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 |
|---|---|---|
| 16-03-2026 05:00 | 11.2 | 0.55 |
| Next HW | Next LW |
|---|---|
| 05:21, 10.72 | 12:03, 3 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 06-03 | 0.49m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 16-03-2026 | 17-03-2026 | 18-03-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 05:21 17:48 | 10.72m 11.13m | High | 06:11 18:34 | 11.91m 12.30m | High | 06:53 19:14 | 12.94m 13.22m |
| Low | 12:03 | 3.00m | Low | 00:31 12:56 | 2.63m 1.99m | Low | 01:19 13:42 | 1.65m 1.14m |
| 19-03-2026 | 20-03-2026 | 21-03-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 07:33 19:52 | 13.65m 13.77m | High | 08:10 20:28 | 13.97m 13.92m | High | 08:47 21:04 | 13.92m 13.73m |
| Low | 02:03 14:24 | 0.91m 0.56m | Low | 02:42 15:02 | 0.48m 0.30m | Low | 03:19 15:38 | 0.38m 0.36m |
