National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled.
Porthleven
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10-04-2026 07:30 | 50.06295 | -5.30794 | 1.11 | 1.58 | 13.3 | 7.3 | 238 | 26 | 11.4 | 10.3 | 6.24 |
| Date | Highest Hs 2026 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
|---|---|---|---|
| 01-01 | 7.7m | 4.93m | 14.20s |
