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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 27-04-2025 15:30 | 50.29275 | -3.61553 | 0.31 | 0.43 | 11.8 | 3.9 | 179 | 47 | 11.7 | 6.2 | 0.29 |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 27-04-2025 15:30 | 50.29275 | -3.61553 | 0.31 | 0.43 | 11.8 | 3.9 | 179 | 47 | 11.7 | 6.2 | 0.29 |
| 27-04-2025 15:00 | 50.29277 | -3.61568 | 0.31 | 0.48 | 11.8 | 3.7 | 186 | 46 | 11.7 | 5.7 | 0.27 |
| 27-04-2025 14:30 | 50.29272 | -3.61615 | 0.33 | 0.49 | 11.8 | 3.7 | 187 | 39 | 11.6 | 5.8 | 0.31 |
| 27-04-2025 14:00 | 50.29209 | -3.61650 | 0.3 | 0.43 | 11.8 | 3.5 | 186 | 57 | 11.5 | 5.6 | 0.25 |
| 27-04-2025 13:30 | 50.29198 | -3.61639 | 0.31 | 0.45 | 5.6 | 3.6 | 128 | 43 | 11.4 | 5.6 | 0.26 |
| 27-04-2025 13:00 | 50.29197 | -3.61639 | 0.32 | 0.47 | 13.3 | 3.5 | 253 | 57 | 11.4 | 5.6 | 0.28 |
| 27-04-2025 12:30 | 50.29192 | -3.61639 | 0.33 | 0.47 | 12.5 | 3.7 | 155 | 68 | 11.7 | 5.9 | 0.31 |
| 27-04-2025 12:00 | 50.29194 | -3.61643 | 0.31 | 0.44 | 11.1 | 3.9 | 121 | 55 | 11.8 | 6.3 | 0.3 |
| 27-04-2025 11:30 | 50.29190 | -3.61639 | 0.32 | 0.46 | 12.5 | 4.4 | 156 | 44 | 11.5 | 7 | 0.35 |
| 27-04-2025 11:00 | 50.29187 | -3.61630 | 0.33 | 0.51 | 11.1 | 4.3 | 124 | 43 | 11.5 | 6.8 | 0.36 |
| 27-04-2025 10:30 | 50.29190 | -3.61633 | 0.37 | 0.51 | 10 | 5.4 | 148 | 35 | 11.4 | 7.9 | 0.53 |
| 27-04-2025 10:00 | 50.29185 | -3.61628 | 0.4 | 0.58 | 11.8 | 6.1 | 165 | 64 | 12 | 8.2 | 0.64 |
| 27-04-2025 09:30 | 50.29185 | -3.61626 | 0.42 | 0.68 | 11.8 | 5.9 | 165 | 61 | 11.9 | 8.4 | 0.73 |
| 27-04-2025 09:00 | 50.29185 | -3.61622 | 0.41 | 0.56 | 12.5 | 5.9 | 210 | 54 | 11.8 | 8.2 | 0.68 |
| 27-04-2025 08:30 | 50.29184 | -3.61618 | 0.46 | 0.7 | 10 | 6.2 | 146 | 43 | 11.8 | 8.3 | 0.86 |
| 27-04-2025 08:00 | 50.29183 | -3.61613 | 0.47 | 0.61 | 10 | 6 | 177 | 31 | 11.5 | 8.1 | 0.88 |
| 27-04-2025 07:30 | 50.29183 | -3.61605 | 0.52 | 0.85 | 10.5 | 6.5 | 174 | 30 | 11.3 | 8.6 | 1.14 |
| 27-04-2025 07:00 | 50.29186 | -3.61570 | 0.53 | 0.76 | 10.5 | 6.3 | 186 | 24 | 11.2 | 8.7 | 1.2 |
| 27-04-2025 06:30 | 50.29240 | -3.61525 | 0.5 | 0.82 | 11.8 | 6.2 | 179 | 32 | 11.2 | 8.5 | 1.04 |
| 27-04-2025 06:00 | 50.29258 | -3.61527 | 0.48 | 0.69 | 11.8 | 6.1 | 194 | 33 | 11.2 | 8.3 | 0.94 |
| 27-04-2025 05:30 | 50.29263 | -3.61530 | 0.4 | 0.55 | 11.1 | 5.5 | 194 | 32 | 11.2 | 7.9 | 0.62 |
| 27-04-2025 05:00 | 50.29260 | -3.61532 | 0.43 | 0.64 | 11.8 | 5.9 | 203 | 32 | 11.1 | 8.6 | 0.78 |
| 27-04-2025 04:30 | 50.29267 | -3.61532 | 0.39 | 0.52 | 11.1 | 5.4 | 198 | 27 | 11.1 | 8.1 | 0.6 |
| 27-04-2025 04:00 | 50.29272 | -3.61538 | 0.35 | 0.6 | 12.5 | 4.9 | 193 | 33 | 11.1 | 7.4 | 0.45 |
