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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 12-05-2025 18:00 | 50.29274 | -3.61549 | 0.38 | 0.53 | 3 | 2.8 | 90 | 36 | 13 | 3.9 | 0.27 |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18-07-2024 00:00 | 50.29209 | -3.61618 | 0.18 | 0.29 | 5.6 | 3.6 | 166 | 61 | 16.5 | 5 | 0.08 |
| 17-07-2024 23:30 | 50.29201 | -3.61615 | 0.18 | 0.27 | 13.3 | 3.6 | 196 | 45 | 16.4 | 5.1 | 0.08 |
| 17-07-2024 23:00 | 50.29196 | -3.61611 | 0.19 | 0.28 | 4.8 | 3.7 | 141 | 53 | 16.4 | 5 | 0.09 |
| 17-07-2024 22:30 | 50.29190 | -3.61607 | 0.2 | 0.34 | 7.1 | 3.7 | 181 | 33 | 16.3 | 5 | 0.1 |
| 17-07-2024 22:00 | 50.29186 | -3.61598 | 0.21 | 0.31 | 7.1 | 4 | 165 | 32 | 17 | 5.5 | 0.12 |
| 17-07-2024 21:30 | 50.29187 | -3.61600 | 0.24 | 0.42 | 7.1 | 4.6 | 174 | 30 | 17 | 5.8 | 0.16 |
| 17-07-2024 21:00 | 50.29187 | -3.61596 | 0.24 | 0.37 | 6.7 | 4.8 | 167 | 31 | 17 | 6.1 | 0.17 |
| 17-07-2024 20:30 | 50.29186 | -3.61596 | 0.22 | 0.34 | 6.7 | 4.5 | 176 | 29 | 17 | 5.9 | 0.14 |
| 17-07-2024 20:00 | 50.29184 | -3.61588 | 0.24 | 0.4 | 6.3 | 4.7 | 166 | 37 | 17 | 6.1 | 0.17 |
| 17-07-2024 19:30 | 50.29184 | -3.61583 | 0.26 | 0.4 | 6.7 | 4.8 | 172 | 23 | 17.1 | 6.2 | 0.21 |
| 17-07-2024 19:00 | 50.29184 | -3.61573 | 0.26 | 0.38 | 6.7 | 4.9 | 169 | 19 | 17.1 | 6.3 | 0.21 |
| 17-07-2024 18:30 | 50.29213 | -3.61521 | 0.27 | 0.41 | 6.7 | 4.7 | 172 | 22 | 17.2 | 6.2 | 0.22 |
| 17-07-2024 18:00 | 50.29240 | -3.61508 | 0.25 | 0.38 | 7.1 | 4.7 | 176 | 25 | 17.2 | 6.4 | 0.2 |
| 17-07-2024 17:30 | 50.29242 | -3.61504 | 0.25 | 0.42 | 6.7 | 4.5 | 176 | 24 | 17.2 | 5.9 | 0.18 |
| 17-07-2024 17:00 | 50.29249 | -3.61510 | 0.25 | 0.39 | 6.7 | 4.3 | 177 | 30 | 17.3 | 5.6 | 0.17 |
| 17-07-2024 16:30 | 50.29252 | -3.61515 | 0.25 | 0.37 | 6.7 | 4.4 | 176 | 30 | 17.2 | 5.8 | 0.18 |
| 17-07-2024 16:00 | 50.29260 | -3.61525 | 0.24 | 0.33 | 6.7 | 4.3 | 173 | 39 | 17.1 | 5.6 | 0.16 |
| 17-07-2024 15:30 | 50.29263 | -3.61530 | 0.25 | 0.42 | 7.1 | 4.4 | 174 | 26 | 17 | 5.8 | 0.18 |
| 17-07-2024 15:00 | 50.29263 | -3.61530 | 0.27 | 0.42 | 7.7 | 4.2 | 173 | 29 | 16.8 | 5.7 | 0.21 |
| 17-07-2024 14:30 | 50.29265 | -3.61534 | 0.23 | 0.33 | 7.1 | 3.9 | 170 | 45 | 16.8 | 5.5 | 0.14 |
| 17-07-2024 14:00 | 50.29264 | -3.61538 | 0.2 | 0.32 | 6.7 | 3.6 | 181 | 42 | 16.8 | 5.2 | 0.1 |
| 17-07-2024 13:30 | 50.29264 | -3.61542 | 0.23 | 0.37 | 7.7 | 3.5 | 173 | 38 | 16.9 | 5 | 0.13 |
| 17-07-2024 13:00 | 50.29264 | -3.61547 | 0.24 | 0.39 | 3.9 | 3.5 | 121 | 48 | 17 | 4.8 | 0.14 |
