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 |
|---|---|---|
| 10-05-2026 14:10 | 8.22 | -0.55 |
| Next HW | Next LW |
|---|---|
| 01:16, 9.81 | 18:36, 3.87 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 21-03 | 0.33m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 10-05-2026 | 11-05-2026 | 12-05-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 00:02 12:41 | 9.93m 9.74m | High | 01:16 13:57 | 9.81m 9.84m | High | 02:35 15:12 | 10.14m 10.38m |
| Low | 06:16 18:36 | 3.55m 3.87m | Low | 07:22 19:52 | 3.73m 3.99m | Low | 08:48 21:33 | 3.59m 3.67m |
| 13-05-2026 | 14-05-2026 | 15-05-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 03:48 16:20 | 10.89m 11.27m | High | 04:50 17:18 | 11.84m 12.27m | High | 05:45 18:10 | 12.75m 13.12m |
| Low | 10:20 23:00 | 3.03m 2.90m | Low | 11:32 | 2.24m | Low | 00:04 12:31 | 2.03m 1.48m |
