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 |
|---|---|---|
| 20-06-2025 20:00 | 2.8 | -0.12 |
| Next HW | Next LW |
|---|---|
| 02:35, 11.36 | 20:11, 2.91 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 27-04 | 15.33m | 31-03 | 0.03m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 20-06-2025 | 21-06-2025 | 22-06-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 01:25 13:59 | 11.22m 11.13m | High | 02:35 15:09 | 11.36m 11.38m | High | 03:45 16:18 | 11.65m 11.79m |
| Low | 07:43 20:11 | 2.58m 2.91m | Low | 08:54 21:34 | 2.60m 2.82m | Low | 10:16 22:56 | 2.48m 2.50m |
| 23-06-2025 | 24-06-2025 | 25-06-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 04:52 17:22 | 12.02m 12.26m | High | 05:54 18:20 | 12.37m 12.65m | High | 06:52 19:14 | 12.61m 12.86m |
| Low | 11:30 | 2.19m | Low | 00:06 12:35 | 2.08m 1.88m | Low | 01:09 13:34 | 1.73m 1.68m |
