11:00Z	4.871	false
2020-01-16T11:00Z	4.871	false
2020-01-16T10:45Z	4.884	false
2020-01-16T10:45Z	4.884	false
2020-01-16T10:30Z	4.906	false
2020-01-16T10:30Z	4.906	false
2020-01-16T10:15Z	4.939	false
2020-01-16T10:15Z	4.939	false
2020-01-16T10:00Z	4.975	false
2020-01-16T10:00Z	4.975	false
2020-01-16T09:45Z	5.029	false
2020-01-16T09:45Z	5.029	false
2020-01-16T09:30Z	5.093	false
2020-01-16T09:30Z	5.093	false
2020-01-16T09:15Z	5.156	false
2020-01-16T09:15Z	5.156	false
2020-01-16T09:00Z	5.232	false
2020-01-16T09:00Z	5.232	false
2020-01-16T08:45Z	5.32	false
2020-01-16T08:45Z	5.32	false
2020-01-16T08:30Z	5.4	false
2020-01-16T08:30Z	5.4	false
2020-01-16T08:15Z	5.498	false
2020-01-16T08:15Z	5.498	false
2020-01-16T08:00Z	5.598	false
2020-01-16T08:00Z	5.598	false
2020-01-16T07:45Z	5.714	false
2020-01-16T07:45Z	5.714	false
2020-01-16T07:30Z	5.826	false
2020-01-16T07:30Z	5.826	false
2020-01-16T07:15Z	5.926	false
2020-01-16T07:15Z	5.926	false
2020-01-16T07:00Z	6.016	false
2020-01-16T07:00Z	6.016	false
2020-01-16T06:45Z	6.089	false
2020-01-16T06:45Z	6.089	false
2020-01-16T06:30Z	6.108	false
2020-01-16T06:30Z	6.108	false
2020-01-16T06:15Z	6.057	false
2020-01-16T06:15Z	6.057	false
2020-01-16T06:00Z	5.944	false
2020-01-16T06:00Z	5.944	false
2020-01-16T05:45Z	5.795	false
2020-01-16T05:45Z	5.795	false
2020-01-16T05:30Z	5.642	false
2020-01-16T05:30Z	5.642	false
2020-01-16T05:15Z	5.472	false
2020-01-16T05:15Z	5.472	false
2020-01-16T05:00Z	5.266	false
2020-01-16T05:00Z	5.266	false
2020-01-16T04:45Z	5.034	false
2020-01-16T04:45Z	5.034	false
2020-01-16T04:30Z	4.819	false
2020-01-16T04:30Z	4.819	false
2020-01-16T04:15Z	4.706	false
2020-01-16T04:15Z	4.706	false
2020-01-16T04:00Z	4.643	false
2020-01-16T04:00Z	4.643	false
2020-01-16T03:45Z	4.624	false
2020-01-16T03:45Z	4.624	false
2020-01-16T03:30Z	4.618	false
2020-01-16T03:30Z	4.618	false
2020-01-16T03:15Z	4.611	false
2020-01-16T03:15Z	4.611	false
2020-01-16T03:00Z	4.612	false
2020-01-16T03:00Z	4.612	false
2020-01-16T02:45Z	4.613	false
2020-01-16T02:45Z	4.613	false
2020-01-16T02:30Z	4.611	false
2020-01-16T02:30Z	4.611	false
2020-01-16T02:15Z	4.61	false
2020-01-16T02:15Z	4.61	false
2020-01-16T02:00Z	4.609	false
2020-01-16T02:00Z	4.609	false
2020-01-16T01:45Z	4.614	false
2020-01-16T01:45Z	4.614	false
2020-01-16T01:30Z	4.61	false
2020-01-16T01:30Z	4.61	false
2020-01-16T01:15Z	4.617	false
2020-01-16T01:15Z	4.617	false
2020-01-16T01:00Z	4.614	false
2020-01-16T01:00Z	4.614	false
2020-01-16T00:45Z	4.627	false
2020-01-16T00:45Z	4.627	false
2020-01-16T00:30Z	4.639	false
2020-01-16T00:30Z	4.639	false
2020-01-16T00:15Z	4.632	false
2020-01-16T00:15Z	4.632	false
2020-01-16T00:00Z	4.646	false
2020-01-16T00:00Z	4.646	false
2020-01-15T23:45Z	4.65	false
2020-01-15T23:45Z	4.65	false
2020-01-15T23:30Z	4.663	false
