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 |
|---|---|---|
| 10-04-2026 09:40 | 8.32 | 0.37 |
| Next HW | Next LW |
|---|---|
| 11:55, 9.59 | 18:01, 3.78 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 21-03 | 0.33m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 10-04-2026 | 11-04-2026 | 12-04-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 11:55 | 9.59m | High | 00:24 13:10 | 9.41m 9.14m | High | 01:56 14:43 | 9.20m 9.27m |
| Low | 05:44 18:01 | 3.40m 3.78m | Low | 06:36 19:00 | 3.98m 4.35m | Low | 07:54 20:40 | 4.32m 4.52m |
| 13-04-2026 | 14-04-2026 | 15-04-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 03:27 16:03 | 9.70m 10.05m | High | 04:37 17:06 | 10.73m 11.19m | High | 05:32 17:57 | 11.92m 12.38m |
| Low | 09:58 22:45 | 3.97m 3.80m | Low | 11:20 23:52 | 3.04m 2.73m | Low | 12:19 | 2.03m |
