River level Back Delfin at Wholsea Grange

Check for flood warnings in this area

Latest recorded level 0.11m at 6:30pm Monday 2 August 2021.

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
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Observed data

DateTime	Value	Error
2021-08-02T17:30Z	0.114	false
2021-08-02T17:15Z	0.114	false
2021-08-02T17:00Z	0.114	false
2021-08-02T16:45Z	0.114	false
2021-08-02T16:30Z	0.114	false
2021-08-02T16:15Z	0.114	false
2021-08-02T16:00Z	0.114	false
2021-08-02T15:45Z	0.115	false
2021-08-02T15:30Z	0.115	false
2021-08-02T15:15Z	0.115	false
2021-08-02T15:00Z	0.115	false
2021-08-02T14:45Z	0.115	false
2021-08-02T14:30Z	0.115	false
2021-08-02T14:15Z	0.116	false
2021-08-02T14:00Z	0.116	false
2021-08-02T13:45Z	0.116	false
2021-08-02T13:30Z	0.116	false
2021-08-02T13:15Z	0.116	false
2021-08-02T13:00Z	0.116	false
2021-08-02T12:45Z	0.116	false
2021-08-02T12:30Z	0.116	false
2021-08-02T12:15Z	0.116	false
2021-08-02T12:00Z	0.116	false
2021-08-02T11:45Z	0.116	false
2021-08-02T11:30Z	0.117	false
2021-08-02T11:15Z	0.117	false
2021-08-02T11:00Z	0.117	false
2021-08-02T10:45Z	0.117	false
2021-08-02T10:30Z	0.117	false
2021-08-02T10:15Z	0.117	false
2021-08-02T10:00Z	0.117	false
2021-08-02T09:45Z	0.117	false
2021-08-02T09:30Z	0.117	false
2021-08-02T09:15Z	0.117	false
2021-08-02T09:00Z	0.117	false
2021-08-02T08:45Z	0.117	false
2021-08-02T08:30Z	0.117	false
2021-08-02T08:15Z	0.117	false
2021-08-02T08:00Z	0.117	false
2021-08-02T07:45Z	0.117	false
2021-08-02T07:30Z	0.117	false
2021-08-02T07:15Z	0.117	false
2021-08-02T07:00Z	0.117	false
2021-08-02T06:45Z	0.117	false
2021-08-02T06:30Z	0.117	false
2021-08-02T06:15Z	0.117	false
2021-08-02T06:00Z	0.117	false
2021-08-02T05:45Z	0.117	false
2021-08-02T05:30Z	0.117	false
2021-08-02T05:15Z	0.117	false
2021-08-02T05:00Z	0.117	false
2021-08-02T04:45Z	0.117	false
2021-08-02T04:30Z	0.117	false
2021-08-02T04:15Z	0.117	false
2021-08-02T04:00Z	0.117	false
2021-08-02T03:45Z	0.117	false
2021-08-02T03:30Z	0.117	false
2021-08-02T03:15Z	0.117	false
2021-08-02T03:00Z	0.117	false
2021-08-02T02:45Z	0.117	false
2021-08-02T02:30Z	0.117	false
2021-08-02T02:15Z	0.117	false
2021-08-02T02:00Z	0.117	false
2021-08-02T01:45Z	0.117	false
2021-08-02T01:30Z	0.117	false
2021-08-02T01:15Z	0.117	false
2021-08-02T01:00Z	0.117	false
2021-08-02T00:45Z	0.117	false
2021-08-02T00:30Z	0.117	false
2021-08-02T00:15Z	0.117	false
2021-08-02T00:00Z	0.117	false
2021-08-01T23:45Z	0.117	false
2021-08-01T23:30Z	0.117	false
