River level Back Delfin at Wholsea Grange

Check for flood warnings in this area

Latest recorded level 0.19m at 5:30am Monday 21 January 2019.

River levels at this location in the last 5 days

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• Measured level
• When the water level reaches 0.32m 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
2019-01-21T05:30Z	0.191	false
2019-01-21T05:15Z	0.191	false
2019-01-21T05:00Z	0.192	false
2019-01-21T04:45Z	0.191	false
2019-01-21T04:30Z	0.193	false
2019-01-21T04:15Z	0.193	false
2019-01-21T04:00Z	0.193	false
2019-01-21T03:45Z	0.194	false
2019-01-21T03:30Z	0.194	false
2019-01-21T03:15Z	0.194	false
2019-01-21T03:00Z	0.194	false
2019-01-21T02:45Z	0.194	false
2019-01-21T02:30Z	0.195	false
2019-01-21T02:15Z	0.195	false
2019-01-21T02:00Z	0.195	false
2019-01-21T01:45Z	0.195	false
2019-01-21T01:30Z	0.195	false
2019-01-21T01:15Z	0.195	false
2019-01-21T01:00Z	0.195	false
2019-01-21T00:45Z	0.195	false
2019-01-21T00:30Z	0.195	false
2019-01-21T00:15Z	0.196	false
2019-01-21T00:00Z	0.196	false
2019-01-20T23:45Z	0.196	false
2019-01-20T23:30Z	0.197	false
2019-01-20T23:15Z	0.196	false
2019-01-20T23:00Z	0.197	false
2019-01-20T22:45Z	0.197	false
2019-01-20T22:30Z	0.197	false
2019-01-20T22:15Z	0.197	false
2019-01-20T22:00Z	0.197	false
2019-01-20T21:45Z	0.197	false
2019-01-20T21:30Z	0.197	false
2019-01-20T21:15Z	0.197	false
2019-01-20T21:00Z	0.197	false
2019-01-20T20:45Z	0.197	false
2019-01-20T20:30Z	0.197	false
2019-01-20T20:15Z	0.197	false
2019-01-20T20:00Z	0.196	false
2019-01-20T19:45Z	0.196	false
2019-01-20T19:30Z	0.196	false
2019-01-20T19:15Z	0.197	false
2019-01-20T19:00Z	0.196	false
2019-01-20T18:45Z	0.196	false
2019-01-20T18:30Z	0.196	false
2019-01-20T18:15Z	0.196	false
2019-01-20T18:00Z	0.196	false
2019-01-20T17:45Z	0.196	false
2019-01-20T17:30Z	0.197	false
2019-01-20T17:15Z	0.197	false
2019-01-20T17:00Z	0.197	false
2019-01-20T16:45Z	0.197	false
2019-01-20T16:30Z	0.198	false
2019-01-20T16:15Z	0.198	false
2019-01-20T16:00Z	0.198	false
2019-01-20T15:45Z	0.198	false
2019-01-20T15:30Z	0.198	false
2019-01-20T15:15Z	0.198	false
2019-01-20T15:00Z	0.198	false
2019-01-20T14:45Z	0.198	false
2019-01-20T14:30Z	0.198	false
2019-01-20T14:15Z	0.198	false
2019-01-20T14:00Z	0.198	false
2019-01-20T13:45Z	0.197	false
2019-01-20T13:30Z	0.197	false
2019-01-20T13:15Z	0.197	false
2019-01-20T13:00Z	0.196	false
2019-01-20T12:45Z	0.195	false
2019-01-20T12:30Z	0.195	false
2019-01-20T12:15Z	0.195	false
2019-01-20T12:00Z	0.194	false
