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 |
---|---|---|
15-02-2025 19:30 | 9.72 | 0.14 |
Next HW | Next LW |
---|---|
21:20, 12.69 | 03:53, 1.56 |
Date | Highest 2025 | Date | Lowest 2025 |
---|---|---|---|
01-02 | 13.75m | 01-02 | 0.58m |
Second Severn Crossing Predicted Tide Table (Chart Datum)
15-02-2025 | 16-02-2025 | 17-02-2025 | ||||||
---|---|---|---|---|---|---|---|---|
Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
High | 09:02 21:20 | 12.94m 12.69m | High | 09:30 21:46 | 12.70m 12.36m | High | 09:56 22:12 | 12.35m 11.94m |
Low | 03:27 15:45 | 1.42m 1.60m | Low | 03:53 16:09 | 1.56m 1.80m | Low | 04:16 16:30 | 1.76m 2.00m |
18-02-2025 | 19-02-2025 | 20-02-2025 | ||||||
Time (GMT) | Height | Time (GMT) | Height | Time (GMT) | Height | |||
High | 10:23 22:38 | 11.92m 11.47m | High | 10:51 23:08 | 11.41m 10.93m | High | 11:26 23:46 | 10.80m 10.32m |
Low | 04:37 16:52 | 1.97m 2.21m | Low | 05:02 17:17 | 2.24m 2.50m | Low | 05:31 17:48 | 2.64m 2.92m |