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 |
|---|---|---|
| 23-04-2026 03:30 | 3.84 | -0.58 |
| Next HW | Next LW |
|---|---|
| 11:27, 11.08 | 05:27, 2.35 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 21-03 | 0.33m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 23-04-2026 | 24-04-2026 | 25-04-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 11:27 23:48 | 11.08m 10.93m | High | 12:31 | 10.39m | High | 00:59 13:49 | 10.38m 10.08m |
| Low | 05:27 17:45 | 2.35m 2.85m | Low | 06:17 18:42 | 3.06m 3.53m | Low | 07:38 20:17 | 3.56m 3.82m |
| 26-04-2026 | 27-04-2026 | 28-04-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 02:22 15:07 | 10.32m 10.31m | High | 03:39 16:16 | 10.78m 10.96m | High | 04:43 17:13 | 11.53m 11.80m |
| Low | 09:12 21:45 | 3.43m 3.39m | Low | 10:24 22:51 | 2.87m 2.65m | Low | 11:23 23:47 | 2.21m 1.90m |
