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
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18-03-2025 22:00 | 53.38211 | -3.60448 | 0.29 | 0.56 | 3.3 | 2.8 | 66 | 30 | 7.3 | 3.1 | 0.13 |
| Date | Highest Hs 2025 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
|---|---|---|---|
| 24-01 | 2.6m | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18-03-2025 22:00 | 53.38211 | -3.60448 | 0.29 | 0.56 | 3.3 | 2.8 | 66 | 30 | 7.3 | 3.1 | 0.13 |
| 18-03-2025 21:30 | 53.38210 | -3.60450 | 0.27 | 0.45 | 2.9 | 2.6 | 58 | 29 | 7.3 | 3 | 0.11 |
| 18-03-2025 21:00 | 53.38216 | -3.60455 | 0.24 | 0.57 | 2.9 | 2.6 | 62 | 26 | 7.3 | 3 | 0.09 |
| 18-03-2025 20:30 | 53.38221 | -3.60457 | 0.27 | 0.33 | 2.9 | 2.5 | 58 | 22 | 7.3 | 3 | 0.11 |
| 18-03-2025 20:00 | 53.38244 | -3.60583 | 0.29 | 0.41 | 2.8 | 2.5 | 59 | 30 | 7.3 | 2.9 | 0.12 |
| 18-03-2025 19:30 | 53.38239 | -3.60607 | 0.33 | 0.4 | 2.6 | 2.4 | 59 | 26 | 7.3 | 2.9 | 0.15 |
| 18-03-2025 19:00 | 53.38238 | -3.60615 | 0.37 | 0.51 | 2.7 | 2.4 | 55 | 39 | 7.3 | 2.7 | 0.18 |
| 18-03-2025 18:30 | 53.38235 | -3.60618 | 0.43 | 0.59 | 2.5 | 2.4 | 91 | 31 | 7.3 | 2.6 | 0.24 |
| 18-03-2025 18:00 | 53.38233 | -3.60620 | 0.47 | 0.66 | 2.3 | 2.3 | 96 | 33 | 7.3 | 2.5 | 0.27 |
| 18-03-2025 17:30 | 53.38234 | -3.60620 | 0.47 | 0.75 | 2.5 | 2.3 | 84 | 25 | 7.3 | 2.5 | 0.27 |
| 18-03-2025 17:00 | 53.38234 | -3.60620 | 0.48 | 0.82 | 2.6 | 2.3 | 93 | 33 | 7.3 | 2.6 | 0.29 |
| 18-03-2025 16:30 | 53.38234 | -3.60622 | 0.52 | 0.68 | 2.6 | 2.4 | 96 | 31 | 7.3 | 2.7 | 0.36 |
| 18-03-2025 16:00 | 53.38232 | -3.60622 | 0.54 | 0.73 | 2.6 | 2.4 | 97 | 28 | 7.3 | 2.7 | 0.39 |
| 18-03-2025 15:30 | 53.38231 | -3.60624 | 0.61 | 0.76 | 2.6 | 2.5 | 77 | 25 | 7.4 | 2.8 | 0.5 |
| 18-03-2025 15:00 | 53.38230 | -3.60622 | 0.59 | 0.79 | 2.9 | 2.5 | 84 | 26 | 7.4 | 2.8 | 0.48 |
| 18-03-2025 14:30 | 53.38228 | -3.60620 | 0.59 | 0.87 | 2.9 | 2.6 | 87 | 21 | 7.4 | 2.9 | 0.5 |
| 18-03-2025 14:00 | 53.38228 | -3.60618 | 0.56 | 0.93 | 3 | 2.6 | 84 | 24 | 7.4 | 2.9 | 0.45 |
| 18-03-2025 13:30 | 53.38219 | -3.60611 | 0.55 | 0.85 | 2.8 | 2.6 | 96 | 20 | 7.3 | 2.9 | 0.43 |
| 18-03-2025 13:00 | 53.38202 | -3.60510 | 0.48 | 0.88 | 2.7 | 2.6 | 97 | 24 | 7.3 | 2.9 | 0.33 |
| 18-03-2025 12:30 | 53.38207 | -3.60463 | 0.46 | 0.69 | 3.2 | 2.7 | 80 | 29 | 7.3 | 3 | 0.31 |
| 18-03-2025 12:00 | 53.38207 | -3.60459 | 0.49 | 0.69 | 3.3 | 2.9 | 84 | 25 | 7.3 | 3.1 | 0.37 |
| 18-03-2025 11:30 | 53.38210 | -3.60455 | 0.54 | 0.87 | 3.5 | 3.1 | 96 | 27 | 7.2 | 3.3 | 0.47 |
| 18-03-2025 11:00 | 53.38213 | -3.60450 | 0.5 | 0.8 | 3.7 | 3.2 | 83 | 28 | 7.2 | 3.4 | 0.42 |
