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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15-05-2025 14:30 | 50.29194 | -3.61635 | 0.46 | 0.67 | 6.3 | 3.7 | 89 | 22 | 13.6 | 4.5 | 0.47 |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 22-05-2024 00:00 | 50.29191 | -3.61611 | 0.2 | 0.31 | 15.4 | 3.8 | 288 | 69 | 14.4 | 5.6 | 0.11 |
| 21-05-2024 23:30 | 50.29192 | -3.61613 | 0.2 | 0.31 | 15.4 | 4.2 | 127 | 67 | 14.5 | 5.8 | 0.11 |
| 21-05-2024 23:00 | 50.29186 | -3.61603 | 0.21 | 0.31 | 4.8 | 4.6 | 100 | 44 | 14.4 | 5.8 | 0.13 |
| 21-05-2024 22:30 | 50.29185 | -3.61598 | 0.21 | 0.3 | 4.6 | 4.4 | 106 | 33 | 14.5 | 5.5 | 0.12 |
| 21-05-2024 22:00 | 50.29183 | -3.61592 | 0.22 | 0.32 | 5 | 4.5 | 127 | 40 | 14.6 | 5.7 | 0.14 |
| 21-05-2024 21:30 | 50.29182 | -3.61590 | 0.24 | 0.45 | 5.3 | 4.5 | 120 | 43 | 14.8 | 5.4 | 0.15 |
| 21-05-2024 21:00 | 50.29179 | -3.61577 | 0.25 | 0.45 | 5.3 | 4.5 | 101 | 37 | 14.7 | 5.8 | 0.18 |
| 21-05-2024 20:30 | 50.29178 | -3.61575 | 0.26 | 0.44 | 5.3 | 4.6 | 110 | 31 | 14.7 | 5.5 | 0.18 |
| 21-05-2024 20:00 | 50.29178 | -3.61562 | 0.28 | 0.4 | 5.3 | 4.5 | 108 | 39 | 14.7 | 5.4 | 0.21 |
| 21-05-2024 19:30 | 50.29179 | -3.61545 | 0.28 | 0.42 | 5.3 | 4.7 | 115 | 34 | 14.8 | 5.6 | 0.22 |
| 21-05-2024 19:00 | 50.29189 | -3.61521 | 0.25 | 0.45 | 5.3 | 4.5 | 106 | 39 | 14.8 | 5.6 | 0.17 |
| 21-05-2024 18:30 | 50.29211 | -3.61497 | 0.26 | 0.4 | 5 | 4.5 | 98 | 32 | 14.9 | 5.3 | 0.18 |
| 21-05-2024 18:00 | 50.29227 | -3.61493 | 0.27 | 0.42 | 5.3 | 4.4 | 97 | 31 | 15 | 5.2 | 0.19 |
| 21-05-2024 17:30 | 50.29244 | -3.61502 | 0.28 | 0.55 | 5.3 | 4.3 | 80 | 42 | 15.3 | 5.1 | 0.2 |
| 21-05-2024 17:00 | 50.29249 | -3.61504 | 0.32 | 0.49 | 5.3 | 4.4 | 86 | 30 | 15.2 | 5 | 0.25 |
| 21-05-2024 16:30 | 50.29256 | -3.61508 | 0.34 | 0.53 | 5.3 | 4.3 | 91 | 27 | 15.7 | 5 | 0.28 |
| 21-05-2024 16:00 | 50.29263 | -3.61530 | 0.3 | 0.51 | 5.6 | 4.3 | 100 | 29 | 15 | 5.1 | 0.22 |
| 21-05-2024 15:30 | 50.29266 | -3.61542 | 0.34 | 0.55 | 5.3 | 4.3 | 93 | 31 | 15.3 | 5 | 0.28 |
| 21-05-2024 15:00 | 50.29267 | -3.61553 | 0.34 | 0.59 | 5.6 | 4 | 94 | 26 | 15.3 | 4.9 | 0.28 |
| 21-05-2024 14:30 | 50.29265 | -3.61568 | 0.34 | 0.51 | 5.3 | 3.8 | 94 | 28 | 15.2 | 4.8 | 0.27 |
| 21-05-2024 14:00 | 50.29248 | -3.61618 | 0.32 | 0.45 | 5.3 | 3.8 | 93 | 26 | 15.1 | 4.7 | 0.24 |
| 21-05-2024 13:30 | 50.29225 | -3.61626 | 0.35 | 0.54 | 5.6 | 4 | 97 | 23 | 14.7 | 4.9 | 0.29 |
| 21-05-2024 13:00 | 50.29218 | -3.61628 | 0.32 | 0.51 | 5.9 | 3.9 | 97 | 25 | 15.1 | 4.9 | 0.24 |