2019-01-20T11:45Z	0.194	false
2019-01-20T11:30Z	0.194	false
2019-01-20T11:15Z	0.194	false
2019-01-20T11:00Z	0.194	false
2019-01-20T10:45Z	0.194	false
2019-01-20T10:30Z	0.194	false
2019-01-20T10:15Z	0.194	false
2019-01-20T10:00Z	0.195	false
2019-01-20T09:45Z	0.195	false
2019-01-20T09:30Z	0.195	false
2019-01-20T09:15Z	0.195	false
2019-01-20T09:00Z	0.195	false
2019-01-20T08:45Z	0.195	false
2019-01-20T08:30Z	0.195	false
2019-01-20T08:15Z	0.195	false
2019-01-20T08:00Z	0.195	false
2019-01-20T07:45Z	0.195	false
2019-01-20T07:30Z	0.195	false
2019-01-20T07:15Z	0.195	false
2019-01-20T07:00Z	0.195	false
2019-01-20T06:45Z	0.196	false
2019-01-20T06:30Z	0.196	false
2019-01-20T06:15Z	0.196	false
2019-01-20T06:00Z	0.197	false
2019-01-20T05:45Z	0.197	false
2019-01-20T05:30Z	0.197	false
2019-01-20T05:15Z	0.197	false
2019-01-20T05:00Z	0.197	false
2019-01-20T04:45Z	0.197	false
2019-01-20T04:30Z	0.198	false
2019-01-20T04:15Z	0.198	false
2019-01-20T04:00Z	0.198	false
2019-01-20T03:45Z	0.198	false
2019-01-20T03:30Z	0.199	false
2019-01-20T03:15Z	0.199	false
2019-01-20T03:00Z	0.199	false
2019-01-20T02:45Z	0.199	false
2019-01-20T02:30Z	0.199	false
2019-01-20T02:15Z	0.199	false
2019-01-20T02:00Z	0.199	false
2019-01-20T01:45Z	0.199	false
2019-01-20T01:30Z	0.199	false
2019-01-20T01:15Z	0.199	false
2019-01-20T01:00Z	0.2	false
2019-01-20T00:45Z	0.2	false
2019-01-20T00:30Z	0.2	false
2019-01-20T00:15Z	0.2	false
2019-01-20T00:00Z	0.2	false
2019-01-19T23:45Z	0.2	false
2019-01-19T23:30Z	0.2	false
2019-01-19T23:15Z	0.2	false
2019-01-19T23:00Z	0.2	false
2019-01-19T22:45Z	0.2	false
2019-01-19T22:30Z	0.2	false
2019-01-19T22:15Z	0.201	false
2019-01-19T22:00Z	0.201	false
2019-01-19T21:45Z	0.201	false
2019-01-19T21:30Z	0.201	false
2019-01-19T21:15Z	0.201	false
2019-01-19T21:00Z	0.201	false
2019-01-19T20:45Z	0.201	false
2019-01-19T20:30Z	0.201	false
2019-01-19T20:15Z	0.201	false
2019-01-19T20:00Z	0.201	false
2019-01-19T19:45Z	0.201	false
2019-01-19T19:30Z	0.201	false
2019-01-19T19:15Z	0.201	false
2019-01-19T19:00Z	0.201	false
2019-01-19T18:45Z	0.201	false
2019-01-19T18:30Z	0.201	false
2019-01-19T18:15Z	0.201	false
2019-01-19T18:00Z	0.201	false
2019-01-19T17:45Z	0.201	false
2019-01-19T17:30Z	0.201	false
2019-01-19T17:15Z	0.201	false
2019-01-19T17:00Z	0.202	false
2019-01-19T16:45Z	0.202	false
2019-01-19T16:30Z	0.202	false
2019-01-19T16:15Z	0.202	false
2019-01-19T16:00Z	0.203	false
2019-01-19T15:45Z	0.203	false
2019-01-19T15:30Z	0.203	false
2019-01-19T15:15Z	0.203	false
2019-01-19T15:00Z	0.203	false
2019-01-19T14:45Z	0.203	false
