National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled.
Second Severn Crossing
Tide Levels and HarmonicsLatest Waves Data
| Time (GMT) | Latitude | Longitude | Wave Height (m) | Max Wave Height (m) | Tpeak (s) | Tz (s) | Peak Direction (degrees) | Spread (degrees) | Sea Temp (°C) | Energy Period (s) | Wave Power (kW/m) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18-11-2025 21:00 | - | - | 0.11 | 0.22 | 5.1 | 1.9 | - | - | - | - | - |
| Date | Highest Hs 2025 | Storm Alert Threshold (0.25 yr Return Period Hs) |
|---|---|---|
| 15-09 | 1.2m | 0.74m |
| Time (GMT) | Latitude | Longitude | Wave Height (m) | Max Wave Height (m) | Tpeak (s) | Tz (s) | Peak Direction (degrees) | Spread (degrees) | Sea Temp (°C) | Energy Period (s) | Wave Power (kW/m) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18-11-2025 21:00 | - | - | 0.11 | 0.22 | 5.1 | 1.9 | - | - | - | - | - |
| 18-11-2025 20:30 | - | - | 0.14 | 0.25 | 5.1 | 1.7 | - | - | - | - | - |
| 18-11-2025 20:00 | - | - | 0.17 | 0.29 | 4.6 | 1.8 | - | - | - | - | - |
| 18-11-2025 19:30 | - | - | 0.21 | 0.36 | 4.4 | 1.9 | - | - | - | - | - |
| 18-11-2025 19:00 | - | - | 0.29 | 0.53 | 4 | 2.4 | - | - | - | - | - |
| 18-11-2025 18:30 | - | - | 0.24 | 0.49 | 2.9 | 2.1 | - | - | - | - | - |
| 18-11-2025 18:00 | - | - | 0.23 | 0.36 | 2.7 | 2 | - | - | - | - | - |
| 18-11-2025 17:30 | - | - | 0.24 | 0.39 | 2.5 | 2.1 | - | - | - | - | - |
| 18-11-2025 17:00 | - | - | 0.22 | 0.38 | 3.9 | 2 | - | - | - | - | - |
| 18-11-2025 16:30 | - | - | 0.19 | 0.32 | 14.2 | 1.8 | - | - | - | - | - |
| 18-11-2025 16:00 | - | - | 0.15 | 0.25 | 14.2 | 1.8 | - | - | - | - | - |
| 18-11-2025 15:30 | - | - | 0.14 | 0.23 | 12.8 | 1.7 | - | - | - | - | - |
| 18-11-2025 15:00 | - | - | 0.15 | 0.23 | 14.2 | 1.7 | - | - | - | - | - |
| 18-11-2025 14:30 | - | - | 0.14 | 0.23 | 14.2 | 1.8 | - | - | - | - | - |
| 18-11-2025 14:00 | - | - | 0.15 | 0.25 | 11.6 | 1.8 | - | - | - | - | - |
| 18-11-2025 13:30 | - | - | 0.17 | 0.32 | 2.5 | 1.8 | - | - | - | - | - |
| 18-11-2025 13:00 | - | - | 0.11 | 0.19 | 14.2 | 1.8 | - | - | - | - | - |
| 18-11-2025 12:30 | - | - | 0.12 | 0.26 | 5.6 | 1.8 | - | - | - | - | - |
| 18-11-2025 12:00 | - | - | 0.14 | 0.22 | 14.2 | 1.8 | - | - | - | - | - |
| 18-11-2025 11:30 | - | - | 0.15 | 0.23 | 14.2 | 1.9 | - | - | - | - | - |
| 18-11-2025 11:00 | - | - | 0.14 | 0.23 | 14.2 | 1.8 | - | - | - | - | - |
| 18-11-2025 10:30 | - | - | 0.13 | 0.23 | 10.7 | 1.8 | - | - | - | - | - |
| 18-11-2025 10:00 | - | - | 0.11 | 0.19 | 14.2 | 1.9 | - | - | - | - | - |
| 18-11-2025 09:30 | - | - | 0.1 | 0.16 | 14.2 | 2 | - | - | - | - | - |
| 18-11-2025 09:00 | - | - | 0.12 | 0.22 | 4.9 | 1.9 | - | - | - | - | - |
| 18-11-2025 08:30 | - | - | 0.16 | 0.29 | 4.7 | 1.8 | - | - | - | - | - |
| 18-11-2025 08:00 | - | - | 0.17 | 0.31 | 4.6 | 1.9 | - | - | - | - | - |
| 18-11-2025 07:30 | - | - | 0.19 | 0.37 | 3.7 | 1.9 | - | - | - | - | - |
| 18-11-2025 07:00 | - | - | 0.27 | 0.51 | 3.9 | 2.1 | - | - | - | - | - |
| 18-11-2025 06:30 | - | - | 0.25 | 0.48 | 2.7 | 2.1 | - | - | - | - | - |
| 18-11-2025 06:00 | - | - | 0.18 | 0.4 | 2.5 | 1.8 | - | - | - | - | - |
| 18-11-2025 05:30 | - | - | 0.13 | 0.22 | 14.2 | 1.8 | - | - | - | - | - |
| 18-11-2025 05:00 | - | - | 0.1 | 0.15 | 14.2 | 1.9 | - | - | - | - | - |
| 18-11-2025 04:30 | - | - | 0.1 | 0.15 | 10.7 | 1.7 | - | - | - | - | - |
| 18-11-2025 04:00 | - | - | 0.1 | 0.15 | 14.2 | 1.7 | - | - | - | - | - |
| 18-11-2025 03:30 | - | - | 0.09 | 0.16 | 14.2 | 1.7 | - | - | - | - | - |
| 18-11-2025 03:00 | - | - | 0.09 | 0.17 | 12.8 | 1.7 | - | - | - | - | - |
| 18-11-2025 02:30 | - | - | 0.1 | 0.19 | 14.2 | 1.7 | - | - | - | - | - |
| 18-11-2025 02:00 | - | - | 0.08 | 0.12 | 12.8 | 1.8 | - | - | - | - | - |
| 18-11-2025 01:30 | - | - | 0.07 | 0.11 | 14.2 | 1.9 | - | - | - | - | - |
| 18-11-2025 01:00 | - | - | 0.05 | 0.11 | 14.2 | 2.5 | - | - | - | - | - |
| 18-11-2025 00:30 | - | - | 0.02 | 0.03 | 14.2 | 4.8 | - | - | - | - | - |
| 18-11-2025 00:00 | - | - | 0.04 | 0.09 | 9.1 | 2.2 | - | - | - | - | - |
| 17-11-2025 23:30 | - | - | 0.1 | 0.2 | 11.6 | 1.8 | - | - | - | - | - |
| 17-11-2025 23:00 | - | - | 0.11 | 0.19 | 12.8 | 1.9 | - | - | - | - | - |
| 17-11-2025 22:30 | - | - | 0.11 | 0.2 | 14.2 | 1.9 | - | - | - | - | - |
| 17-11-2025 22:00 | - | - | 0.09 | 0.15 | 4.7 | 1.9 | - | - | - | - | - |
| 17-11-2025 21:30 | - | - | 0.07 | 0.14 | 12.8 | 2.3 | - | - | - | - | - |
| 17-11-2025 21:00 | - | - | 0.06 | 0.11 | 14.2 | 2.2 | - | - | - | - | - |
