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 |
|---|---|---|
| 16-04-2026 11:20 | 3.42 | 0.17 |
| Next HW | Next LW |
|---|---|
| 18:43, 13.35 | 13:09, 1.13 |
| Date | Highest 2026 | Date | Lowest 2026 |
|---|---|---|---|
| 04-02 | 14.02m | 21-03 | 0.33m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 16-04-2026 | 17-04-2026 | 18-04-2026 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 06:20 18:43 | 12.98m 13.35m | High | 07:04 19:24 | 13.72m 13.93m | High | 07:46 20:05 | 14.04m 14.06m |
| Low | 00:45 13:09 | 1.71m 1.13m | Low | 01:33 13:54 | 0.90m 0.51m | Low | 02:16 14:36 | 0.41m 0.25m |
| 19-04-2026 | 20-04-2026 | 21-04-2026 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 08:27 20:44 | 13.92m 13.80m | High | 09:07 21:24 | 13.46m 13.23m | High | 09:49 22:06 | 12.75m 12.50m |
| Low | 02:56 15:15 | 0.29m 0.35m | Low | 03:34 15:52 | 0.51m 0.77m | Low | 04:10 16:28 | 1.00m 1.39m |
