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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 17-03-2026 06:00 | 50.29251 | -3.61706 | 0.95 | 1.55 | 5.6 | 4.3 | 176 | 21 | 10.6 | 6.2 | 2.76 |
| Date | Highest Hs 2026 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
|---|---|---|---|
| 23-01 | 4.7m | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 25-05-2024 00:00 | 50.29187 | -3.61605 | 0.19 | 0.27 | 18.2 | 4.8 | 120 | 48 | 13.4 | 8.8 | 0.16 |
| 24-05-2024 23:30 | 50.29185 | -3.61596 | 0.21 | 0.33 | 18.2 | 4.9 | 121 | 68 | 13.4 | 7.7 | 0.17 |
| 24-05-2024 23:00 | 50.29182 | -3.61590 | 0.24 | 0.36 | 18.2 | 5.6 | 198 | 58 | 13.3 | 11.2 | 0.32 |
| 24-05-2024 22:30 | 50.29182 | -3.61581 | 0.22 | 0.3 | 18.2 | 5 | 218 | 61 | 13.5 | 9 | 0.21 |
| 24-05-2024 22:00 | 50.29179 | -3.61573 | 0.22 | 0.34 | 18.2 | 4.9 | 221 | 53 | 13.5 | 9.3 | 0.22 |
| 24-05-2024 21:30 | 50.29178 | -3.61566 | 0.25 | 0.33 | 18.2 | 4.9 | 214 | 52 | 13.6 | 9 | 0.28 |
| 24-05-2024 21:00 | 50.29177 | -3.61551 | 0.24 | 0.37 | 18.2 | 4.4 | 188 | 54 | 13.6 | 6.6 | 0.19 |
| 24-05-2024 20:30 | 50.29198 | -3.61508 | 0.23 | 0.33 | 16.7 | 4.2 | 146 | 67 | 13.7 | 6.9 | 0.18 |
| 24-05-2024 20:00 | 50.29235 | -3.61500 | 0.23 | 0.34 | 16.7 | 4.3 | 158 | 60 | 13.7 | 7.4 | 0.19 |
| 24-05-2024 19:30 | 50.29248 | -3.61506 | 0.23 | 0.39 | 16.7 | 4 | 191 | 69 | 13.7 | 6.4 | 0.17 |
| 24-05-2024 19:00 | 50.29252 | -3.61510 | 0.23 | 0.28 | 15.4 | 3.8 | 118 | 57 | 13.8 | 6.2 | 0.16 |
| 24-05-2024 18:30 | 50.29256 | -3.61512 | 0.23 | 0.3 | 16.7 | 4 | 127 | 48 | 13.8 | 6.8 | 0.18 |
| 24-05-2024 18:00 | 50.29258 | -3.61519 | 0.23 | 0.33 | 16.7 | 3.9 | 96 | 47 | 13.7 | 6.1 | 0.16 |
| 24-05-2024 17:30 | 50.29258 | -3.61517 | 0.23 | 0.32 | 15.4 | 3.5 | 190 | 47 | 13.8 | 5.5 | 0.14 |
| 24-05-2024 17:00 | 50.29260 | -3.61519 | 0.24 | 0.4 | 4.2 | 3.1 | 132 | 50 | 13.8 | 4.8 | 0.14 |
| 24-05-2024 16:30 | 50.29261 | -3.61523 | 0.25 | 0.33 | 1.8 | 2.8 | 177 | 26 | 13.8 | 4.2 | 0.13 |
| 24-05-2024 16:00 | 50.29264 | -3.61542 | 0.3 | 0.4 | 15.4 | 2.6 | 207 | 54 | 13.7 | 4.1 | 0.18 |
| 24-05-2024 15:30 | 50.29257 | -3.61596 | 0.3 | 0.39 | 15.4 | 2.8 | 200 | 42 | 13.7 | 4.7 | 0.21 |
| 24-05-2024 15:00 | 50.29207 | -3.61624 | 0.28 | 0.36 | 16.7 | 2.9 | 245 | 34 | 13.7 | 5.3 | 0.2 |
| 24-05-2024 14:30 | 50.29194 | -3.61613 | 0.26 | 0.37 | 16.7 | 3 | 236 | 31 | 13.8 | 5.4 | 0.18 |
| 24-05-2024 14:00 | 50.29191 | -3.61611 | 0.25 | 0.31 | 16.7 | 3.2 | 254 | 51 | 13.7 | 5.9 | 0.18 |
| 24-05-2024 13:30 | 50.29194 | -3.61615 | 0.24 | 0.4 | 18.2 | 3.1 | 221 | 55 | 13.8 | 5.5 | 0.15 |
| 24-05-2024 13:00 | 50.29197 | -3.61618 | 0.25 | 0.39 | 18.2 | 3.1 | 219 | 73 | 13.8 | 5.5 | 0.17 |
