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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 27-04-2025 08:30 | 50.29184 | -3.61618 | 0.46 | 0.7 | 10 | 6.2 | 146 | 43 | 11.8 | 8.3 | 0.86 |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 19-07-2024 00:00 | 50.29198 | -3.61618 | 0.14 | 0.25 | 5.3 | 3.3 | 121 | 46 | 16.9 | 5.1 | 0.05 |
| 18-07-2024 23:30 | 50.29194 | -3.61615 | 0.14 | 0.21 | 14.3 | 3.3 | 207 | 62 | 16.8 | 5.1 | 0.05 |
| 18-07-2024 23:00 | 50.29189 | -3.61609 | 0.15 | 0.19 | 13.3 | 3.2 | 153 | 70 | 16.8 | 4.9 | 0.05 |
| 18-07-2024 22:30 | 50.29184 | -3.61598 | 0.17 | 0.27 | 5.9 | 3.2 | 160 | 49 | 17.4 | 4.8 | 0.07 |
| 18-07-2024 22:00 | 50.29184 | -3.61596 | 0.18 | 0.28 | 14.3 | 3.3 | 172 | 57 | 17.7 | 4.8 | 0.08 |
| 18-07-2024 21:30 | 50.29185 | -3.61596 | 0.18 | 0.25 | 13.3 | 3.3 | 228 | 78 | 17.5 | 4.8 | 0.08 |
| 18-07-2024 21:00 | 50.29184 | -3.61594 | 0.18 | 0.28 | 13.3 | 3.3 | 191 | 62 | 17.4 | 5 | 0.08 |
| 18-07-2024 20:30 | 50.29184 | -3.61592 | 0.18 | 0.26 | 3.7 | 3.3 | 149 | 35 | 17.5 | 4.9 | 0.08 |
| 18-07-2024 20:00 | 50.29184 | -3.61590 | 0.19 | 0.3 | 2.9 | 3.4 | 106 | 33 | 17.7 | 4.9 | 0.09 |
| 18-07-2024 19:30 | 50.29183 | -3.61579 | 0.2 | 0.27 | 2.9 | 3.3 | 108 | 33 | 17.7 | 4.5 | 0.09 |
| 18-07-2024 19:00 | 50.29181 | -3.61566 | 0.21 | 0.27 | 6.7 | 3.5 | 172 | 27 | 18.1 | 4.9 | 0.11 |
| 18-07-2024 18:30 | 50.29189 | -3.61530 | 0.2 | 0.36 | 3.6 | 3.3 | 113 | 38 | 18.1 | 4.5 | 0.09 |
| 18-07-2024 18:00 | 50.29220 | -3.61504 | 0.22 | 0.3 | 2.9 | 3.2 | 96 | 36 | 18 | 4.3 | 0.1 |
| 18-07-2024 17:30 | 50.29236 | -3.61504 | 0.23 | 0.39 | 3.1 | 3.1 | 107 | 42 | 17.9 | 4 | 0.1 |
| 18-07-2024 17:00 | 50.29245 | -3.61508 | 0.26 | 0.38 | 2.8 | 3.2 | 82 | 36 | 17.7 | 4.1 | 0.14 |
| 18-07-2024 16:30 | 50.29258 | -3.61523 | 0.24 | 0.43 | 2.8 | 3 | 70 | 38 | 17.7 | 3.9 | 0.11 |
| 18-07-2024 16:00 | 50.29262 | -3.61534 | 0.26 | 0.36 | 5.6 | 3.1 | 62 | 63 | 18.7 | 4 | 0.13 |
| 18-07-2024 15:30 | 50.29264 | -3.61538 | 0.26 | 0.37 | 2.9 | 2.9 | 96 | 42 | 18.2 | 3.8 | 0.13 |
| 18-07-2024 15:00 | 50.29263 | -3.61532 | 0.26 | 0.43 | 2.3 | 2.7 | 97 | 44 | 18.4 | 3.4 | 0.11 |
| 18-07-2024 14:30 | 50.29263 | -3.61536 | 0.25 | 0.36 | 2.5 | 2.6 | 103 | 43 | 18.2 | 3.3 | 0.1 |
| 18-07-2024 14:00 | 50.29262 | -3.61547 | 0.25 | 0.31 | 2.4 | 2.5 | 111 | 38 | 18.1 | 3.3 | 0.1 |
| 18-07-2024 13:30 | 50.29263 | -3.61570 | 0.25 | 0.42 | 2.2 | 2.5 | 115 | 40 | 17.7 | 3.1 | 0.1 |
| 18-07-2024 13:00 | 50.29245 | -3.61611 | 0.25 | 0.34 | 2.3 | 2.5 | 111 | 37 | 17.5 | 3.3 | 0.1 |
