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 |
|---|---|---|
| 11-03-2026 01:30 | 7.74 | -0.3 |
| Next HW | Next LW |
|---|---|
| 11:33, 10.3 | 05:32, 2.86 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 06-03 | 0.49m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 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 |
| 14-03-2026 | 15-03-2026 | 16-03-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 02:43 15:31 | 8.97m 9.06m | High | 04:17 16:51 | 9.61m 9.94m | High | 05:21 17:48 | 10.72m 11.13m |
| Low | 08:46 22:03 | 4.66m 4.66m | Low | 10:58 23:33 | 4.02m 3.71m | Low | 12:03 | 3.00m |