| 17-07-2024 12:30 | 50.29265 | -3.61557 | 0.24 | 0.39 | 3.6 | 3.6 | 143 | 47 | 16.9 | 4.8 | 0.14 |
| 17-07-2024 12:00 | 50.29258 | -3.61592 | 0.26 | 0.41 | 4.6 | 3.8 | 132 | 46 | 16.9 | 4.8 | 0.16 |
| 17-07-2024 11:30 | 50.29228 | -3.61622 | 0.21 | 0.31 | 7.1 | 3.6 | 167 | 53 | 17 | 5.1 | 0.11 |
| 17-07-2024 11:00 | 50.29212 | -3.61620 | 0.24 | 0.35 | 7.1 | 3.2 | 165 | 43 | 16.8 | 4.8 | 0.13 |
| 17-07-2024 10:30 | 50.29206 | -3.61620 | 0.26 | 0.38 | 7.1 | 3.3 | 170 | 31 | 16.7 | 5.1 | 0.17 |
| 17-07-2024 10:00 | 50.29196 | -3.61609 | 0.29 | 0.43 | 7.1 | 3.9 | 176 | 24 | 16.8 | 6 | 0.25 |
| 17-07-2024 09:30 | 50.29191 | -3.61603 | 0.34 | 0.52 | 7.1 | 4.8 | 179 | 19 | 16.7 | 6.5 | 0.37 |
| 17-07-2024 09:00 | 50.29188 | -3.61596 | 0.35 | 0.57 | 7.1 | 5.5 | 177 | 19 | 16.6 | 6.6 | 0.4 |
| 17-07-2024 08:30 | 50.29186 | -3.61594 | 0.37 | 0.62 | 8.3 | 5.6 | 180 | 23 | 16.4 | 6.8 | 0.46 |
| 17-07-2024 08:00 | 50.29184 | -3.61585 | 0.4 | 0.62 | 7.7 | 5.8 | 186 | 17 | 16.3 | 6.9 | 0.54 |
| 17-07-2024 07:30 | 50.29183 | -3.61577 | 0.37 | 0.52 | 7.1 | 5.6 | 181 | 17 | 16.2 | 6.9 | 0.46 |
| 17-07-2024 07:00 | 50.29181 | -3.61568 | 0.39 | 0.68 | 8.3 | 6 | 190 | 17 | 16.1 | 7.1 | 0.53 |
| 17-07-2024 06:30 | 50.29183 | -3.61551 | 0.36 | 0.57 | 8.3 | 5.4 | 183 | 20 | 16 | 6.7 | 0.42 |
| 17-07-2024 06:00 | 50.29190 | -3.61519 | 0.38 | 0.61 | 7.1 | 5.3 | 180 | 20 | 16 | 6.8 | 0.48 |
| 17-07-2024 05:30 | 50.29220 | -3.61500 | 0.33 | 0.45 | 8.3 | 5.2 | 184 | 18 | 15.9 | 6.6 | 0.35 |
| 17-07-2024 05:00 | 50.29236 | -3.61500 | 0.35 | 0.58 | 8.3 | 5.2 | 184 | 16 | 15.9 | 6.8 | 0.41 |
| 17-07-2024 04:30 | 50.29249 | -3.61512 | 0.36 | 0.63 | 8.3 | 5.3 | 186 | 17 | 15.9 | 6.8 | 0.43 |
| 17-07-2024 04:00 | 50.29256 | -3.61523 | 0.34 | 0.48 | 8.3 | 5.3 | 186 | 19 | 16 | 6.9 | 0.39 |
| 17-07-2024 03:30 | 50.29258 | -3.61523 | 0.32 | 0.56 | 9.1 | 5.3 | 187 | 21 | 15.9 | 6.8 | 0.34 |
| 17-07-2024 03:00 | 50.29259 | -3.61523 | 0.28 | 0.43 | 7.7 | 4.9 | 180 | 26 | 16 | 6.3 | 0.24 |
| 17-07-2024 02:30 | 50.29263 | -3.61530 | 0.26 | 0.38 | 10 | 4.9 | 184 | 22 | 16.1 | 6.7 | 0.22 |
| 17-07-2024 02:00 | 50.29262 | -3.61530 | 0.28 | 0.42 | 7.7 | 5 | 179 | 29 | 16 | 6.9 | 0.26 |
| 17-07-2024 01:30 | 50.29261 | -3.61534 | 0.27 | 0.46 | 7.7 | 4.8 | 179 | 24 | 16.1 | 6.6 | 0.24 |
| 17-07-2024 01:00 | 50.29262 | -3.61538 | 0.25 | 0.37 | 7.7 | 4.4 | 174 | 30 | 16.1 | 6.2 | 0.19 |
| 17-07-2024 00:30 | 50.29262 | -3.61547 | 0.26 | 0.36 | 7.7 | 4.2 | 179 | 28 | 16.1 | 6 | 0.2 |
| 17-07-2024 00:00 | 50.29262 | -3.61555 | 0.25 | 0.36 | 7.7 | 4 | 177 | 29 | 16.1 | 5.8 | 0.18 |
