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 |
|---|---|---|
| 10-09-2026 16:00 | 6.91 | 0.43 |
| Next HW | Next LW |
|---|---|
| 18:53, 13.51 | 01:44, 0.83 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 21-03 | 0.33m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 10-09-2026 | 11-09-2026 | 12-09-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 06:35 18:53 | 12.79m 13.51m | High | 07:19 19:34 | 13.58m 14.04m | High | 07:57 20:11 | 13.93m 14.11m |
| Low | 00:55 13:15 | 1.57m 1.32m | Low | 01:44 14:00 | 0.83m 0.73m | Low | 02:25 14:39 | 0.49m 0.56m |
| 13-09-2026 | 14-09-2026 | 15-09-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 08:31 20:44 | 13.84m 13.82m | High | 09:03 21:15 | 13.44m 13.28m | High | 09:32 21:45 | 12.85m 12.61m |
| Low | 03:00 15:12 | 0.56m 0.75m | Low | 03:31 15:41 | 0.92m 1.17m | Low | 03:56 16:06 | 1.42m 1.67m |