| 24-05-2024 12:30 | 50.29185 | -3.61603 | 0.26 | 0.45 | 5.9 | 3.5 | 174 | 35 | 13.7 | 5.9 | 0.2 |
| 24-05-2024 12:00 | 50.29183 | -3.61598 | 0.25 | 0.41 | 5.9 | 3.6 | 172 | 38 | 13.7 | 6 | 0.18 |
| 24-05-2024 11:30 | 50.29182 | -3.61590 | 0.23 | 0.4 | 5.9 | 4.2 | 167 | 33 | 13.8 | 6 | 0.16 |
| 24-05-2024 11:00 | 50.29182 | -3.61590 | 0.25 | 0.36 | 6.2 | 4.8 | 158 | 37 | 13.8 | 6.6 | 0.2 |
| 24-05-2024 10:30 | 50.29179 | -3.61581 | 0.25 | 0.35 | 5.9 | 4.9 | 167 | 28 | 13.7 | 7 | 0.22 |
| 24-05-2024 10:00 | 50.29181 | -3.61577 | 0.25 | 0.41 | 20 | 5.1 | 215 | 42 | 13.8 | 7.8 | 0.24 |
| 24-05-2024 09:30 | 50.29181 | -3.61566 | 0.26 | 0.4 | 6.7 | 4.8 | 172 | 28 | 13.7 | 6.9 | 0.23 |
| 24-05-2024 09:00 | 50.29177 | -3.61551 | 0.26 | 0.43 | 6.7 | 4.6 | 177 | 31 | 13.7 | 6.9 | 0.23 |
| 24-05-2024 08:30 | 50.29184 | -3.61530 | 0.24 | 0.39 | 5.9 | 4.7 | 172 | 37 | 13.8 | 6.7 | 0.19 |
| 24-05-2024 08:00 | 50.29216 | -3.61495 | 0.24 | 0.38 | 7.7 | 4.6 | 200 | 47 | 13.6 | 6.4 | 0.18 |
| 24-05-2024 07:30 | 50.29249 | -3.61506 | 0.24 | 0.39 | 6.2 | 4.8 | 167 | 40 | 13.6 | 6.3 | 0.18 |
| 24-05-2024 07:00 | 50.29259 | -3.61519 | 0.23 | 0.36 | 6.2 | 4.7 | 173 | 37 | 13.6 | 6.8 | 0.18 |
| 24-05-2024 06:30 | 50.29259 | -3.61521 | 0.23 | 0.37 | 5.9 | 4.9 | 176 | 36 | 13.6 | 6.3 | 0.16 |
| 24-05-2024 06:00 | 50.29259 | -3.61521 | 0.2 | 0.3 | 7.7 | 4.8 | 179 | 39 | 13.5 | 6.7 | 0.13 |
| 24-05-2024 05:30 | 50.29258 | -3.61519 | 0.2 | 0.33 | 6.7 | 4.8 | 174 | 43 | 13.4 | 6.4 | 0.12 |
| 24-05-2024 05:00 | 50.29258 | -3.61519 | 0.19 | 0.3 | 4.8 | 4.6 | 134 | 59 | 13.4 | 6.1 | 0.11 |
| 24-05-2024 04:30 | 50.29260 | -3.61521 | 0.2 | 0.34 | 5 | 4.5 | 110 | 56 | 13.4 | 6.2 | 0.12 |
| 24-05-2024 04:00 | 50.29262 | -3.61530 | 0.19 | 0.31 | 5 | 4.4 | 138 | 46 | 13.4 | 6 | 0.11 |
| 24-05-2024 03:30 | 50.29263 | -3.61536 | 0.2 | 0.31 | 16.7 | 4.8 | 202 | 48 | 13.4 | 6.5 | 0.13 |
| 24-05-2024 03:00 | 50.29216 | -3.61620 | 0.19 | 0.31 | 7.7 | 4.9 | 136 | 52 | 13.4 | 6.5 | 0.12 |
| 24-05-2024 02:30 | 50.29197 | -3.61613 | 0.18 | 0.25 | 6.2 | 4.9 | 146 | 51 | 13.4 | 6.7 | 0.11 |
| 24-05-2024 02:00 | 50.29194 | -3.61613 | 0.19 | 0.27 | 7.7 | 5.1 | 138 | 60 | 13.3 | 7.3 | 0.13 |
| 24-05-2024 01:30 | 50.29190 | -3.61609 | 0.19 | 0.34 | 6.2 | 5.3 | 139 | 50 | 13.4 | 7.4 | 0.13 |
| 24-05-2024 01:00 | 50.29193 | -3.61613 | 0.18 | 0.32 | 18.2 | 5.3 | 210 | 54 | 13.4 | 7.6 | 0.12 |
| 24-05-2024 00:30 | 50.29190 | -3.61607 | 0.2 | 0.3 | 7.7 | 5.3 | 169 | 45 | 13.3 | 7 | 0.14 |
| 24-05-2024 00:00 | 50.29186 | -3.61603 | 0.21 | 0.28 | 8.3 | 5.3 | 163 | 42 | 13.6 | 7 | 0.15 |
