National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled.
St Mary's Sound
Latest 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 07-12-2025 08:00 | 49.89159 | -6.31368 | 3.37 | 4.93 | 8.3 | 6.8 | 217 | 30 | 12.5 | 8.1 | 45.11 |
| Date | Highest Hs 2025 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
|---|---|---|---|
| 27-01 | 5.4m | 4.43m | 10.90s |