| 21-05-2024 12:30 | 50.29207 | -3.61626 | 0.32 | 0.47 | 5.3 | 4 | 94 | 27 | 15.1 | 4.9 | 0.25 |
| 21-05-2024 12:00 | 50.29198 | -3.61618 | 0.35 | 0.49 | 5.9 | 3.8 | 96 | 27 | 14.6 | 4.9 | 0.3 |
| 21-05-2024 11:30 | 50.29189 | -3.61607 | 0.34 | 0.51 | 5.9 | 3.5 | 94 | 28 | 13.9 | 4.7 | 0.27 |
| 21-05-2024 11:00 | 50.29189 | -3.61607 | 0.37 | 0.54 | 5.9 | 3.3 | 98 | 39 | 14.1 | 4.4 | 0.3 |
| 21-05-2024 10:30 | 50.29191 | -3.61609 | 0.39 | 0.57 | 5.9 | 3.3 | 101 | 27 | 14.7 | 4.3 | 0.32 |
| 21-05-2024 10:00 | 50.29188 | -3.61605 | 0.41 | 0.61 | 5.9 | 3.2 | 104 | 29 | 14.6 | 4.2 | 0.35 |
| 21-05-2024 09:30 | 50.29190 | -3.61611 | 0.42 | 0.66 | 5.6 | 3.4 | 101 | 24 | 14.6 | 4.4 | 0.38 |
| 21-05-2024 09:00 | 50.29186 | -3.61603 | 0.46 | 0.63 | 5.9 | 3.3 | 101 | 18 | 14.6 | 4.3 | 0.45 |
| 21-05-2024 08:30 | 50.29186 | -3.61603 | 0.44 | 0.72 | 5.9 | 3.2 | 100 | 21 | 14.6 | 4.4 | 0.42 |
| 21-05-2024 08:00 | 50.29184 | -3.61596 | 0.45 | 0.67 | 5.6 | 3.3 | 98 | 22 | 14.6 | 4.4 | 0.44 |
| 21-05-2024 07:30 | 50.29183 | -3.61590 | 0.45 | 0.74 | 5.6 | 3.5 | 97 | 31 | 14.5 | 4.6 | 0.45 |
| 21-05-2024 07:00 | 50.29179 | -3.61573 | 0.42 | 0.69 | 5.6 | 3.8 | 91 | 25 | 14.5 | 4.8 | 0.42 |
| 21-05-2024 06:30 | 50.29187 | -3.61530 | 0.41 | 0.66 | 5.3 | 3.9 | 96 | 29 | 14.5 | 4.9 | 0.4 |
| 21-05-2024 06:00 | 50.29228 | -3.61497 | 0.47 | 0.66 | 5.6 | 3.9 | 97 | 30 | 14.5 | 4.8 | 0.53 |
| 21-05-2024 05:30 | 50.29242 | -3.61502 | 0.49 | 0.67 | 5.6 | 4.1 | 94 | 28 | 14.4 | 4.9 | 0.58 |
| 21-05-2024 05:00 | 50.29251 | -3.61508 | 0.48 | 0.73 | 5.9 | 4.1 | 83 | 31 | 14.4 | 4.9 | 0.55 |
| 21-05-2024 04:30 | 50.29255 | -3.61512 | 0.46 | 0.88 | 5.3 | 4.2 | 84 | 33 | 14.3 | 5 | 0.51 |
| 21-05-2024 04:00 | 50.29258 | -3.61521 | 0.51 | 0.8 | 5.3 | 4.3 | 93 | 23 | 14.3 | 4.9 | 0.63 |
| 21-05-2024 03:30 | 50.29257 | -3.61517 | 0.5 | 0.74 | 5.6 | 4.5 | 87 | 27 | 14.3 | 5 | 0.62 |
| 21-05-2024 03:00 | 50.29259 | -3.61523 | 0.47 | 0.74 | 5.6 | 4.5 | 86 | 30 | 14.3 | 5 | 0.55 |
| 21-05-2024 02:30 | 50.29261 | -3.61532 | 0.46 | 0.72 | 5.6 | 4.6 | 90 | 29 | 14.2 | 5.1 | 0.53 |
| 21-05-2024 02:00 | 50.29264 | -3.61551 | 0.42 | 0.68 | 5.9 | 4.5 | 90 | 31 | 14.2 | 5.1 | 0.44 |
| 21-05-2024 01:30 | 50.29229 | -3.61626 | 0.39 | 0.62 | 5.9 | 4.6 | 97 | 24 | 14.2 | 5.2 | 0.39 |
| 21-05-2024 01:00 | 50.29203 | -3.61620 | 0.36 | 0.57 | 5.6 | 4.4 | 100 | 28 | 14.4 | 5.1 | 0.33 |
| 21-05-2024 00:30 | 50.29199 | -3.61620 | 0.34 | 0.58 | 6.3 | 4.4 | 96 | 20 | 14.5 | 5.2 | 0.29 |
| 21-05-2024 00:00 | 50.29194 | -3.61615 | 0.29 | 0.4 | 6.3 | 4.3 | 101 | 24 | 14.7 | 5.3 | 0.22 |