| 27-04-2025 03:30 | 50.29278 | -3.61549 | 0.34 | 0.48 | 11.8 | 4.7 | 198 | 21 | 11.1 | 7.1 | 0.4 |
| 27-04-2025 03:00 | 50.29274 | -3.61545 | 0.33 | 0.48 | 12.5 | 4.4 | 191 | 34 | 11.2 | 6.5 | 0.35 |
| 27-04-2025 02:30 | 50.29277 | -3.61564 | 0.32 | 0.46 | 11.8 | 4.4 | 184 | 45 | 11.2 | 6.5 | 0.33 |
| 27-04-2025 02:00 | 50.29229 | -3.61650 | 0.33 | 0.46 | 13.3 | 4.7 | 228 | 46 | 11.2 | 6.5 | 0.35 |
| 27-04-2025 01:30 | 50.29201 | -3.61639 | 0.31 | 0.51 | 13.3 | 4.7 | 191 | 68 | 11.2 | 6.5 | 0.3 |
| 27-04-2025 01:00 | 50.29194 | -3.61637 | 0.31 | 0.47 | 13.3 | 4.9 | 218 | 48 | 11.1 | 6.9 | 0.33 |
| 27-04-2025 00:30 | 50.29190 | -3.61635 | 0.32 | 0.44 | 13.3 | 5.1 | 201 | 51 | 11.2 | 7 | 0.35 |
| 27-04-2025 00:00 | 50.29190 | -3.61635 | 0.31 | 0.5 | 13.3 | 5 | 215 | 71 | 11.2 | 6.7 | 0.31 |
| 26-04-2025 23:30 | 50.29191 | -3.61635 | 0.32 | 0.56 | 13.3 | 5.3 | 148 | 52 | 11.2 | 7.5 | 0.38 |
| 26-04-2025 23:00 | 50.29189 | -3.61630 | 0.35 | 0.52 | 12.5 | 5.4 | 138 | 50 | 11.2 | 7.3 | 0.44 |
| 26-04-2025 22:30 | 50.29185 | -3.61622 | 0.37 | 0.53 | 12.5 | 5.5 | 142 | 47 | 11.2 | 7.7 | 0.51 |
| 26-04-2025 22:00 | 50.29187 | -3.61626 | 0.39 | 0.57 | 10 | 5.5 | 169 | 37 | 11.2 | 7.7 | 0.57 |
| 26-04-2025 21:30 | 50.29184 | -3.61618 | 0.43 | 0.63 | 13.3 | 5.6 | 219 | 62 | 11.2 | 7.6 | 0.69 |
| 26-04-2025 21:00 | 50.29183 | -3.61611 | 0.46 | 0.67 | 14.3 | 5.6 | 218 | 55 | 11.3 | 8 | 0.83 |
| 26-04-2025 20:30 | 50.29181 | -3.61603 | 0.49 | 0.93 | 12.5 | 5.8 | 152 | 46 | 11.3 | 8.1 | 0.96 |
| 26-04-2025 20:00 | 50.29183 | -3.61596 | 0.52 | 0.75 | 10.5 | 5.6 | 193 | 36 | 11.3 | 7.8 | 1.04 |
| 26-04-2025 19:30 | 50.29182 | -3.61588 | 0.55 | 0.8 | 10.5 | 5.9 | 181 | 32 | 11.3 | 8.3 | 1.23 |
| 26-04-2025 19:00 | 50.29187 | -3.61555 | 0.61 | 0.88 | 11.1 | 6 | 193 | 20 | 11.3 | 8.4 | 1.53 |
| 26-04-2025 18:30 | 50.29215 | -3.61510 | 0.59 | 1.03 | 11.8 | 5.9 | 181 | 30 | 11.3 | 8.4 | 1.43 |
| 26-04-2025 18:00 | 50.29249 | -3.61512 | 0.58 | 0.82 | 12.5 | 5.6 | 188 | 35 | 11.4 | 8.3 | 1.37 |
| 26-04-2025 17:30 | 50.29263 | -3.61527 | 0.54 | 0.81 | 12.5 | 5.2 | 207 | 26 | 11.5 | 7.8 | 1.11 |
| 26-04-2025 17:00 | 50.29266 | -3.61536 | 0.56 | 0.79 | 12.5 | 5.1 | 201 | 21 | 11.5 | 8.1 | 1.25 |
| 26-04-2025 16:30 | 50.29267 | -3.61534 | 0.61 | 0.99 | 12.5 | 5.2 | 197 | 22 | 11.5 | 8.4 | 1.53 |
| 26-04-2025 16:00 | 50.29274 | -3.61536 | 0.6 | 0.86 | 11.8 | 4.5 | 186 | 27 | 11.6 | 7.1 | 1.26 |
| 26-04-2025 15:30 | 50.29274 | -3.61553 | 0.55 | 0.85 | 12.5 | 4.2 | 191 | 33 | 11.5 | 6.6 | 0.98 |
| 26-04-2025 15:00 | 50.29276 | -3.61553 | 0.52 | 0.69 | 13.3 | 4.2 | 194 | 25 | 11.4 | 6.8 | 0.9 |
