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 |
|---|---|---|
| 12-10-2026 15:40 | 2.31 | 0.28 |
| Next HW | Next LW |
|---|---|
| 20:17, 13.55 | 02:57, 1.18 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 29-09 | 14.09m | 21-03 | 0.33m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 12-10-2026 | 13-10-2026 | 14-10-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 08:03 20:17 | 13.72m 13.55m | High | 08:34 20:47 | 13.28m 12.98m | High | 09:03 21:16 | 12.67m 12.31m |
| Low | 02:27 14:41 | 0.81m 0.94m | Low | 02:57 15:10 | 1.18m 1.39m | Low | 03:23 15:35 | 1.66m 1.90m |
| 15-10-2026 | 16-10-2026 | 17-10-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 09:30 21:44 | 12.00m 11.60m | High | 09:58 22:14 | 11.31m 10.87m | High | 10:29 22:50 | 10.63m 10.15m |
| Low | 03:46 15:57 | 2.13m 2.38m | Low | 04:07 16:21 | 2.57m 2.85m | Low | 04:31 16:50 | 3.00m 3.34m |
