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 |
|---|---|---|
| 11-11-2025 07:20 | 6.3 | 0.85 |
| Next HW | Next LW |
|---|---|
| 11:05, 11.24 | 17:44, 3.31 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 27-04 | 15.33m | 31-03 | 0.03m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 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 |
| 14-11-2025 | 15-11-2025 | 16-11-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 02:00 14:32 | 9.97m 10.42m | High | 03:11 15:40 | 10.29m 10.88m | High | 04:14 16:38 | 10.90m 11.48m |
| Low | 08:35 21:21 | 4.01m 3.63m | Low | 09:47 22:23 | 3.53m 3.11m | Low | 10:45 23:15 | 2.89m 2.55m |
