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 |
|---|---|---|
| 24-03-2025 13:50 | 8.91 | -0.24 |
| Next HW | Next LW |
|---|---|
| 14:14, 9.20 | 20:04, 4.46 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 02-03 | 14.2m | 02-03 | 0.05m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 24-03-2025 | 25-03-2025 | 26-03-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 01:21 14:14 | 9.29m 9.20m | High | 03:05 15:49 | 9.44m 9.72m | High | 04:29 17:03 | 10.38m 10.85m |
| Low | 07:27 20:04 | 4.13m 4.46m | Low | 09:19 22:24 | 4.20m 4.14m | Low | 11:12 23:50 | 3.37m 3.04m |
| 27-03-2025 | 28-03-2025 | 29-03-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 05:33 18:01 | 11.68m 12.18m | High | 06:25 18:49 | 12.97m 13.35m | High | 07:10 19:32 | 13.94m 14.13m |
| Low | 12:21 | 2.22m | Low | 00:50 13:15 | 1.86m 1.12m | Low | 01:39 14:03 | 0.85m 0.29m |