2021-08-01T23:15Z	0.117	false
2021-08-01T23:00Z	0.117	false
2021-08-01T22:45Z	0.117	false
2021-08-01T22:30Z	0.117	false
2021-08-01T22:15Z	0.117	false
2021-08-01T22:00Z	0.117	false
2021-08-01T21:45Z	0.117	false
2021-08-01T21:30Z	0.116	false
2021-08-01T21:15Z	0.117	false
2021-08-01T21:00Z	0.117	false
2021-08-01T20:45Z	0.117	false
2021-08-01T20:30Z	0.117	false
2021-08-01T20:15Z	0.117	false
2021-08-01T20:00Z	0.117	false
2021-08-01T19:45Z	0.117	false
2021-08-01T19:30Z	0.117	false
2021-08-01T19:15Z	0.117	false
2021-08-01T19:00Z	0.117	false
2021-08-01T18:45Z	0.117	false
2021-08-01T18:30Z	0.118	false
2021-08-01T18:15Z	0.118	false
2021-08-01T18:00Z	0.118	false
2021-08-01T17:45Z	0.118	false
2021-08-01T17:30Z	0.118	false
2021-08-01T17:15Z	0.118	false
2021-08-01T17:00Z	0.118	false
2021-08-01T16:45Z	0.119	false
2021-08-01T16:30Z	0.119	false
2021-08-01T16:15Z	0.119	false
2021-08-01T16:00Z	0.119	false
2021-08-01T15:45Z	0.12	false
2021-08-01T15:30Z	0.12	false
2021-08-01T15:15Z	0.12	false
2021-08-01T15:00Z	0.12	false
2021-08-01T14:45Z	0.12	false
2021-08-01T14:30Z	0.12	false
2021-08-01T14:15Z	0.121	false
2021-08-01T14:00Z	0.121	false
2021-08-01T13:45Z	0.121	false
2021-08-01T13:30Z	0.121	false
2021-08-01T13:15Z	0.121	false
2021-08-01T13:00Z	0.122	false
2021-08-01T12:45Z	0.122	false
2021-08-01T12:30Z	0.122	false
2021-08-01T12:15Z	0.122	false
2021-08-01T12:00Z	0.122	false
2021-08-01T11:45Z	0.122	false
2021-08-01T11:30Z	0.123	false
2021-08-01T11:15Z	0.123	false
2021-08-01T11:00Z	0.123	false
2021-08-01T10:45Z	0.124	false
2021-08-01T10:30Z	0.124	false
2021-08-01T10:15Z	0.124	false
2021-08-01T10:00Z	0.124	false
2021-08-01T09:45Z	0.124	false
2021-08-01T09:30Z	0.125	false
2021-08-01T09:15Z	0.125	false
2021-08-01T09:00Z	0.125	false
2021-08-01T08:45Z	0.125	false
2021-08-01T08:30Z	0.125	false
2021-08-01T08:15Z	0.126	false
2021-08-01T08:00Z	0.126	false
2021-08-01T07:45Z	0.126	false
2021-08-01T07:30Z	0.126	false
2021-08-01T07:15Z	0.127	false
2021-08-01T07:00Z	0.127	false
2021-08-01T06:45Z	0.127	false
2021-08-01T06:30Z	0.128	false
2021-08-01T06:15Z	0.128	false
2021-08-01T06:00Z	0.128	false
2021-08-01T05:45Z	0.128	false
2021-08-01T05:30Z	0.129	false
2021-08-01T05:15Z	0.129	false
2021-08-01T05:00Z	0.129	false
2021-08-01T04:45Z	0.13	false
2021-08-01T04:30Z	0.13	false
2021-08-01T04:15Z	0.13	false
2021-08-01T04:00Z	0.131	false
2021-08-01T03:45Z	0.131	false
2021-08-01T03:30Z	0.131	false
2021-08-01T03:15Z	0.132	false
2021-08-01T03:00Z	0.132	false