2019-01-19T14:30Z	0.203	false
2019-01-19T14:15Z	0.203	false
2019-01-19T14:00Z	0.203	false
2019-01-19T13:45Z	0.203	false
2019-01-19T13:30Z	0.203	false
2019-01-19T13:15Z	0.203	false
2019-01-19T13:00Z	0.203	false
2019-01-19T12:45Z	0.203	false
2019-01-19T12:30Z	0.202	false
2019-01-19T12:15Z	0.202	false
2019-01-19T12:00Z	0.202	false
2019-01-19T11:45Z	0.202	false
2019-01-19T11:30Z	0.202	false
2019-01-19T11:15Z	0.203	false
2019-01-19T11:00Z	0.202	false
2019-01-19T10:45Z	0.202	false
2019-01-19T10:30Z	0.203	false
2019-01-19T10:15Z	0.203	false
2019-01-19T10:00Z	0.203	false
2019-01-19T09:45Z	0.203	false
2019-01-19T09:30Z	0.204	false
2019-01-19T09:15Z	0.205	false
2019-01-19T09:00Z	0.205	false
2019-01-19T08:45Z	0.205	false
2019-01-19T08:30Z	0.206	false
2019-01-19T08:15Z	0.206	false
2019-01-19T08:00Z	0.206	false
2019-01-19T07:45Z	0.207	false
2019-01-19T07:30Z	0.207	false
2019-01-19T07:15Z	0.207	false
2019-01-19T07:00Z	0.208	false
2019-01-19T06:45Z	0.209	false
2019-01-19T06:30Z	0.209	false
2019-01-19T06:15Z	0.21	false
2019-01-19T06:00Z	0.21	false
2019-01-19T05:45Z	0.211	false
2019-01-19T05:30Z	0.211	false
2019-01-19T05:15Z	0.21	false
2019-01-19T05:00Z	0.209	false
2019-01-19T04:45Z	0.208	false
2019-01-19T04:30Z	0.208	false
2019-01-19T04:15Z	0.209	false
2019-01-19T04:00Z	0.21	false
2019-01-19T03:45Z	0.211	false
2019-01-19T03:30Z	0.213	false
2019-01-19T03:15Z	0.214	false
2019-01-19T03:00Z	0.214	false
2019-01-19T02:45Z	0.215	false
2019-01-19T02:30Z	0.216	false
2019-01-19T02:15Z	0.215	false
2019-01-19T02:00Z	0.214	false
2019-01-19T01:45Z	0.211	false
2019-01-19T01:30Z	0.207	false
2019-01-19T01:15Z	0.203	false
2019-01-19T01:00Z	0.2	false
2019-01-19T00:45Z	0.199	false
2019-01-19T00:30Z	0.198	false
2019-01-19T00:15Z	0.198	false
2019-01-19T00:00Z	0.197	false
2019-01-18T23:45Z	0.196	false
2019-01-18T23:30Z	0.197	false
2019-01-18T23:15Z	0.195	false
2019-01-18T23:00Z	0.195	false
2019-01-18T22:45Z	0.195	false
2019-01-18T22:30Z	0.195	false
2019-01-18T22:15Z	0.194	false
2019-01-18T22:00Z	0.194	false
2019-01-18T21:45Z	0.191	false
2019-01-18T21:30Z	0.191	false
2019-01-18T21:15Z	0.192	false
2019-01-18T21:00Z	0.191	false
2019-01-18T20:45Z	0.191	false
2019-01-18T20:30Z	0.191	false
2019-01-18T20:15Z	0.191	false
2019-01-18T20:00Z	0.19	false
2019-01-18T19:45Z	0.19	false
2019-01-18T19:30Z	0.19	false
2019-01-18T19:15Z	0.19	false
2019-01-18T19:00Z	0.19	false
2019-01-18T18:45Z	0.19	false
2019-01-18T18:30Z	0.19	false
2019-01-18T18:15Z	0.19	false
2019-01-18T18:00Z	0.19	false
