National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled.
Start Bay
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20-05-2025 11:30 | 50.29276 | -3.61551 | 0.57 | 0.92 | 5.6 | 4 | 91 | 24 | 14.2 | 5.1 | 0.81 |
| Date | Highest Hs 2025 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
|---|---|---|---|
| 26-01 | 4.2m | 2.98m | 12.50s |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20-05-2025 11:30 | 50.29276 | -3.61551 | 0.57 | 0.92 | 5.6 | 4 | 91 | 24 | 14.2 | 5.1 | 0.81 |
| 20-05-2025 11:00 | 50.29277 | -3.61562 | 0.52 | 0.77 | 5.6 | 3.8 | 97 | 27 | 14.1 | 4.9 | 0.66 |
| 20-05-2025 10:30 | 50.29276 | -3.61562 | 0.51 | 0.85 | 5.6 | 3.6 | 97 | 21 | 14 | 4.8 | 0.61 |
| 20-05-2025 10:00 | 50.29274 | -3.61555 | 0.49 | 0.72 | 5.6 | 3.3 | 98 | 19 | 13.9 | 4.5 | 0.53 |
| 20-05-2025 09:30 | 50.29276 | -3.61560 | 0.47 | 0.65 | 5.3 | 3.2 | 98 | 24 | 13.9 | 4.3 | 0.46 |
| 20-05-2025 09:00 | 50.29271 | -3.61603 | 0.41 | 0.56 | 4.8 | 3.2 | 91 | 22 | 13.9 | 4.4 | 0.36 |
| 20-05-2025 08:30 | 50.29236 | -3.61648 | 0.36 | 0.51 | 4.6 | 3.7 | 93 | 24 | 13.8 | 4.8 | 0.31 |
| 20-05-2025 08:00 | 50.29209 | -3.61648 | 0.31 | 0.49 | 5 | 3.7 | 94 | 29 | 13.9 | 4.8 | 0.23 |
| 20-05-2025 07:30 | 50.29203 | -3.61645 | 0.3 | 0.41 | 5 | 3.7 | 97 | 30 | 13.9 | 5 | 0.22 |
| 20-05-2025 07:00 | 50.29198 | -3.61641 | 0.3 | 0.43 | 4.8 | 3.7 | 94 | 29 | 13.8 | 4.9 | 0.22 |
| 20-05-2025 06:30 | 50.29196 | -3.61641 | 0.3 | 0.46 | 5.3 | 3.6 | 91 | 30 | 13.8 | 4.9 | 0.21 |
| 20-05-2025 06:00 | 50.29190 | -3.61637 | 0.32 | 0.46 | 5 | 3.8 | 91 | 27 | 13.8 | 5 | 0.25 |
| 20-05-2025 05:30 | 50.29190 | -3.61628 | 0.35 | 0.43 | 5.3 | 4 | 93 | 24 | 13.9 | 5 | 0.3 |
| 20-05-2025 05:00 | 50.29185 | -3.61628 | 0.32 | 0.54 | 5 | 3.9 | 93 | 28 | 13.9 | 5.1 | 0.26 |
| 20-05-2025 04:30 | 50.29186 | -3.61624 | 0.34 | 0.55 | 5.6 | 3.9 | 97 | 21 | 14 | 5.1 | 0.29 |
| 20-05-2025 04:00 | 50.29185 | -3.61618 | 0.34 | 0.55 | 5.6 | 3.9 | 94 | 26 | 14 | 5.1 | 0.29 |
| 20-05-2025 03:30 | 50.29185 | -3.61618 | 0.38 | 0.64 | 5.3 | 4 | 96 | 21 | 14.1 | 5 | 0.35 |
| 20-05-2025 03:00 | 50.29184 | -3.61611 | 0.42 | 0.67 | 5.3 | 4.1 | 96 | 21 | 14.1 | 5.1 | 0.44 |
| 20-05-2025 02:30 | 50.29182 | -3.61605 | 0.45 | 0.84 | 5 | 4 | 97 | 21 | 14.1 | 5 | 0.49 |
| 20-05-2025 02:00 | 50.29183 | -3.61598 | 0.47 | 0.76 | 5 | 4 | 96 | 19 | 14.1 | 5 | 0.54 |
| 20-05-2025 01:30 | 50.29181 | -3.61588 | 0.51 | 0.87 | 5 | 4.1 | 103 | 17 | 14.2 | 5 | 0.63 |
| 20-05-2025 01:00 | 50.29182 | -3.61573 | 0.54 | 0.9 | 5.3 | 4.1 | 97 | 21 | 14.2 | 4.9 | 0.69 |
| 20-05-2025 00:30 | 50.29187 | -3.61549 | 0.53 | 0.91 | 5 | 4.1 | 98 | 24 | 14.2 | 5 | 0.68 |