2021-08-01T02:45Z	0.133	false
2021-08-01T02:30Z	0.133	false
2021-08-01T02:15Z	0.133	false
2021-08-01T02:00Z	0.134	false
2021-08-01T01:45Z	0.134	false
2021-08-01T01:30Z	0.134	false
2021-08-01T01:15Z	0.134	false
2021-08-01T01:00Z	0.135	false
2021-08-01T00:45Z	0.135	false
2021-08-01T00:30Z	0.136	false
2021-08-01T00:15Z	0.136	false
2021-08-01T00:00Z	0.136	false
2021-07-31T23:45Z	0.136	false
2021-07-31T23:30Z	0.137	false
2021-07-31T23:15Z	0.137	false
2021-07-31T23:00Z	0.137	false
2021-07-31T22:45Z	0.138	false
2021-07-31T22:30Z	0.138	false
2021-07-31T22:15Z	0.138	false
2021-07-31T22:00Z	0.139	false
2021-07-31T21:45Z	0.139	false
2021-07-31T21:30Z	0.139	false
2021-07-31T21:15Z	0.14	false
2021-07-31T21:00Z	0.14	false
2021-07-31T20:45Z	0.14	false
2021-07-31T20:30Z	0.141	false
2021-07-31T20:15Z	0.141	false
2021-07-31T20:00Z	0.141	false
2021-07-31T19:45Z	0.142	false
2021-07-31T19:30Z	0.142	false
2021-07-31T19:15Z	0.142	false
2021-07-31T19:00Z	0.143	false
2021-07-31T18:45Z	0.143	false
2021-07-31T18:30Z	0.144	false
2021-07-31T18:15Z	0.144	false
2021-07-31T18:00Z	0.144	false
2021-07-31T17:45Z	0.145	false
2021-07-31T17:30Z	0.145	false
2021-07-31T17:15Z	0.145	false
2021-07-31T17:00Z	0.146	false
2021-07-31T16:45Z	0.146	false
2021-07-31T16:30Z	0.146	false
2021-07-31T16:15Z	0.146	false
2021-07-31T16:00Z	0.146	false
2021-07-31T15:45Z	0.147	false
2021-07-31T15:30Z	0.147	false
2021-07-31T15:15Z	0.147	false
2021-07-31T15:00Z	0.147	false
2021-07-31T14:45Z	0.147	false
2021-07-31T14:30Z	0.148	false
2021-07-31T14:15Z	0.148	false
2021-07-31T14:00Z	0.148	false
2021-07-31T13:45Z	0.148	false
2021-07-31T13:30Z	0.148	false
2021-07-31T13:15Z	0.148	false
2021-07-31T13:00Z	0.148	false
2021-07-31T12:45Z	0.148	false
2021-07-31T12:30Z	0.148	false
2021-07-31T12:15Z	0.148	false
2021-07-31T12:00Z	0.148	false
2021-07-31T11:45Z	0.148	false
2021-07-31T11:30Z	0.148	false
2021-07-31T11:15Z	0.148	false
2021-07-31T11:00Z	0.148	false
2021-07-31T10:45Z	0.148	false
2021-07-31T10:30Z	0.147	false
2021-07-31T10:15Z	0.147	false
2021-07-31T10:00Z	0.147	false
2021-07-31T09:45Z	0.147	false
2021-07-31T09:30Z	0.147	false
2021-07-31T09:15Z	0.147	false
2021-07-31T09:00Z	0.147	false
2021-07-31T08:45Z	0.146	false
2021-07-31T08:30Z	0.147	false
2021-07-31T08:15Z	0.146	false
2021-07-31T08:00Z	0.146	false
2021-07-31T07:45Z	0.146	false
2021-07-31T07:30Z	0.147	false
2021-07-31T07:15Z	0.146	false
2021-07-31T07:00Z	0.147	false
2021-07-31T06:45Z	0.147	false
2021-07-31T06:30Z	0.147	false
2021-07-31T06:15Z	0.147	false