2019-01-18T17:45Z	0.19	false
2019-01-18T17:30Z	0.19	false
2019-01-18T17:15Z	0.191	false
2019-01-18T17:00Z	0.19	false
2019-01-18T16:45Z	0.19	false
2019-01-18T16:30Z	0.19	false
2019-01-18T16:15Z	0.191	false
2019-01-18T16:00Z	0.191	false
2019-01-18T15:45Z	0.191	false
2019-01-18T15:30Z	0.191	false
2019-01-18T15:15Z	0.191	false
2019-01-18T15:00Z	0.191	false
2019-01-18T14:45Z	0.191	false
2019-01-18T14:30Z	0.191	false
2019-01-18T14:15Z	0.191	false
2019-01-18T14:00Z	0.191	false
2019-01-18T13:45Z	0.191	false
2019-01-18T13:30Z	0.191	false
2019-01-18T13:15Z	0.191	false
2019-01-18T13:00Z	0.191	false
2019-01-18T12:45Z	0.191	false
2019-01-18T12:30Z	0.191	false
2019-01-18T12:15Z	0.191	false
2019-01-18T12:00Z	0.191	false
2019-01-18T11:45Z	0.19	false
2019-01-18T11:30Z	0.19	false
2019-01-18T11:15Z	0.19	false
2019-01-18T11:00Z	0.189	false
2019-01-18T10:45Z	0.189	false
2019-01-18T10:30Z	0.189	false
2019-01-18T10:15Z	0.188	false
2019-01-18T10:00Z	0.187	false
2019-01-18T09:45Z	0.187	false
2019-01-18T09:30Z	0.187	false
2019-01-18T09:15Z	0.187	false
2019-01-18T09:00Z	0.187	false
2019-01-18T08:45Z	0.187	false
2019-01-18T08:30Z	0.187	false
2019-01-18T08:15Z	0.188	false
2019-01-18T08:00Z	0.188	false
2019-01-18T07:45Z	0.188	false
2019-01-18T07:30Z	0.188	false
2019-01-18T07:15Z	0.189	false
2019-01-18T07:00Z	0.189	false
2019-01-18T06:45Z	0.189	false
2019-01-18T06:30Z	0.189	false
2019-01-18T06:15Z	0.189	false
2019-01-18T06:00Z	0.189	false
2019-01-18T05:45Z	0.189	false
2019-01-18T05:30Z	0.189	false
2019-01-18T05:15Z	0.189	false
2019-01-18T05:00Z	0.189	false
2019-01-18T04:45Z	0.189	false
2019-01-18T04:30Z	0.189	false
2019-01-18T04:15Z	0.189	false
2019-01-18T04:00Z	0.19	false
2019-01-18T03:45Z	0.19	false
2019-01-18T03:30Z	0.19	false
2019-01-18T03:15Z	0.19	false
2019-01-18T03:00Z	0.19	false
2019-01-18T02:45Z	0.191	false
2019-01-18T02:30Z	0.191	false
2019-01-18T02:15Z	0.191	false
2019-01-18T02:00Z	0.191	false
2019-01-18T01:45Z	0.192	false
2019-01-18T01:30Z	0.192	false
2019-01-18T01:15Z	0.192	false
2019-01-18T01:00Z	0.192	false
2019-01-18T00:45Z	0.193	false
2019-01-18T00:30Z	0.192	false
2019-01-18T00:15Z	0.193	false
2019-01-18T00:00Z	0.193	false
2019-01-17T23:45Z	0.193	false
2019-01-17T23:30Z	0.193	false
2019-01-17T23:15Z	0.193	false
2019-01-17T23:00Z	0.193	false
2019-01-17T22:45Z	0.192	false
2019-01-17T22:30Z	0.193	false
2019-01-17T22:15Z	0.192	false
2019-01-17T22:00Z	0.192	false
2019-01-17T21:45Z	0.191	false
2019-01-17T21:30Z	0.191	false
2019-01-17T21:15Z	0.191	false
2019-01-17T21:00Z	0.191	false