2020-01-15T23:30Z	4.663	false
2020-01-15T23:15Z	4.672	false
2020-01-15T23:15Z	4.672	false
2020-01-15T23:00Z	4.683	false
2020-01-15T23:00Z	4.683	false
2020-01-15T22:45Z	4.692	false
2020-01-15T22:45Z	4.692	false
2020-01-15T22:30Z	4.724	false
2020-01-15T22:30Z	4.724	false
2020-01-15T22:15Z	4.751	false
2020-01-15T22:15Z	4.751	false
2020-01-15T22:00Z	4.792	false
2020-01-15T22:00Z	4.792	false
2020-01-15T21:45Z	4.846	false
2020-01-15T21:45Z	4.846	false
2020-01-15T21:30Z	4.892	false
2020-01-15T21:30Z	4.892	false
2020-01-15T21:15Z	4.917	false
2020-01-15T21:15Z	4.917	false
2020-01-15T21:00Z	4.998	false
2020-01-15T21:00Z	4.998	false
2020-01-15T20:45Z	5.078	false
2020-01-15T20:45Z	5.078	false
2020-01-15T20:30Z	5.172	false
2020-01-15T20:30Z	5.172	false
2020-01-15T20:15Z	5.274	false
2020-01-15T20:15Z	5.274	false
2020-01-15T20:00Z	5.384	false
2020-01-15T20:00Z	5.384	false
2020-01-15T19:45Z	5.51	false
2020-01-15T19:45Z	5.51	false
2020-01-15T19:30Z	5.637	false
2020-01-15T19:30Z	5.637	false
2020-01-15T19:15Z	5.77	false
2020-01-15T19:15Z	5.77	false
2020-01-15T19:00Z	5.912	false
2020-01-15T19:00Z	5.912	false
2020-01-15T18:45Z	6.02	false
2020-01-15T18:45Z	6.02	false
2020-01-15T18:30Z	6.12	false
2020-01-15T18:30Z	6.12	false
2020-01-15T18:15Z	6.188	false
2020-01-15T18:15Z	6.188	false
2020-01-15T18:00Z	6.2	false
2020-01-15T18:00Z	6.2	false
2020-01-15T17:45Z	6.166	false
2020-01-15T17:45Z	6.166	false
2020-01-15T17:30Z	6.056	false
2020-01-15T17:30Z	6.056	false
2020-01-15T17:15Z	5.859	false
2020-01-15T17:15Z	5.859	false
2020-01-15T17:00Z	5.642	false
2020-01-15T17:00Z	5.642	false
2020-01-15T16:45Z	5.376	false
2020-01-15T16:45Z	5.376	false
2020-01-15T16:30Z	5.039	false
2020-01-15T16:30Z	5.039	false
2020-01-15T16:15Z	4.713	false
2020-01-15T16:15Z	4.713	false
2020-01-15T16:00Z	4.5	false
2020-01-15T16:00Z	4.5	false
2020-01-15T15:45Z	4.416	false
2020-01-15T15:45Z	4.416	false
2020-01-15T15:30Z	4.398	false
2020-01-15T15:30Z	4.398	false
2020-01-15T15:15Z	4.404	false
2020-01-15T15:15Z	4.404	false
2020-01-15T15:00Z	4.408	false
2020-01-15T15:00Z	4.408	false
2020-01-15T14:45Z	4.414	false
2020-01-15T14:45Z	4.414	false
2020-01-15T14:30Z	4.424	false
2020-01-15T14:30Z	4.424	false
2020-01-15T14:15Z	4.43	false
2020-01-15T14:15Z	4.43	false
2020-01-15T14:00Z	4.439	false
2020-01-15T14:00Z	4.439	false
2020-01-15T13:45Z	4.449	false
2020-01-15T13:45Z	4.449	false
2020-01-15T13:30Z	4.459	false
2020-01-15T13:30Z	4.459	false
2020-01-15T13:15Z	4.436	false
2020-01-15T13:15Z	4.436	false
2020-01-15T13:00Z	4.425	false
2020-01-15T13:00Z	4.425	false
2020-01-15T12:45Z	4.438	false
2020-01-15T12:45Z	4.438	false
2020-01-15T12:30Z	4.449	false
2020-01-15T12:30Z	4.449	false
2020-01-15T12:15Z	4.462	false
2020-01-15T12:15Z	4.462	false
2020-01-15T12:00Z	4.474	false
2020-01-15T12:00Z	4.474	false