2021-07-31T06:00Z	0.147	false
2021-07-31T05:45Z	0.147	false
2021-07-31T05:30Z	0.147	false
2021-07-31T05:15Z	0.147	false
2021-07-31T05:00Z	0.147	false
2021-07-31T04:45Z	0.147	false
2021-07-31T04:30Z	0.147	false
2021-07-31T04:15Z	0.147	false
2021-07-31T04:00Z	0.147	false
2021-07-31T03:45Z	0.146	false
2021-07-31T03:30Z	0.146	false
2021-07-31T03:15Z	0.146	false
2021-07-31T03:00Z	0.145	false
2021-07-31T02:45Z	0.145	false
2021-07-31T02:30Z	0.145	false
2021-07-31T02:15Z	0.144	false
2021-07-31T02:00Z	0.144	false
2021-07-31T01:45Z	0.143	false
2021-07-31T01:30Z	0.142	false
2021-07-31T01:15Z	0.141	false
2021-07-31T01:00Z	0.141	false
2021-07-31T00:45Z	0.139	false
2021-07-31T00:30Z	0.138	false
2021-07-31T00:15Z	0.137	false
2021-07-31T00:00Z	0.136	false
2021-07-30T23:45Z	0.135	false
2021-07-30T23:30Z	0.133	false
2021-07-30T23:15Z	0.132	false
2021-07-30T23:00Z	0.13	false
2021-07-30T22:45Z	0.129	false
2021-07-30T22:30Z	0.128	false
2021-07-30T22:15Z	0.126	false
2021-07-30T22:00Z	0.124	false
2021-07-30T21:45Z	0.122	false
2021-07-30T21:30Z	0.121	false
2021-07-30T21:15Z	0.12	false
2021-07-30T21:00Z	0.118	false
2021-07-30T20:45Z	0.117	false
2021-07-30T20:30Z	0.115	false
2021-07-30T20:15Z	0.114	false
2021-07-30T20:00Z	0.113	false
2021-07-30T19:45Z	0.112	false
2021-07-30T19:30Z	0.112	false
2021-07-30T19:15Z	0.11	false
2021-07-30T19:00Z	0.11	false
2021-07-30T18:45Z	0.109	false
2021-07-30T18:30Z	0.109	false
2021-07-30T18:15Z	0.108	false
2021-07-30T18:00Z	0.108	false
2021-07-30T17:45Z	0.108	false
2021-07-30T17:30Z	0.107	false
2021-07-30T17:15Z	0.107	false
2021-07-30T17:00Z	0.107	false
2021-07-30T16:45Z	0.107	false
2021-07-30T16:30Z	0.106	false
2021-07-30T16:15Z	0.107	false
2021-07-30T16:00Z	0.106	false
2021-07-30T15:45Z	0.106	false
2021-07-30T15:30Z	0.106	false
2021-07-30T15:15Z	0.106	false
2021-07-30T15:00Z	0.106	false
2021-07-30T14:45Z	0.106	false
2021-07-30T14:30Z	0.106	false
2021-07-30T14:15Z	0.106	false
2021-07-30T14:00Z	0.105	false
2021-07-30T13:45Z	0.105	false
2021-07-30T13:30Z	0.105	false
2021-07-30T13:15Z	0.105	false
2021-07-30T13:00Z	0.105	false
2021-07-30T12:45Z	0.105	false
2021-07-30T12:30Z	0.105	false
2021-07-30T12:15Z	0.105	false
2021-07-30T12:00Z	0.105	false
2021-07-30T11:45Z	0.105	false
2021-07-30T11:30Z	0.105	false
2021-07-30T11:15Z	0.105	false
2021-07-30T11:00Z	0.106	false
2021-07-30T10:45Z	0.106	false
2021-07-30T10:30Z	0.106	false
2021-07-30T10:15Z	0.106	false
2021-07-30T10:00Z	0.106	false
2021-07-30T09:45Z	0.106	false
