National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled.
Rhyl Flats
Latest Waves Data (Data was last updated 2 months 2 days 28 minutes ago)
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 31-12-2025 23:30 | - | - | - | - | - | - | - | - | - |
| Date | Highest Hs 2026 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
|---|---|---|---|
| 01-01 | 0m | 2.89m | 8.00s |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 27-04-2025 00:00 | - | - | - | - | - | - | - | - | - | ||
| 26-04-2025 23:30 | - | - | - | - | - | - | - | - | - | ||
| 26-04-2025 23:00 | - | - | - | - | - | - | - | - | - | ||
| 26-04-2025 22:30 | - | - | - | - | - | - | - | - | - | ||
| 26-04-2025 22:00 | - | - | - | - | - | - | - | - | - | ||
| 26-04-2025 21:30 | - | - | - | - | - | - | - | - | - | ||
| 26-04-2025 21:00 | 53.38207 | -3.60452 | - | 29.79 | - | - | - | - | - | 19.1 | 1961.8 |
| 26-04-2025 20:30 | 53.38207 | -3.60452 | 14.48 | - | 18.2 | 14.8 | 72 | 66 | 10.3 | 19.1 | 1961.8 |
| 26-04-2025 20:00 | 53.38207 | -3.60448 | 14.48 | - | 18.2 | 14.8 | 72 | 66 | 10.3 | 3.4 | 0.1 |
| 26-04-2025 19:30 | 53.38207 | -3.60448 | 0.24 | 23.03 | 3.9 | 2.9 | 308 | 36 | 10.4 | 3.7 | 0.1 |
| 26-04-2025 19:00 | 53.38209 | -3.60444 | 0.24 | 0.36 | 4.3 | 3.1 | 301 | 37 | 10.4 | 3.9 | 0.09 |
| 26-04-2025 18:30 | 53.38209 | -3.60444 | 0.22 | 0.34 | 4.5 | 3.3 | 307 | 27 | 10.5 | 4.1 | 0.09 |
| 26-04-2025 18:00 | 53.38209 | -3.60446 | 0.21 | 0.36 | 3.5 | 3.5 | 330 | 24 | 10.6 | 5.7 | 0.12 |
| 26-04-2025 17:30 | 53.38214 | -3.60450 | 0.21 | 0.36 | 9.1 | 4.3 | 340 | 20 | 10.8 | 4.6 | 0.07 |
| 26-04-2025 17:00 | 53.38228 | -3.60534 | 0.17 | 0.31 | 5.9 | 3.6 | 294 | 26 | 11.2 | 4.7 | 0.06 |
| 26-04-2025 16:30 | 53.38244 | -3.60570 | 0.16 | 0.29 | 5.6 | 3.6 | 297 | 30 | 11.4 | 4.6 | 0.05 |
| 26-04-2025 16:00 | 53.38242 | -3.60607 | 0.15 | 0.24 | 5 | 3.4 | 300 | 20 | 11.4 | 4.8 | 0.07 |
| 26-04-2025 15:30 | 53.38239 | -3.60613 | 0.17 | 0.23 | 4 | 3.5 | 311 | 26 | 11.3 | 4.5 | 0.09 |
| 26-04-2025 15:00 | 53.38236 | -3.60618 | 0.2 | 0.26 | 4.5 | 3.5 | 305 | 22 | 11.1 | 4.4 | 0.1 |
| 26-04-2025 14:30 | 53.38236 | -3.60620 | 0.21 | 0.36 | 3.9 | 3.4 | 338 | 42 | 10.9 | 4.3 | 0.09 |
| 26-04-2025 14:00 | 53.38235 | -3.60622 | 0.21 | 0.26 | 5.6 | 3.3 | 300 | 29 | 10.8 | 4.2 | 0.08 |
| 26-04-2025 13:30 | 53.38234 | -3.60622 | 0.2 | 0.29 | 4.8 | 3.1 | 304 | 26 | 10.7 | 4.1 | 0.1 |
| 26-04-2025 13:00 | 53.38232 | -3.60626 | 0.22 | 0.34 | 4 | 3.1 | 318 | 35 | 10.6 | 4.1 | 0.1 |
| 26-04-2025 12:30 | 53.38231 | -3.60626 | 0.22 | 0.33 | 5 | 2.9 | 294 | 27 | 10.5 | 3.8 | 0.11 |
