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 |
|---|---|---|
| 08-03-2026 13:40 | 5.72 | 0.12 |
| Next HW | Next LW |
|---|---|
| 22:13, 12.06 | 16:28, 1.81 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 06-03 | 0.49m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 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 |
| 11-03-2026 | 12-03-2026 | 13-03-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 11:33 23:54 | 10.30m 9.88m | High | 12:25 | 9.49m | High | 01:00 13:47 | 9.18m 8.91m |
| Low | 05:32 17:47 | 2.86m 3.24m | Low | 06:11 18:31 | 3.58m 3.98m | Low | 07:07 19:37 | 4.30m 4.65m |