2020-01-15T11:45Z	4.491	false
2020-01-15T11:45Z	4.491	false
2020-01-15T11:30Z	4.496	false
2020-01-15T11:30Z	4.496	false
2020-01-15T11:15Z	4.491	false
2020-01-15T11:15Z	4.491	false
2020-01-15T11:00Z	4.488	false
2020-01-15T11:00Z	4.488	false
2020-01-15T10:45Z	4.471	false
2020-01-15T10:45Z	4.471	false
2020-01-15T10:30Z	4.425	false
2020-01-15T10:30Z	4.425	false
2020-01-15T10:15Z	4.431	false
2020-01-15T10:15Z	4.431	false
2020-01-15T10:00Z	4.437	false
2020-01-15T10:00Z	4.437	false
2020-01-15T09:45Z	4.452	false
2020-01-15T09:45Z	4.452	false
2020-01-15T09:30Z	4.467	false
2020-01-15T09:30Z	4.467	false
2020-01-15T09:15Z	4.498	false
2020-01-15T09:15Z	4.498	false
2020-01-15T09:00Z	4.523	false
2020-01-15T09:00Z	4.523	false
2020-01-15T08:45Z	4.531	false
2020-01-15T08:45Z	4.531	false
2020-01-15T08:30Z	4.559	false
2020-01-15T08:30Z	4.559	false
2020-01-15T08:15Z	4.602	false
2020-01-15T08:15Z	4.602	false
2020-01-15T08:00Z	4.674	false
2020-01-15T08:00Z	4.674	false
2020-01-15T07:45Z	4.757	false
2020-01-15T07:45Z	4.757	false
2020-01-15T07:30Z	4.856	false
2020-01-15T07:30Z	4.856	false
2020-01-15T07:15Z	4.966	false
2020-01-15T07:15Z	4.966	false
2020-01-15T07:00Z	5.085	false
2020-01-15T07:00Z	5.085	false
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2020-01-13T00:00Z	3.781	false
2020-01-13T00:00Z	3.781	false
2020-01-12T23:45Z	3.776	false
2020-01-12T23:45Z	3.776	false
2020-01-12T23:45Z	3.776	false
2020-01-12T23:45Z	3.776	false
2020-01-12T23:45Z	3.776	false
2020-01-12T23:45Z	3.776	false
2020-01-12T23:30Z	3.772	false
2020-01-12T23:30Z	3.772	false
2020-01-12T23:30Z	3.772	false
2020-01-12T23:30Z	3.772	false
2020-01-12T23:30Z	3.772	false
2020-01-12T23:30Z	3.772	false
2020-01-12T23:15Z	3.768	false
2020-01-12T23:15Z	3.768	false
2020-01-12T23:15Z	3.768	false
2020-01-12T23:15Z	3.768	false
2020-01-12T23:15Z	3.768	false
2020-01-12T23:15Z	3.768	false
2020-01-12T23:00Z	3.758	false
2020-01-12T23:00Z	3.758	false
2020-01-12T23:00Z	3.758	false
2020-01-12T23:00Z	3.758	false
2020-01-12T22:45Z	3.768	false
2020-01-12T22:45Z	3.768	false
2020-01-12T22:45Z	3.768	false
2020-01-12T22:45Z	3.768	false
2020-01-12T22:30Z	3.781	false
2020-01-12T22:30Z	3.781	false
2020-01-12T22:30Z	3.781	false
2020-01-12T22:30Z	3.781	false
2020-01-12T22:15Z	3.792	false
2020-01-12T22:15Z	3.792	false
2020-01-12T22:15Z	3.792	false
2020-01-12T22:15Z	3.792	false
2020-01-12T22:00Z	3.805	false
2020-01-12T22:00Z	3.805	false
2020-01-12T22:00Z	3.805	false
2020-01-12T22:00Z	3.805	false
2020-01-12T21:45Z	3.819	false
2020-01-12T21:45Z	3.819	false
2020-01-12T21:45Z	3.819	false
2020-01-12T21:45Z	3.819	false
2020-01-12T21:30Z	3.833	false
2020-01-12T21:30Z	3.833	false
2020-01-12T21:30Z	3.833	false
2020-01-12T21:30Z	3.833	false
2020-01-12T21:15Z	3.846	false
2020-01-12T21:15Z	3.846	false
