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 |
|---|---|---|
| 05-03-2026 11:20 | 7.83 | -0.14 |
| Next HW | Next LW |
|---|---|
| 20:49, 13.54 | 15:18, 0.79 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 05-03 | 0.52m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 05-03-2026 | 06-03-2026 | 07-03-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 08:31 20:49 | 13.74m 13.54m | High | 09:02 21:18 | 13.48m 13.18m | High | 09:31 21:46 | 13.04m 12.66m |
| Low | 02:58 15:18 | 0.63m 0.79m | Low | 03:28 15:45 | 0.80m 1.08m | Low | 03:54 16:08 | 1.12m 1.45m |
| 08-03-2026 | 09-03-2026 | 10-03-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 09:58 22:13 | 12.48m 12.06m | High | 10:26 22:40 | 11.83m 11.39m | High | 10:56 23:12 | 11.10m 10.66m |
| Low | 04:16 16:28 | 1.48m 1.81m | Low | 04:37 16:49 | 1.85m 2.17m | Low | 05:01 17:15 | 2.29m 2.62m |