| 26-04-2025 12:00 | 53.38230 | -3.60626 | 0.24 | 0.41 | 2.2 | 2.7 | 63 | 28 | 10.4 | 3.5 | 0.12 |
| 26-04-2025 11:30 | 53.38229 | -3.60624 | 0.26 | 0.33 | 2 | 2.5 | 80 | 25 | 10.6 | 3.2 | 0.15 |
| 26-04-2025 11:00 | 53.38224 | -3.60620 | 0.31 | 0.37 | 2.4 | 2.5 | 74 | 31 | 10.4 | 3.2 | 0.18 |
| 26-04-2025 10:30 | 53.38215 | -3.60615 | 0.34 | 0.44 | 2.6 | 2.6 | 70 | 34 | 10.3 | 3.3 | 0.19 |
| 26-04-2025 10:00 | 53.38212 | -3.60538 | 0.34 | 0.54 | 2.7 | 2.7 | 79 | 29 | 10.3 | 3.6 | 0.19 |
| 26-04-2025 09:30 | 53.38204 | -3.60478 | 0.33 | 0.52 | 2.9 | 2.9 | 69 | 46 | 10.2 | 19.1 | 1080.72 |
| 26-04-2025 09:00 | 53.38209 | -3.60461 | 10.73 | 0.5 | 22.2 | 14.3 | 135 | 70 | 10.2 | 19.1 | 1217.75 |
| 26-04-2025 08:30 | 53.38209 | -3.60457 | 11.39 | - | 22.2 | 13.8 | 91 | 74 | 10.2 | 19.8 | 1558.89 |
| 26-04-2025 08:00 | 53.38206 | -3.60457 | 12.67 | - | 25 | 14.8 | 152 | 67 | 10.3 | 19.7 | 1536.95 |
| 26-04-2025 07:30 | 53.38210 | -3.60450 | 12.62 | - | 25 | 14.3 | 73 | 73 | 10.2 | 18 | 1188.24 |
| 26-04-2025 07:00 | 53.38207 | -3.60448 | 11.6 | 29.51 | 25 | 12.9 | 59 | 71 | 10.2 | 19.3 | 2206.05 |
| 26-04-2025 06:30 | 53.38209 | -3.60446 | 15.25 | 30.9 | 22.2 | 14.8 | 96 | 72 | 10.3 | 19.3 | 1927.03 |
| 26-04-2025 06:00 | 53.38210 | -3.60446 | 14.25 | 28.32 | 25 | 14.3 | 31 | 77 | 10.3 | 19.1 | 1855.3 |
| 26-04-2025 05:30 | 53.38214 | -3.60448 | 14.06 | 28.97 | 22.2 | 14.3 | 1 | 75 | 10.4 | 18.1 | 1198.96 |
| 26-04-2025 05:00 | 53.38219 | -3.60450 | 11.62 | 27.74 | 22.2 | 13.3 | 101 | 54 | 10.5 | 19.7 | 1346.04 |
| 26-04-2025 04:30 | 53.38234 | -3.60536 | 11.79 | 26.58 | 25 | 14.3 | 187 | 72 | - | 19.3 | 1912.98 |
| 26-04-2025 04:00 | 53.38248 | -3.60594 | 14.2 | 29.43 | 22.2 | 14.3 | 103 | 73 | 10.7 | 19.5 | 1910.41 |
| 26-04-2025 03:30 | 53.38244 | -3.60609 | 14.14 | 28.54 | 22.2 | 14.8 | 87 | 64 | 10.7 | 19.1 | 1614.93 |
| 26-04-2025 03:00 | 53.38240 | -3.60615 | 13.13 | - | 22.2 | 14.3 | 90 | 69 | 10.7 | 19.8 | 2099.42 |
| 26-04-2025 02:30 | 53.38236 | -3.60620 | 14.69 | 30.42 | 22.2 | 15.4 | 3 | 71 | 10.6 | 20.2 | 1847.86 |
| 26-04-2025 02:00 | 53.38235 | -3.60622 | 13.65 | 29.37 | 25 | 15.4 | 55 | 79 | 10.6 | 20.1 | 2644.81 |
| 26-04-2025 01:30 | 53.38233 | -3.60622 | 16.36 | - | 22.2 | 16 | 82 | 76 | 10.5 | 19.9 | 2919.05 |
| 26-04-2025 01:00 | 53.38233 | -3.60624 | 17.3 | 29.7 | 22.2 | 16 | 302 | 75 | 10.4 | 19.9 | 2131.15 |
| 26-04-2025 00:30 | 53.38231 | -3.60624 | 14.79 | 31.1 | 22.2 | 15.4 | 22 | 71 | 10.4 | 21.1 | 2142.25 |
| 26-04-2025 00:00 | 53.38228 | -3.60628 | 14.39 | 31.02 | 25 | 17.4 | 66 | 68 | 10.3 | 19.5 | 2054.65 |
