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 |
|---|---|---|
| 13-11-2025 07:40 | 4.4 | 0.25 |
| Next HW | Next LW |
|---|---|
| 13:16, 10.32 | 20:08, 3.94 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 27-04 | 15.33m | 31-03 | 0.03m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 13-11-2025 | 14-11-2025 | 15-11-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 00:47 13:16 | 10.07m 10.32m | High | 02:00 14:32 | 9.97m 10.42m | High | 03:11 15:40 | 10.29m 10.88m |
| Low | 07:06 20:08 | 4.05m 3.95m | Low | 08:35 21:21 | 4.01m 3.63m | Low | 09:47 22:23 | 3.53m 3.11m |
| 16-11-2025 | 17-11-2025 | 18-11-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 04:14 16:38 | 10.90m 11.48m | High | 05:07 17:27 | 11.60m 12.05m | High | 05:52 18:09 | 12.20m 12.46m |
| Low | 10:45 23:15 | 2.89m 2.55m | Low | 11:36 | 2.30m | Low | 00:02 12:22 | 2.08m 1.85m |
