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 |
|---|---|---|
| 20-04-2026 18:20 | 6.21 | -0.04 |
| Next HW | Next LW |
|---|---|
| 21:24, 13.23 | 04:10, 1 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 21-03 | 0.33m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 20-04-2026 | 21-04-2026 | 22-04-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 09:07 21:24 | 13.46m 13.23m | High | 09:49 22:06 | 12.75m 12.50m | High | 10:35 22:52 | 11.92m 11.70m |
| Low | 03:34 15:52 | 0.51m 0.77m | Low | 04:10 16:28 | 1.00m 1.39m | Low | 04:47 17:04 | 1.64m 2.11m |
| 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 |
