National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.
Second Severn Crossing
Tide Levels and HarmonicsLatest Tide Data (Predicted Tide Table)
| Time (GMT) | Elevation | Residual |
|---|---|---|
| 08-11-2025 16:20 | 1.87 | 0.14 |
| Next HW | Next LW |
|---|---|
| 21:14, 13.07 | 03:55, 1.46 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 27-04 | 15.33m | 31-03 | 0.03m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 08-11-2025 | 09-11-2025 | 10-11-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 08:48 21:14 | 13.54m 13.07m | High | 09:31 21:59 | 12.82m 12.21m | High | 10:16 22:47 | 12.01m 11.33m |
| Low | 03:16 15:37 | 0.83m 1.20m | Low | 03:55 16:17 | 1.46m 1.87m | Low | 04:33 16:58 | 2.21m 2.62m |
| 11-11-2025 | 12-11-2025 | 13-11-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 11:05 23:41 | 11.24m 10.57m | High | 12:05 | 10.63m | High | 00:47 13:16 | 10.07m 10.32m |
| Low | 05:12 17:44 | 2.96m 3.31m | Low | 05:58 18:46 | 3.61m 3.82m | Low | 07:06 20:08 | 4.05m 3.95m |
