National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.
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) |
|---|---|---|---|---|---|---|---|---|---|
| 12-05-2021 12:30 | 50.29193 | -3.61708 | 0.53 | 0.8 | 9.1 | 4.3 | 172 | 32 | 11 |
| Date | Highest Hs 2021 | Storm alert threshold (0.25 yr Return Period) |
|---|---|---|
| 09-02 | 4.4m | 3.07m |
| Time (GMT) | Latitude | Longitude | Wave Height (m) | Max Wave Height (m) | Tpeak (s) | Tz (s) | Peak Direction (degrees) | Spread (degrees) | Sea Temp (°C) |
|---|---|---|---|---|---|---|---|---|---|
| 30-09-2020 23:30 | 50.29211 | -3.61592 | 0.63 | 0.97 | 5.9 | 5.4 | 169 | 24 | 16.4 |
| 30-09-2020 22:30 | 50.29209 | -3.61588 | 0.8 | 1.19 | 5.6 | 5.7 | 166 | 22 | 16.4 |
| 30-09-2020 22:00 | 50.29213 | -3.61590 | 0.81 | 1.25 | 7.1 | 5.7 | 174 | 20 | 16.4 |
| 30-09-2020 21:30 | 50.29214 | -3.61590 | 0.78 | 1.1 | 5.9 | 5.5 | 163 | 26 | 16.4 |
| 30-09-2020 21:00 | 50.29216 | -3.61588 | 0.9 | 1.17 | 6.3 | 5.5 | 163 | 23 | 16.4 |
| 30-09-2020 20:30 | 50.29231 | -3.61562 | 0.96 | 1.56 | 6.3 | 5.3 | 167 | 27 | 16.4 |
| 30-09-2020 20:00 | 50.29269 | -3.61523 | 1.01 | 1.56 | 6.3 | 5.2 | 165 | 27 | 16.4 |
| 30-09-2020 19:30 | 50.29286 | -3.61523 | 1.04 | 1.41 | 5.9 | 5.1 | 159 | 25 | 16.4 |
| 30-09-2020 19:00 | 50.29290 | -3.61519 | 0.98 | 1.72 | 6.3 | 5 | 170 | 32 | 16.4 |
| 30-09-2020 18:30 | 50.29291 | -3.61515 | 1.16 | 1.66 | 6.7 | 5.3 | 167 | 24 | 16.4 |
| 30-09-2020 18:00 | 50.29291 | -3.61512 | 1.12 | 1.96 | 6.7 | 5.4 | 167 | 22 | 16.4 |
| 30-09-2020 17:30 | 50.29292 | -3.61510 | 1.05 | 1.53 | 6.7 | 5.1 | 169 | 30 | 16.5 |
| 30-09-2020 17:00 | 50.29292 | -3.61508 | 1.09 | 1.68 | 6.3 | 5.1 | 170 | 26 | 16.5 |
| 30-09-2020 16:30 | 50.29292 | -3.61508 | 1 | 1.37 | 6.3 | 4.8 | 172 | 37 | 16.5 |
| 30-09-2020 16:00 | 50.29293 | -3.61508 | 1.05 | 1.63 | 6.7 | 4.5 | 172 | 27 | 16.5 |
| 30-09-2020 15:30 | 50.29292 | -3.61510 | 1.17 | 1.63 | 6.3 | 4.3 | 170 | 26 | 16.5 |
| 30-09-2020 15:00 | 50.29292 | -3.61512 | 1.24 | 1.75 | 6.7 | 4.1 | 176 | 20 | 16.6 |
| 30-09-2020 14:30 | 50.29292 | -3.61545 | 1.39 | 1.89 | 6.7 | 4.3 | 172 | 21 | 16.6 |
| 30-09-2020 14:00 | 50.29240 | -3.61592 | 1.35 | 2.14 | 7.1 | 4.3 | 179 | 20 | 16.6 |
| 30-09-2020 13:30 | 50.29220 | -3.61596 | 1.47 | 2.21 | 6.7 | 4.5 | 183 | 16 | 16.6 |