| 18-07-2024 12:30 | 50.29222 | -3.61624 | 0.24 | 0.37 | 2.3 | 2.5 | 118 | 33 | 17.3 | 3.3 | 0.09 |
| 18-07-2024 12:00 | 50.29209 | -3.61622 | 0.24 | 0.35 | 4.2 | 2.6 | 125 | 32 | 17.3 | 3.5 | 0.1 |
| 18-07-2024 11:30 | 50.29203 | -3.61620 | 0.23 | 0.36 | 2.5 | 2.5 | 120 | 31 | 17 | 3.5 | 0.09 |
| 18-07-2024 11:00 | 50.29198 | -3.61618 | 0.22 | 0.29 | 2.2 | 2.5 | 108 | 30 | 16.9 | 3.5 | 0.08 |
| 18-07-2024 10:30 | 50.29188 | -3.61605 | 0.21 | 0.32 | 2 | 2.5 | 93 | 32 | 17 | 3.6 | 0.08 |
| 18-07-2024 10:00 | 50.29185 | -3.61598 | 0.22 | 0.3 | 6.7 | 2.8 | 177 | 37 | 17 | 4.1 | 0.1 |
| 18-07-2024 09:30 | 50.29186 | -3.61598 | 0.2 | 0.27 | 4.4 | 2.9 | 167 | 47 | 17 | 4.6 | 0.09 |
| 18-07-2024 09:00 | 50.29188 | -3.61600 | 0.19 | 0.31 | 6.7 | 3 | 165 | 34 | 16.9 | 5 | 0.09 |
| 18-07-2024 08:30 | 50.29187 | -3.61598 | 0.19 | 0.29 | 6.7 | 2.9 | 172 | 26 | 16.9 | 4.9 | 0.09 |
| 18-07-2024 08:00 | 50.29187 | -3.61598 | 0.18 | 0.28 | 6.7 | 3.2 | 166 | 26 | 16.9 | 5.4 | 0.09 |
| 18-07-2024 07:30 | 50.29185 | -3.61594 | 0.2 | 0.29 | 6.3 | 3.2 | 166 | 33 | 16.9 | 5 | 0.1 |
| 18-07-2024 07:00 | 50.29186 | -3.61585 | 0.19 | 0.28 | 6.7 | 3.6 | 172 | 23 | 16.7 | 5.4 | 0.1 |
| 18-07-2024 06:30 | 50.29188 | -3.61583 | 0.19 | 0.31 | 6.7 | 3.7 | 173 | 24 | 16.6 | 5.4 | 0.1 |
| 18-07-2024 06:00 | 50.29235 | -3.61538 | 0.18 | 0.31 | 6.7 | 3.9 | 167 | 30 | 16.5 | 5.4 | 0.09 |
| 18-07-2024 05:30 | 50.29246 | -3.61530 | 0.17 | 0.26 | 6.7 | 3.8 | 174 | 39 | 16.5 | 5.4 | 0.08 |
| 18-07-2024 05:00 | 50.29255 | -3.61532 | 0.18 | 0.25 | 4.6 | 3.9 | 122 | 38 | 16.4 | 5.3 | 0.08 |
| 18-07-2024 04:30 | 50.29252 | -3.61523 | 0.18 | 0.23 | 7.1 | 4 | 163 | 46 | 16.5 | 5.4 | 0.09 |
| 18-07-2024 04:00 | 50.29256 | -3.61527 | 0.18 | 0.29 | 6.7 | 3.7 | 170 | 41 | 16.5 | 5.2 | 0.08 |
| 18-07-2024 03:30 | 50.29256 | -3.61523 | 0.19 | 0.31 | 4 | 3.7 | 84 | 65 | 16.4 | 5 | 0.09 |
| 18-07-2024 03:00 | 50.29259 | -3.61527 | 0.19 | 0.26 | 13.3 | 3.8 | 139 | 44 | 16.3 | 5.2 | 0.09 |
| 18-07-2024 02:30 | 50.29261 | -3.61527 | 0.19 | 0.32 | 3.9 | 3.7 | 134 | 56 | 16.4 | 5.1 | 0.09 |
| 18-07-2024 02:00 | 50.29259 | -3.61530 | 0.21 | 0.3 | 4.2 | 3.8 | 155 | 61 | 16.5 | 4.9 | 0.11 |
| 18-07-2024 01:30 | 50.29260 | -3.61536 | 0.19 | 0.27 | 4.8 | 3.5 | 113 | 53 | 16.4 | 5 | 0.09 |
| 18-07-2024 01:00 | 50.29262 | -3.61551 | 0.18 | 0.29 | 6.3 | 3.4 | 151 | 73 | 16.5 | 4.9 | 0.08 |
| 18-07-2024 00:30 | 50.29236 | -3.61615 | 0.18 | 0.26 | 13.3 | 3.5 | 181 | 52 | 16.5 | 5 | 0.08 |
| 18-07-2024 00:00 | 50.29209 | -3.61618 | 0.18 | 0.29 | 5.6 | 3.6 | 166 | 61 | 16.5 | 5 | 0.08 |