2021-07-30T09:30Z	0.106	false
2021-07-30T09:15Z	0.105	false
2021-07-30T09:00Z	0.105	false
2021-07-30T08:45Z	0.105	false
2021-07-30T08:30Z	0.105	false
2021-07-30T08:15Z	0.105	false
2021-07-30T08:00Z	0.105	false
2021-07-30T07:45Z	0.105	false
2021-07-30T07:30Z	0.105	false
2021-07-30T07:15Z	0.105	false
2021-07-30T07:00Z	0.106	false
2021-07-30T06:45Z	0.106	false
2021-07-30T06:30Z	0.106	false
2021-07-30T06:15Z	0.106	false
2021-07-30T06:00Z	0.106	false
2021-07-30T05:45Z	0.106	false
2021-07-30T05:30Z	0.107	false
2021-07-30T05:15Z	0.107	false
2021-07-30T05:00Z	0.107	false
2021-07-30T04:45Z	0.108	false
2021-07-30T04:30Z	0.108	false
2021-07-30T04:15Z	0.108	false
2021-07-30T04:00Z	0.108	false
2021-07-30T03:45Z	0.109	false
2021-07-30T03:30Z	0.109	false
2021-07-30T03:15Z	0.109	false
2021-07-30T03:00Z	0.109	false
2021-07-30T02:45Z	0.109	false
2021-07-30T02:30Z	0.11	false
2021-07-30T02:15Z	0.11	false
2021-07-30T02:00Z	0.11	false
2021-07-30T01:45Z	0.11	false
2021-07-30T01:30Z	0.111	false
2021-07-30T01:15Z	0.111	false
2021-07-30T01:00Z	0.112	false
2021-07-30T00:45Z	0.112	false
2021-07-30T00:30Z	0.112	false
2021-07-30T00:15Z	0.112	false
2021-07-30T00:00Z	0.112	false
2021-07-29T23:45Z	0.113	false
2021-07-29T23:30Z	0.113	false
2021-07-29T23:15Z	0.113	false
2021-07-29T23:00Z	0.114	false
2021-07-29T22:45Z	0.114	false
2021-07-29T22:30Z	0.114	false
2021-07-29T22:15Z	0.114	false
2021-07-29T22:00Z	0.114	false
2021-07-29T21:45Z	0.115	false
2021-07-29T21:30Z	0.115	false
2021-07-29T21:15Z	0.115	false
2021-07-29T21:00Z	0.116	false
2021-07-29T20:45Z	0.116	false
2021-07-29T20:30Z	0.116	false
2021-07-29T20:15Z	0.117	false
2021-07-29T20:00Z	0.117	false
2021-07-29T19:45Z	0.117	false
2021-07-29T19:30Z	0.118	false
2021-07-29T19:15Z	0.118	false
2021-07-29T19:00Z	0.119	false
2021-07-29T18:45Z	0.12	false
2021-07-29T18:30Z	0.12	false
2021-07-29T18:15Z	0.12	false
2021-07-29T18:00Z	0.12	false
2021-07-29T17:45Z	0.121	false
2021-07-29T17:30Z	0.121	false
2021-07-29T17:15Z	0.122	false
2021-07-29T17:00Z	0.122	false
2021-07-29T16:45Z	0.122	false
2021-07-29T16:30Z	0.122	false
2021-07-29T16:15Z	0.122	false
2021-07-29T16:00Z	0.123	false
2021-07-29T15:45Z	0.123	false
2021-07-29T15:30Z	0.123	false
2021-07-29T15:15Z	0.123	false
2021-07-29T15:00Z	0.123	false
2021-07-29T14:45Z	0.123	false
2021-07-29T14:30Z	0.124	false
2021-07-29T14:15Z	0.123	false
2021-07-29T14:00Z	0.124	false
2021-07-29T13:45Z	0.123	false
2021-07-29T13:30Z	0.124	false
2021-07-29T13:15Z	0.123	false
2021-07-29T13:00Z	0.123	false