2020-01-12T21:15Z	3.846	false
2020-01-12T21:15Z	3.846	false
2020-01-12T21:00Z	3.86	false
2020-01-12T21:00Z	3.86	false
2020-01-12T21:00Z	3.86	false
2020-01-12T21:00Z	3.86	false
2020-01-12T20:45Z	3.869	false
2020-01-12T20:45Z	3.869	false
2020-01-12T20:45Z	3.869	false
2020-01-12T20:45Z	3.869	false
2020-01-12T20:30Z	3.873	false
2020-01-12T20:30Z	3.873	false
2020-01-12T20:30Z	3.873	false
2020-01-12T20:30Z	3.873	false
2020-01-12T20:15Z	3.876	false
2020-01-12T20:15Z	3.876	false
2020-01-12T20:15Z	3.876	false
2020-01-12T20:15Z	3.876	false
2020-01-12T20:00Z	3.863	false
2020-01-12T20:00Z	3.863	false
2020-01-12T20:00Z	3.863	false
2020-01-12T20:00Z	3.863	false
2020-01-12T19:45Z	3.822	false
2020-01-12T19:45Z	3.822	false
2020-01-12T19:45Z	3.822	false
2020-01-12T19:45Z	3.822	false
2020-01-12T19:30Z	3.878	false
2020-01-12T19:30Z	3.878	false
2020-01-12T19:30Z	3.878	false
2020-01-12T19:30Z	3.878	false
2020-01-12T19:15Z	3.945	false
2020-01-12T19:15Z	3.945	false
2020-01-12T19:15Z	3.945	false
2020-01-12T19:15Z	3.945	false
2020-01-12T19:00Z	4.02	false
2020-01-12T19:00Z	4.02	false
2020-01-12T18:45Z	4.107	false
2020-01-12T18:45Z	4.107	false
2020-01-12T18:30Z	4.213	false
2020-01-12T18:30Z	4.213	false
2020-01-12T18:15Z	4.333	false
2020-01-12T18:15Z	4.333	false
2020-01-12T18:00Z	4.47	false
2020-01-12T18:00Z	4.47	false
2020-01-12T17:45Z	4.639	false
2020-01-12T17:45Z	4.639	false
2020-01-12T17:30Z	4.802	false
2020-01-12T17:30Z	4.802	false
2020-01-12T17:15Z	4.994	false
2020-01-12T17:15Z	4.994	false
2020-01-12T17:00Z	5.215	false
2020-01-12T17:00Z	5.215	false
2020-01-12T16:45Z	5.412	false
2020-01-12T16:45Z	5.412	false
2020-01-12T16:30Z	5.626	false
2020-01-12T16:30Z	5.626	false
2020-01-12T16:15Z	5.789	false
2020-01-12T16:15Z	5.789	false
2020-01-12T16:00Z	5.917	false
2020-01-12T16:00Z	5.917	false
2020-01-12T15:45Z	5.928	false
2020-01-12T15:45Z	5.928	false
2020-01-12T15:30Z	5.829	false
2020-01-12T15:30Z	5.829	false
2020-01-12T15:15Z	5.678	false
2020-01-12T15:15Z	5.678	false
2020-01-12T15:00Z	5.414	false
2020-01-12T15:00Z	5.414	false
2020-01-12T14:45Z	5.013	false
2020-01-12T14:45Z	5.013	false
2020-01-12T14:30Z	4.555	false
2020-01-12T14:30Z	4.555	false
2020-01-12T14:15Z	4.005	false
2020-01-12T14:15Z	4.005	false
2020-01-12T14:00Z	3.81	false
2020-01-12T14:00Z	3.81	false
2020-01-12T13:45Z	3.869	false
2020-01-12T13:45Z	3.869	false
2020-01-12T13:30Z	3.827	false
2020-01-12T13:30Z	3.827	false
2020-01-12T13:15Z	3.83	false
2020-01-12T13:15Z	3.83	false

Forecast data

Key information

• Station name: Teddington Lock (downstream)
• Station ID: 7268
• River name: River Thames
• Typical range: 2.97m to 6.00m
• Highest level on record: 6.70m on 23 July 1994
• Site datum: -1.08mAOD (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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