2019-01-17T20:45Z	0.191	false
2019-01-17T20:30Z	0.191	false
2019-01-17T20:15Z	0.191	false
2019-01-17T20:00Z	0.191	false
2019-01-17T19:45Z	0.191	false
2019-01-17T19:30Z	0.191	false
2019-01-17T19:15Z	0.192	false
2019-01-17T19:00Z	0.192	false
2019-01-17T18:45Z	0.192	false
2019-01-17T18:30Z	0.192	false
2019-01-17T18:15Z	0.193	false
2019-01-17T18:00Z	0.193	false
2019-01-17T17:45Z	0.193	false
2019-01-17T17:30Z	0.193	false
2019-01-17T17:15Z	0.193	false
2019-01-17T17:00Z	0.193	false
2019-01-17T16:45Z	0.193	false
2019-01-17T16:30Z	0.194	false
2019-01-17T16:15Z	0.193	false
2019-01-17T16:00Z	0.194	false
2019-01-17T15:45Z	0.194	false
2019-01-17T15:30Z	0.195	false
2019-01-17T15:15Z	0.195	false
2019-01-17T15:00Z	0.194	false
2019-01-17T14:45Z	0.195	false
2019-01-17T14:30Z	0.197	false
2019-01-17T14:15Z	0.196	false
2019-01-17T14:00Z	0.195	false
2019-01-17T13:45Z	0.196	false
2019-01-17T13:30Z	0.197	false
2019-01-17T13:15Z	0.197	false
2019-01-17T13:00Z	0.196	false
2019-01-17T12:45Z	0.195	false
2019-01-17T12:30Z	0.197	false
2019-01-17T12:15Z	0.196	false
2019-01-17T12:00Z	0.195	false
2019-01-17T11:45Z	0.196	false
2019-01-17T11:30Z	0.195	false
2019-01-17T11:15Z	0.193	false
2019-01-17T11:00Z	0.195	false
2019-01-17T10:45Z	0.195	false
2019-01-17T10:30Z	0.195	false
2019-01-17T10:15Z	0.194	false
2019-01-17T10:00Z	0.195	false
2019-01-17T09:45Z	0.194	false
2019-01-17T09:30Z	0.194	false
2019-01-17T09:15Z	0.194	false
2019-01-17T09:00Z	0.194	false
2019-01-17T08:45Z	0.194	false
2019-01-17T08:30Z	0.194	false
2019-01-17T08:15Z	0.194	false
2019-01-17T08:00Z	0.195	false
2019-01-17T07:45Z	0.195	false
2019-01-17T07:30Z	0.194	false
2019-01-17T07:15Z	0.194	false
2019-01-17T07:00Z	0.195	false
2019-01-17T06:45Z	0.195	false
2019-01-17T06:30Z	0.197	false
2019-01-17T06:15Z	0.195	false
2019-01-17T06:00Z	0.195	false
2019-01-17T05:45Z	0.195	false
2019-01-17T05:30Z	0.196	false
2019-01-17T05:15Z	0.197	false
2019-01-17T05:00Z	0.198	false
2019-01-17T04:45Z	0.198	false
2019-01-17T04:30Z	0.198	false
2019-01-17T04:15Z	0.198	false
2019-01-17T04:00Z	0.199	false
2019-01-17T03:45Z	0.198	false
2019-01-17T03:30Z	0.2	false
2019-01-17T03:15Z	0.199	false
2019-01-17T03:00Z	0.199	false
2019-01-17T02:45Z	0.199	false
2019-01-17T02:30Z	0.199	false
2019-01-17T02:15Z	0.2	false
2019-01-17T02:00Z	0.199	false
2019-01-17T01:45Z	0.2	false
2019-01-17T01:30Z	0.2	false
2019-01-17T01:15Z	0.201	false
2019-01-17T01:00Z	0.201	false
2019-01-17T00:45Z	0.201	false
2019-01-17T00:30Z	0.201	false
2019-01-17T00:15Z	0.201	false
2019-01-17T00:00Z	0.202	false
