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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 24-01-2026 10:30 | 50.29257 | -3.61712 | 3.34 | 4.61 | 8.3 | 6 | 153 | 37 | 10.3 | 7.3 | 39.78 |
| Date | Highest Hs 2026 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
|---|---|---|---|
| 23-01 | 3.8m | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 22-07-2024 00:00 | 50.29186 | -3.61600 | 0.44 | 0.6 | 2.9 | 3.4 | 190 | 22 | 16.1 | 4.5 | 0.43 |
| 21-07-2024 23:30 | 50.29186 | -3.61600 | 0.46 | 0.77 | 5.9 | 3.5 | 174 | 24 | 16.1 | 4.7 | 0.48 |
| 21-07-2024 23:00 | 50.29185 | -3.61600 | 0.51 | 0.7 | 5.6 | 3.8 | 174 | 22 | 16.1 | 5.2 | 0.66 |
| 21-07-2024 22:30 | 50.29183 | -3.61590 | 0.5 | 0.72 | 6.3 | 4 | 177 | 23 | 16.2 | 5.4 | 0.66 |
| 21-07-2024 22:00 | 50.29184 | -3.61585 | 0.54 | 0.78 | 8.3 | 4.2 | 176 | 25 | 16.2 | 5.8 | 0.83 |
| 21-07-2024 21:30 | 50.29184 | -3.61579 | 0.58 | 0.85 | 10 | 4.4 | 186 | 20 | 16.2 | 6.3 | 1.04 |
| 21-07-2024 21:00 | 50.29185 | -3.61570 | 0.59 | 0.85 | 10 | 4.6 | 193 | 19 | 16.3 | 6.2 | 1.06 |
| 21-07-2024 20:30 | 50.29199 | -3.61523 | 0.56 | 0.99 | 9.1 | 4.8 | 179 | 18 | 16.3 | 6.5 | 1 |
| 21-07-2024 20:00 | 50.29234 | -3.61500 | 0.54 | 0.79 | 9.1 | 4.5 | 183 | 18 | 16.3 | 6.3 | 0.9 |
| 21-07-2024 19:30 | 50.29244 | -3.61504 | 0.54 | 0.83 | 8.3 | 4.3 | 180 | 24 | 16.3 | 6.2 | 0.89 |
| 21-07-2024 19:00 | 50.29246 | -3.61506 | 0.47 | 0.65 | 9.1 | 3.7 | 190 | 30 | 16.3 | 5.7 | 0.61 |
| 21-07-2024 18:30 | 50.29253 | -3.61510 | 0.41 | 0.57 | 9.1 | 3.2 | 174 | 35 | 16.3 | 5.5 | 0.45 |
| 21-07-2024 18:00 | 50.29256 | -3.61510 | 0.38 | 0.55 | 7.7 | 3.1 | 181 | 34 | 16.3 | 5.6 | 0.4 |
| 21-07-2024 17:30 | 50.29255 | -3.61512 | 0.35 | 0.58 | 8.3 | 3 | 183 | 36 | 16.3 | 5.5 | 0.33 |
| 21-07-2024 17:00 | 50.29255 | -3.61512 | 0.33 | 0.54 | 8.3 | 3 | 180 | 41 | 16.3 | 5.6 | 0.3 |
| 21-07-2024 16:30 | 50.29253 | -3.61510 | 0.3 | 0.42 | 9.1 | 2.8 | 181 | 48 | 16.3 | 5.2 | 0.23 |
| 21-07-2024 16:00 | 50.29253 | -3.61508 | 0.3 | 0.49 | 9.1 | 2.6 | 190 | 40 | 16.3 | 4.8 | 0.21 |
| 21-07-2024 15:30 | 50.29250 | -3.61506 | 0.31 | 0.45 | 11.1 | 2.6 | 197 | 57 | 16.3 | 4.7 | 0.22 |
| 21-07-2024 15:00 | 50.29238 | -3.61500 | 0.32 | 0.42 | 2.2 | 2.6 | 217 | 16 | 16.3 | 4.2 | 0.21 |
| 21-07-2024 14:30 | 50.29190 | -3.61583 | 0.31 | 0.51 | 10 | 2.8 | 172 | 56 | 16.3 | 4.5 | 0.21 |
| 21-07-2024 14:00 | 50.29187 | -3.61598 | 0.29 | 0.39 | 9.1 | 2.9 | 173 | 66 | 16.2 | 5 | 0.21 |
| 21-07-2024 13:30 | 50.29188 | -3.61603 | 0.29 | 0.49 | 10.5 | 3.2 | 127 | 72 | 16.3 | 5.6 | 0.23 |
| 21-07-2024 13:00 | 50.29188 | -3.61607 | 0.26 | 0.36 | 9.1 | 3.3 | 131 | 74 | 16.2 | 5.6 | 0.19 |
