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 Wave Data
| Latest Wave Data | |
|---|---|
| Time (GMT) | 21-01-2026 16:00 |
| Latitude | - |
| Longitude | - |
| Wave Height (m) | 0.13 |
| Max Wave Height (m) | 0.2 |
| Tpeak (s) | 3.1 |
| Tz (s) | 1.8 |
| Peak Direction (degrees) | - |
| Spread (degrees) | - |
| Sea Temp (°C) | - |
| Energy Period (s) | - |
| Wave Power (kW/m) | - |
Latest Tide Data
| Latest Tide data | |
|---|---|
| Time (GMT) | 21-01-2026 16:40 |
| Elevation | 3.13 |
| Residual | 0.47 |
| Next HW | 21:11, 12.57 |
| Next LW | 03:52, 1.8 |
| Highest Date | 06-01-2026 |
| Highest Value | 13.49m |
| Lowest Date | 06-01-2026 |
| Lowest Value | 0.83m |