2019-01-16T23:45Z	0.201	false
2019-01-16T23:30Z	0.202	false
2019-01-16T23:15Z	0.201	false
2019-01-16T23:00Z	0.201	false
2019-01-16T22:45Z	0.201	false
2019-01-16T22:30Z	0.201	false
2019-01-16T22:15Z	0.201	false
2019-01-16T22:00Z	0.201	false
2019-01-16T21:45Z	0.201	false
2019-01-16T21:30Z	0.201	false
2019-01-16T21:15Z	0.2	false
2019-01-16T21:00Z	0.201	false
2019-01-16T20:45Z	0.201	false
2019-01-16T20:30Z	0.2	false
2019-01-16T20:15Z	0.2	false
2019-01-16T20:00Z	0.201	false
2019-01-16T19:45Z	0.2	false
2019-01-16T19:30Z	0.2	false
2019-01-16T19:15Z	0.201	false
2019-01-16T19:00Z	0.2	false
2019-01-16T18:45Z	0.2	false
2019-01-16T18:30Z	0.201	false
2019-01-16T18:15Z	0.2	false
2019-01-16T18:00Z	0.201	false
2019-01-16T17:45Z	0.201	false
2019-01-16T17:30Z	0.201	false
2019-01-16T17:15Z	0.201	false
2019-01-16T17:00Z	0.201	false
2019-01-16T16:45Z	0.201	false
2019-01-16T16:30Z	0.201	false
2019-01-16T16:15Z	0.201	false
2019-01-16T16:00Z	0.201	false
2019-01-16T15:45Z	0.201	false
2019-01-16T15:30Z	0.201	false
2019-01-16T15:15Z	0.201	false
2019-01-16T15:00Z	0.201	false
2019-01-16T14:45Z	0.202	false
2019-01-16T14:30Z	0.202	false
2019-01-16T14:15Z	0.202	false
2019-01-16T14:00Z	0.201	false
2019-01-16T13:45Z	0.202	false
2019-01-16T13:30Z	0.202	false
2019-01-16T13:15Z	0.202	false
2019-01-16T13:00Z	0.202	false
2019-01-16T12:45Z	0.202	false
2019-01-16T12:30Z	0.202	false
2019-01-16T12:15Z	0.202	false
2019-01-16T12:00Z	0.202	false
2019-01-16T11:45Z	0.202	false
2019-01-16T11:30Z	0.201	false
2019-01-16T11:15Z	0.202	false
2019-01-16T11:00Z	0.201	false
2019-01-16T10:45Z	0.2	false
2019-01-16T10:30Z	0.2	false
2019-01-16T10:15Z	0.2	false
2019-01-16T10:00Z	0.199	false
2019-01-16T09:45Z	0.198	false
2019-01-16T09:30Z	0.199	false
2019-01-16T09:15Z	0.198	false
2019-01-16T09:00Z	0.198	false
2019-01-16T08:45Z	0.198	false
2019-01-16T08:30Z	0.198	false
2019-01-16T08:15Z	0.198	false
2019-01-16T08:00Z	0.198	false
2019-01-16T07:45Z	0.198	false
2019-01-16T07:30Z	0.198	false
2019-01-16T07:15Z	0.198	false
2019-01-16T07:00Z	0.198	false
2019-01-16T06:45Z	0.198	false
2019-01-16T06:30Z	0.198	false
2019-01-16T06:15Z	0.199	false
2019-01-16T06:00Z	0.199	false
2019-01-16T05:45Z	0.199	false

Forecast data

Key information

• Station name: Wholsea Grange
• Station ID: 9147
• River name: Back Delfin
• Typical range: 0.09m to 0.32m
• Highest level on record: 1.11m on 08 November 2000
• Site datum: 0.85mAOD (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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