| 20-05-2025 00:00 | 50.29208 | -3.61521 | 0.54 | 1.06 | 5.3 | 4.1 | 103 | 19 | 14.2 | 4.8 | 0.69 |
| 19-05-2025 23:30 | 50.29229 | -3.61510 | 0.56 | 0.84 | 5 | 4.1 | 94 | 21 | 14.2 | 4.8 | 0.73 |
| 19-05-2025 23:00 | 50.29238 | -3.61510 | 0.61 | 0.9 | 5.3 | 4.1 | 97 | 22 | 14.2 | 4.7 | 0.86 |
| 19-05-2025 22:30 | 50.29261 | -3.61525 | 0.55 | 0.77 | 4.6 | 3.9 | 98 | 23 | 14 | 4.6 | 0.68 |
| 19-05-2025 22:00 | 50.29257 | -3.61521 | 0.56 | 0.77 | 4.8 | 4 | 96 | 25 | 14 | 4.7 | 0.72 |
| 19-05-2025 21:30 | 50.29261 | -3.61525 | 0.58 | 0.86 | 4.8 | 4 | 100 | 17 | 13.9 | 4.6 | 0.76 |
| 19-05-2025 21:00 | 50.29260 | -3.61527 | 0.56 | 0.89 | 4.8 | 4 | 101 | 23 | 13.9 | 4.6 | 0.7 |
| 19-05-2025 20:30 | 50.29263 | -3.61570 | 0.52 | 0.78 | 4.8 | 3.8 | 97 | 25 | 13.9 | 4.5 | 0.59 |
| 19-05-2025 20:00 | 50.29208 | -3.61628 | 0.57 | 0.93 | 4.8 | 3.9 | 97 | 19 | 13.9 | 4.5 | 0.72 |
| 19-05-2025 19:30 | 50.29205 | -3.61641 | 0.58 | 0.84 | 5.3 | 4 | 100 | 20 | 14 | 4.6 | 0.76 |
| 19-05-2025 19:00 | 50.29204 | -3.61643 | 0.62 | 0.92 | 5 | 4 | 98 | 23 | 14.1 | 4.6 | 0.87 |
| 19-05-2025 18:30 | 50.29203 | -3.61641 | 0.66 | 0.97 | 5.3 | 4.1 | 100 | 17 | 14.4 | 4.6 | 0.99 |
| 19-05-2025 18:00 | 50.29198 | -3.61639 | 0.62 | 1.16 | 5 | 3.9 | 98 | 20 | 14.5 | 4.5 | 0.85 |
| 19-05-2025 17:30 | 50.29194 | -3.61637 | 0.71 | 1.1 | 5 | 4 | 96 | 15 | 14.6 | 4.6 | 1.13 |
| 19-05-2025 17:00 | 50.29193 | -3.61637 | 0.73 | 1.06 | 5.3 | 4 | 98 | 20 | 14.4 | 4.6 | 1.21 |
| 19-05-2025 16:30 | 50.29192 | -3.61633 | 0.71 | 1.31 | 5.3 | 4 | 98 | 26 | 14.4 | 4.5 | 1.11 |
| 19-05-2025 16:00 | 50.29194 | -3.61633 | 0.74 | 1.11 | 5 | 4 | 101 | 19 | 14.3 | 4.6 | 1.23 |
| 19-05-2025 15:30 | 50.29194 | -3.61633 | 0.79 | 1.22 | 4.8 | 4 | 98 | 24 | 14.3 | 4.5 | 1.39 |
| 19-05-2025 15:00 | 50.29192 | -3.61628 | 0.8 | 1.3 | 5.3 | 3.9 | 98 | 19 | 14.2 | 4.5 | 1.41 |
| 19-05-2025 14:30 | 50.29198 | -3.61635 | 0.73 | 1.09 | 5 | 3.8 | 104 | 21 | 14.1 | 4.5 | 1.16 |
| 19-05-2025 14:00 | 50.29203 | -3.61641 | 0.74 | 1.17 | 4.8 | 3.8 | 104 | 24 | 14.1 | 4.4 | 1.18 |
| 19-05-2025 13:30 | 50.29236 | -3.61652 | 0.74 | 1.27 | 4.8 | 3.7 | 96 | 28 | 14.1 | 4.3 | 1.15 |
| 19-05-2025 13:00 | 50.29265 | -3.61605 | 0.83 | 1.72 | 4.6 | 3.7 | 101 | 24 | 14 | 4.2 | 1.43 |
| 19-05-2025 12:30 | 50.29274 | -3.61566 | 0.84 | 1.32 | 4.8 | 3.7 | 98 | 22 | 14 | 4.4 | 1.51 |
| 19-05-2025 12:00 | 50.29273 | -3.61557 | 0.81 | 1.16 | 4.6 | 3.6 | 96 | 27 | 13.9 | 4.2 | 1.34 |
| 19-05-2025 11:30 | 50.29275 | -3.61555 | 0.82 | 1.45 | 4.6 | 3.5 | 103 | 26 | 13.9 | 4.1 | 1.35 |
| 19-05-2025 11:00 | 50.29275 | -3.61557 | 0.85 | 1.32 | 4.6 | 3.6 | 115 | 23 | 13.9 | 4.1 | 1.44 |
