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 |
|---|---|---|
| 18-04-2026 22:30 | 8.37 | -0.22 |
| Next HW | Next LW |
|---|---|
| 08:27, 13.92 | 02:56, 0.29 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 21-03 | 0.33m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 18-04-2026 | 19-04-2026 | 20-04-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 07:46 20:05 | 14.04m 14.06m | High | 08:27 20:44 | 13.92m 13.80m | High | 09:07 21:24 | 13.46m 13.23m |
| Low | 02:16 14:36 | 0.41m 0.25m | Low | 02:56 15:15 | 0.29m 0.35m | Low | 03:34 15:52 | 0.51m 0.77m |
| 21-04-2026 | 22-04-2026 | 23-04-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 09:49 22:06 | 12.75m 12.50m | High | 10:35 22:52 | 11.92m 11.70m | High | 11:27 23:48 | 11.08m 10.93m |
| Low | 04:10 16:28 | 1.00m 1.39m | Low | 04:47 17:04 | 1.64m 2.11m | Low | 05:27 17:45 | 2.35m 2.85m |