2021-07-29T12:45Z	0.123	false
2021-07-29T12:30Z	0.123	false
2021-07-29T12:15Z	0.123	false
2021-07-29T12:00Z	0.123	false
2021-07-29T11:45Z	0.123	false
2021-07-29T11:30Z	0.123	false
2021-07-29T11:15Z	0.122	false
2021-07-29T11:00Z	0.123	false
2021-07-29T10:45Z	0.122	false
2021-07-29T10:30Z	0.122	false
2021-07-29T10:15Z	0.121	false
2021-07-29T10:00Z	0.122	false
2021-07-29T09:45Z	0.122	false
2021-07-29T09:30Z	0.122	false
2021-07-29T09:15Z	0.122	false
2021-07-29T09:00Z	0.122	false
2021-07-29T08:45Z	0.121	false
2021-07-29T08:30Z	0.121	false
2021-07-29T08:15Z	0.121	false
2021-07-29T08:00Z	0.121	false
2021-07-29T07:45Z	0.12	false
2021-07-29T07:30Z	0.121	false
2021-07-29T07:15Z	0.12	false
2021-07-29T07:00Z	0.12	false
2021-07-29T06:45Z	0.12	false
2021-07-29T06:30Z	0.12	false
2021-07-29T06:15Z	0.12	false
2021-07-29T06:00Z	0.12	false
2021-07-29T05:45Z	0.12	false
2021-07-29T05:30Z	0.12	false
2021-07-29T05:15Z	0.12	false
2021-07-29T05:00Z	0.119	false
2021-07-29T04:45Z	0.119	false
2021-07-29T04:30Z	0.119	false
2021-07-29T04:15Z	0.119	false
2021-07-29T04:00Z	0.119	false
2021-07-29T03:45Z	0.119	false
2021-07-29T03:30Z	0.118	false
2021-07-29T03:15Z	0.118	false
2021-07-29T03:00Z	0.118	false
2021-07-29T02:45Z	0.118	false
2021-07-29T02:30Z	0.118	false
2021-07-29T02:15Z	0.118	false
2021-07-29T02:00Z	0.118	false
2021-07-29T01:45Z	0.118	false
2021-07-29T01:30Z	0.118	false
2021-07-29T01:15Z	0.118	false
2021-07-29T01:00Z	0.118	false
2021-07-29T00:45Z	0.118	false
2021-07-29T00:30Z	0.118	false
2021-07-29T00:15Z	0.118	false
2021-07-29T00:00Z	0.118	false
2021-07-28T23:45Z	0.118	false
2021-07-28T23:30Z	0.118	false
2021-07-28T23:15Z	0.118	false
2021-07-28T23:00Z	0.118	false
2021-07-28T22:45Z	0.118	false
2021-07-28T22:30Z	0.118	false
2021-07-28T22:15Z	0.118	false
2021-07-28T22:00Z	0.117	false
2021-07-28T21:45Z	0.117	false
2021-07-28T21:30Z	0.118	false
2021-07-28T21:15Z	0.117	false
2021-07-28T21:00Z	0.117	false
2021-07-28T20:45Z	0.117	false
2021-07-28T20:30Z	0.117	false
2021-07-28T20:15Z	0.117	false
2021-07-28T20:00Z	0.117	false
2021-07-28T19:45Z	0.117	false
2021-07-28T19:30Z	0.118	false
2021-07-28T19:15Z	0.118	false
2021-07-28T19:00Z	0.118	false
2021-07-28T18:45Z	0.118	false
2021-07-28T18:30Z	0.118	false
2021-07-28T18:15Z	0.118	false
2021-07-28T18:00Z	0.118	false
2021-07-28T17:45Z	0.118	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
• Check the long term flood risk for an area in England.

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