| 30-09-2020 13:00 | 50.29222 | -3.61600 | 1.57 | 2.5 | 6.7 | 4.8 | 180 | 17 | 16.6 |
| 30-09-2020 12:30 | 50.29221 | -3.61598 | 1.55 | 2.58 | 6.7 | 4.7 | 180 | 14 | 16.5 |
| 30-09-2020 12:00 | 50.29219 | -3.61598 | 1.38 | 2.35 | 6.3 | 4.4 | 180 | 16 | 16.5 |
| 30-09-2020 11:30 | 50.29219 | -3.61598 | 1.32 | 2.13 | 6.3 | 4.3 | 179 | 19 | 16.5 |
| 30-09-2020 11:00 | 50.29218 | -3.61596 | 1.37 | 1.94 | 5.9 | 4.4 | 177 | 15 | 16.5 |
| 30-09-2020 10:30 | 50.29217 | -3.61596 | 1.19 | 1.85 | 6.3 | 4.3 | 180 | 15 | 16.6 |
| 30-09-2020 10:00 | 50.29220 | -3.61596 | 1.17 | 1.72 | 5.9 | 4.2 | 177 | 16 | 16.5 |
| 30-09-2020 09:30 | 50.29226 | -3.61598 | 1.05 | 1.6 | 5.9 | 4 | 173 | 15 | 16.6 |
| 30-09-2020 09:00 | 50.29252 | -3.61581 | 1.04 | 1.84 | 5.3 | 4 | 173 | 18 | 16.6 |
| 30-09-2020 08:30 | 50.29278 | -3.61557 | 0.97 | 1.39 | 5.3 | 3.8 | 176 | 19 | 16.6 |
| 30-09-2020 08:00 | 50.29290 | -3.61527 | 0.98 | 1.37 | 5 | 3.8 | 176 | 17 | 16.6 |
| 30-09-2020 07:30 | 50.29292 | -3.61527 | 0.87 | 1.32 | 4.8 | 3.6 | 179 | 22 | 16.6 |
| 30-09-2020 07:00 | 50.29292 | -3.61519 | 0.87 | 1.41 | 4.6 | 3.6 | 176 | 24 | 16.6 |
| 30-09-2020 06:30 | 50.29293 | -3.61517 | 0.74 | 1.23 | 4.6 | 3.3 | 176 | 28 | 16.6 |
| 30-09-2020 06:00 | 50.29293 | -3.61517 | 0.7 | 1.24 | 4.6 | 3.3 | 180 | 25 | 16.6 |
| 30-09-2020 05:30 | 50.29293 | -3.61512 | 0.63 | 1.05 | 4.2 | 3.1 | 170 | 32 | 16.6 |
| 30-09-2020 05:00 | 50.29293 | -3.61510 | 0.57 | 0.77 | 4.4 | 2.9 | 170 | 33 | 16.6 |
| 30-09-2020 04:30 | 50.29294 | -3.61512 | 0.53 | 0.84 | 3.9 | 2.8 | 169 | 27 | 16.6 |
| 30-09-2020 04:00 | 50.29293 | -3.61510 | 0.47 | 0.76 | 4 | 2.8 | 166 | 40 | 16.6 |
| 30-09-2020 03:30 | 50.29292 | -3.61515 | 0.46 | 0.85 | 3.9 | 2.8 | 169 | 33 | 16.6 |
| 30-09-2020 03:00 | 50.29296 | -3.61532 | 0.42 | 0.65 | 2.6 | 2.8 | 172 | 30 | 16.6 |
| 30-09-2020 02:30 | 50.29261 | -3.61566 | 0.41 | 0.55 | 15.4 | 2.8 | 200 | 51 | 16.6 |
| 30-09-2020 02:00 | 50.29231 | -3.61598 | 0.4 | 0.64 | 2.9 | 2.9 | 172 | 28 | 16.6 |
| 30-09-2020 01:30 | 50.29216 | -3.61596 | 0.42 | 0.68 | 3.1 | 3 | 172 | 21 | 16.7 |
| 30-09-2020 01:00 | 50.29213 | -3.61594 | 0.38 | 0.56 | 10.5 | 3.2 | 174 | 37 | 16.6 |
| 30-09-2020 00:30 | 50.29212 | -3.61596 | 0.34 | 0.53 | 11.8 | 3.3 | 217 | 54 | 16.6 |
| 30-09-2020 00:00 | 50.29212 | -3.61592 | 0.3 | 0.52 | 11.1 | 3.4 | 183 | 63 | 16.6 |
