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 |
|---|---|---|
| 17-01-2025 00:20 | 6.79 | -0.12 |
| Next HW | Next LW |
|---|---|
| 09:25, 12.49 | 03:48, 2.06 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 01-01 | 13.36m | 16-01 | 0.96m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 17-01-2025 | 18-01-2025 | 19-01-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 09:25 21:46 | 12.49m 12.13m | High | 09:57 22:17 | 12.22m 11.80m | High | 10:28 22:48 | 11.90m 11.42m |
| Low | 03:48 16:10 | 2.06m 2.24m | Low | 04:16 16:36 | 2.25m 2.45m | Low | 04:41 16:59 | 2.43m 2.62m |
| 20-01-2025 | 21-01-2025 | 22-01-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 10:59 23:19 | 11.51m 10.99m | High | 11:34 23:56 | 11.06m 10.52m | High | 12:16 | 10.54m |
| Low | 05:05 17:23 | 2.60m 2.79m | Low | 05:32 17:52 | 2.81m 3.02m | Low | 06:07 18:28 | 3.14m 3.38m |
