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 |
|---|---|---|
| 07-09-2026 15:50 | 10.67 | 0.23 |
| Next HW | Next LW |
|---|---|
| 04:31, 10.6 | 22:35, 3.6 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 21-03 | 0.33m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 07-09-2026 | 08-09-2026 | 09-09-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 03:05 15:45 | 9.97m 10.45m | High | 04:31 17:03 | 10.60m 11.41m | High | 05:40 18:04 | 11.69m 12.57m |
| Low | 09:34 22:35 | 4.06m 3.60m | Low | 11:10 23:54 | 3.30m 2.60m | Low | 12:20 | 2.25m |
| 10-09-2026 | 11-09-2026 | 12-09-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 06:35 18:53 | 12.79m 13.51m | High | 07:19 19:34 | 13.58m 14.04m | High | 07:57 20:11 | 13.93m 14.11m |
| Low | 00:55 13:15 | 1.57m 1.32m | Low | 01:44 14:00 | 0.83m 0.73m | Low | 02:25 14:39 | 0.49m 0.56m |
