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 |
|---|---|---|
| 21-01-2025 02:50 | 5.82 | -0.03 |
| Next HW | Next LW |
|---|---|
| 11:34, 11.06 | 05:32, 2.81 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 01-01 | 13.36m | 16-01 | 0.96m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 21-01-2025 | 22-01-2025 | 23-01-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 11:34 23:56 | 11.06m 10.52m | High | 12:16 | 10.54m | High | 00:43 13:09 | 10.03m 10.03m |
| Low | 05:32 17:52 | 2.81m 3.02m | Low | 06:07 18:28 | 3.14m 3.38m | Low | 06:50 19:16 | 3.60m 3.84m |
| 24-01-2025 | 25-01-2025 | 26-01-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 01:45 14:20 | 9.65m 9.69m | High | 03:05 15:41 | 9.60m 9.76m | High | 04:23 16:54 | 10.05m 10.28m |
| Low | 07:49 20:25 | 4.07m 4.23m | Low | 09:23 22:14 | 4.24m 4.14m | Low | 11:01 23:36 | 3.79m 3.52m |