| 21-07-2024 12:30 | 50.29187 | -3.61609 | 0.24 | 0.42 | 9.1 | 4.1 | 155 | 64 | 16.3 | 7.1 | 0.2 |
| 21-07-2024 12:00 | 50.29184 | -3.61596 | 0.26 | 0.44 | 10.5 | 4.3 | 190 | 52 | 16.2 | 7.2 | 0.24 |
| 21-07-2024 11:30 | 50.29184 | -3.61598 | 0.26 | 0.39 | 8.3 | 4.6 | 158 | 40 | 16.2 | 7.5 | 0.25 |
| 21-07-2024 11:00 | 50.29181 | -3.61588 | 0.32 | 0.47 | 6.7 | 3.6 | 173 | 30 | 16.2 | 6.6 | 0.33 |
| 21-07-2024 10:30 | 50.29179 | -3.61583 | 0.34 | 0.54 | 6.7 | 4.5 | 181 | 25 | 16.2 | 7.1 | 0.4 |
| 21-07-2024 10:00 | 50.29178 | -3.61575 | 0.35 | 0.54 | 6.7 | 5.6 | 176 | 22 | 16.2 | 7.3 | 0.44 |
| 21-07-2024 09:30 | 50.29181 | -3.61570 | 0.43 | 0.7 | 10 | 6.5 | 177 | 21 | 16.1 | 8.3 | 0.75 |
| 21-07-2024 09:00 | 50.29181 | -3.61560 | 0.52 | 0.87 | 10 | 6.7 | 191 | 14 | 16.1 | 8.3 | 1.1 |
| 21-07-2024 08:30 | 50.29182 | -3.61542 | 0.55 | 0.79 | 10.5 | 6.7 | 186 | 18 | 16.1 | 8.2 | 1.21 |
| 21-07-2024 08:00 | 50.29187 | -3.61519 | 0.57 | 1.01 | 10 | 6.3 | 201 | 15 | 16.1 | 8 | 1.28 |
| 21-07-2024 07:30 | 50.29211 | -3.61497 | 0.54 | 0.93 | 10 | 6.3 | 191 | 14 | 16.1 | 8.3 | 1.19 |
| 21-07-2024 07:00 | 50.29230 | -3.61495 | 0.53 | 0.85 | 10.5 | 5.9 | 188 | 15 | 16.1 | 8.1 | 1.12 |
| 21-07-2024 06:30 | 50.29244 | -3.61502 | 0.41 | 0.63 | 10.5 | 4.6 | 184 | 23 | 16.1 | 7.5 | 0.62 |
| 21-07-2024 06:00 | 50.29251 | -3.61508 | 0.36 | 0.56 | 10 | 5.7 | 183 | 25 | 16.1 | 8.2 | 0.52 |
| 21-07-2024 05:30 | 50.29251 | -3.61508 | 0.33 | 0.5 | 11.1 | 6 | 196 | 28 | 16.1 | 8.3 | 0.44 |
| 21-07-2024 05:00 | 50.29252 | -3.61512 | 0.3 | 0.5 | 10.5 | 5.6 | 190 | 24 | 16.1 | 8.2 | 0.36 |
| 21-07-2024 04:30 | 50.29256 | -3.61517 | 0.24 | 0.43 | 11.8 | 4.5 | 190 | 47 | 16 | 6.8 | 0.19 |
| 21-07-2024 04:00 | 50.29258 | -3.61523 | 0.24 | 0.34 | 11.8 | 4.4 | 203 | 38 | 16 | 6.5 | 0.18 |
| 21-07-2024 03:30 | 50.29256 | -3.61525 | 0.23 | 0.31 | 10 | 4.2 | 210 | 50 | 16 | 6.2 | 0.16 |
| 21-07-2024 03:00 | 50.29259 | -3.61542 | 0.22 | 0.38 | 10.5 | 4 | 180 | 51 | 15.9 | 5.9 | 0.14 |
| 21-07-2024 02:30 | 50.29209 | -3.61611 | 0.24 | 0.39 | 10.5 | 4.3 | 188 | 41 | 16 | 6.1 | 0.17 |
| 21-07-2024 02:00 | 50.29199 | -3.61613 | 0.25 | 0.39 | 5.6 | 4.3 | 166 | 35 | 16 | 6 | 0.18 |
| 21-07-2024 01:30 | 50.29193 | -3.61611 | 0.25 | 0.32 | 18.2 | 4.4 | 249 | 47 | 16 | 6.4 | 0.2 |
| 21-07-2024 01:00 | 50.29190 | -3.61609 | 0.26 | 0.52 | 5.6 | 4.5 | 166 | 27 | 16.1 | 6 | 0.2 |
| 21-07-2024 00:30 | 50.29187 | -3.61607 | 0.27 | 0.36 | 6.3 | 4.3 | 174 | 29 | 16.1 | 6 | 0.21 |
| 21-07-2024 00:00 | 50.29188 | -3.61609 | 0.3 | 0.43 | 6.3 | 4.2 | 172 | 32 | 16.1 | 5.7 | 0.25 |
