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 |
|---|---|---|
| 08-10-2026 06:30 | 11.09 | 0.24 |
| Next HW | Next LW |
|---|---|
| 17:41, 12.74 | 11:55, 2 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 29-09 | 14.09m | 21-03 | 0.33m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 08-10-2026 | 09-10-2026 | 10-10-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 05:18 17:41 | 11.91m 12.74m | High | 06:09 18:27 | 12.92m 13.54m | High | 06:51 19:08 | 13.61m 13.93m |
| Low | 11:55 | 2.00m | Low | 00:26 12:46 | 1.42m 1.20m | Low | 01:12 13:30 | 0.86m 0.75m |
| 11-10-2026 | 12-10-2026 | 13-10-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 07:29 19:44 | 13.86m 13.90m | High | 08:03 20:17 | 13.72m 13.55m | High | 08:34 20:47 | 13.28m 12.98m |
| Low | 01:52 14:08 | 0.66m 0.69m | Low | 02:27 14:41 | 0.81m 0.94m | Low | 02:57 15:10 | 1.18m 1.39m |