| 18-03-2025 10:30 | 53.38214 | -3.60450 | 0.53 | 0.75 | 3.9 | 3.3 | 82 | 24 | 7.2 | 3.5 | 0.48 |
| 18-03-2025 10:00 | 53.38211 | -3.60450 | 0.53 | 0.81 | 3.6 | 3.1 | 86 | 26 | 7.2 | 3.4 | 0.46 |
| 18-03-2025 09:30 | 53.38212 | -3.60455 | 0.49 | 0.84 | 3.3 | 3.1 | 86 | 30 | 7.2 | 3.3 | 0.39 |
| 18-03-2025 09:00 | 53.38211 | -3.60455 | 0.39 | 0.84 | 3.3 | 2.9 | 61 | 26 | 7.2 | 3.2 | 0.24 |
| 18-03-2025 08:30 | 53.38219 | -3.60459 | 0.38 | 0.71 | 3.1 | 2.7 | 55 | 21 | 7.1 | 3 | 0.21 |
| 18-03-2025 08:00 | 53.38238 | -3.60543 | 0.42 | 0.57 | 2.5 | 2.5 | 82 | 26 | 7.1 | 2.8 | 0.24 |
| 18-03-2025 07:30 | 53.38238 | -3.60611 | 0.45 | 0.85 | 2.7 | 2.5 | 61 | 21 | 7.2 | 2.8 | 0.28 |
| 18-03-2025 07:00 | 53.38238 | -3.60618 | 0.44 | 0.75 | 2.7 | 2.4 | 55 | 21 | 7.2 | 2.7 | 0.25 |
| 18-03-2025 06:30 | 53.38235 | -3.60622 | 0.45 | 0.56 | 2.5 | 2.4 | 76 | 26 | 7.2 | 2.7 | 0.26 |
| 18-03-2025 06:00 | 53.38233 | -3.60624 | 0.48 | 0.63 | 2.9 | 2.4 | 45 | 25 | 7.2 | 2.6 | 0.29 |
| 18-03-2025 05:30 | 53.38234 | -3.60624 | 0.47 | 0.72 | 2.6 | 2.4 | 68 | 26 | 7.2 | 2.6 | 0.29 |
| 18-03-2025 05:00 | 53.38232 | -3.60626 | 0.51 | 0.72 | 2.6 | 2.5 | 79 | 28 | 7.2 | 2.7 | 0.35 |
| 18-03-2025 04:30 | 53.38232 | -3.60626 | 0.53 | 0.74 | 2.9 | 2.5 | 66 | 25 | 7.2 | 2.7 | 0.37 |
| 18-03-2025 04:00 | 53.38232 | -3.60628 | 0.56 | 0.8 | 2.7 | 2.5 | 72 | 27 | 7.2 | 2.7 | 0.41 |
| 18-03-2025 03:30 | 53.38231 | -3.60626 | 0.61 | 0.75 | 2.9 | 2.5 | 73 | 32 | 7.2 | 2.7 | 0.5 |
| 18-03-2025 03:00 | 53.38230 | -3.60628 | 0.69 | 0.88 | 3.1 | 2.6 | 75 | 29 | 7.2 | 2.9 | 0.67 |
| 18-03-2025 02:30 | 53.38229 | -3.60624 | 0.71 | 0.94 | 3.2 | 2.7 | 82 | 23 | 7.2 | 3 | 0.74 |
| 18-03-2025 02:00 | 53.38226 | -3.60622 | 0.75 | 1.02 | 3.7 | 2.8 | 72 | 28 | 7.2 | 3.2 | 0.87 |
| 18-03-2025 01:30 | 53.38226 | -3.60620 | 0.76 | 1.17 | 4 | 2.9 | 72 | 22 | 7.2 | 3.3 | 0.94 |
| 18-03-2025 01:00 | 53.38220 | -3.60609 | 0.76 | 1.03 | 4 | 3 | 73 | 23 | 7.2 | 3.4 | 0.96 |
| 18-03-2025 00:30 | 53.38207 | -3.60495 | 0.78 | 1.25 | 4 | 3.2 | 82 | 18 | 7.3 | 3.5 | 1.05 |
| 18-03-2025 00:00 | 53.38210 | -3.60461 | 0.71 | 1.31 | 3.7 | 3.1 | 83 | 21 | 7.3 | 3.4 | 0.83 |
| 17-03-2025 23:30 | 53.38209 | -3.60457 | 0.53 | 1.18 | 3.1 | 2.8 | 87 | 23 | 7.3 | 3 | 0.41 |
| 17-03-2025 23:00 | 53.38211 | -3.60450 | 0.33 | 0.86 | 3 | 2.6 | 94 | 25 | 7.3 | 2.8 | 0.15 |
| 17-03-2025 22:30 | 53.38212 | -3.60448 | 0.28 | 0.62 | 2.8 | 2.6 | 91 | 40 | 7.3 | 2.8 | 0.11 |
| 17-03-2025 22:00 | 53.38211 | -3.60448 | 0.27 | 0.41 | 3 | 2.7 | 79 | 28 | 7.3 | 2.9 | 0.1 |
