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 |
|---|---|---|
| 22-05-2025 09:30 | 3.59 | -0.12 |
| Next HW | Next LW |
|---|---|
| 14:36, 10.69 | 20:50, 3.34 |
| Date | Highest 2025 | Date | Lowest 2025 |
|---|---|---|---|
| 27-04 | 15.33m | 31-03 | 0.03m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
| 22-05-2025 | 23-05-2025 | 24-05-2025 | ||||||
|---|---|---|---|---|---|---|---|---|
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 01:58 14:36 | 10.58m 10.70m | High | 03:13 15:47 | 11.14m 11.38m | High | 04:21 16:51 | 11.94m 12.24m |
| Low | 08:13 20:50 | 3.11m 3.34m | Low | 09:40 22:21 | 2.75m 2.79m | Low | 10:58 23:34 | 2.15m 2.04m |
| 25-05-2025 | 26-05-2025 | 27-05-2025 | ||||||
| Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
| High | 05:21 17:48 | 12.74m 13.02m | High | 06:16 18:40 | 13.31m 13.51m | High | 07:06 19:27 | 13.54m 13.62m |
| Low | 12:04 | 1.50m | Low | 00:35 13:01 | 1.36m 1.02m | Low | 01:28 13:52 | 0.93m 0.84m |
