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 11:30 | 50.29258 | -3.61731 | 3.13 | 4.96 | 7.7 | 6.1 | 146 | 25 | 10.3 | 7.4 | 35.66 |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 19-01-2025 00:00 | 50.29196 | -3.61630 | 0.65 | 0.99 | 10.5 | 3.8 | 181 | 22 | 10.5 | 5.8 | 1.2 |
| 18-01-2025 23:30 | 50.29270 | -3.61613 | 0.66 | 0.98 | 11.1 | 3.9 | 176 | 36 | 10.5 | 5.9 | 1.27 |
| 18-01-2025 23:00 | 50.29274 | -3.61570 | 0.68 | 1.05 | 10.5 | 3.7 | 180 | 21 | 10.5 | 5.7 | 1.3 |
| 18-01-2025 22:30 | 50.29273 | -3.61560 | 0.69 | 1.09 | 11.1 | 3.9 | 186 | 20 | 10.5 | 6.4 | 1.5 |
| 18-01-2025 22:00 | 50.29273 | -3.61551 | 0.63 | 1.17 | 11.1 | 4 | 184 | 24 | 10.5 | 6.5 | 1.26 |
| 18-01-2025 21:30 | 50.29271 | -3.61547 | 0.67 | 0.92 | 10 | 3.9 | 181 | 19 | 10.5 | 6.4 | 1.41 |
| 18-01-2025 21:00 | 50.29272 | -3.61545 | 0.65 | 0.83 | 10.5 | 3.7 | 190 | 19 | 10.5 | 6.2 | 1.29 |
| 18-01-2025 20:30 | 50.29273 | -3.61547 | 0.6 | 0.86 | 10.5 | 3.5 | 181 | 17 | 10.5 | 5.6 | 1 |
| 18-01-2025 20:00 | 50.29273 | -3.61549 | 0.58 | 0.85 | 10.5 | 3.3 | 186 | 24 | 10.5 | 5.2 | 0.86 |
| 18-01-2025 19:30 | 50.29272 | -3.61545 | 0.57 | 0.94 | 10.5 | 3.4 | 188 | 20 | 10.5 | 5.8 | 0.93 |
| 18-01-2025 19:00 | 50.29274 | -3.61553 | 0.51 | 0.76 | 11.1 | 3.1 | 183 | 26 | 10.5 | 5 | 0.64 |
| 18-01-2025 18:30 | 50.29276 | -3.61594 | 0.52 | 0.76 | 10.5 | 3.2 | 187 | 37 | 10.6 | 5.8 | 0.76 |
| 18-01-2025 18:00 | 50.29233 | -3.61654 | 0.42 | 0.63 | 10.5 | 2.8 | 170 | 43 | 10.5 | 4.4 | 0.38 |
| 18-01-2025 17:30 | 50.29211 | -3.61650 | 0.4 | 0.65 | 12.5 | 2.7 | 201 | 53 | 10.5 | 4.5 | 0.35 |
| 18-01-2025 17:00 | 50.29202 | -3.61641 | 0.36 | 0.54 | 12.5 | 3 | 180 | 45 | 10.5 | 5.9 | 0.38 |
| 18-01-2025 16:30 | 50.29197 | -3.61637 | 0.34 | 0.47 | 12.5 | 3.1 | 151 | 64 | 10.5 | 5.8 | 0.33 |
| 18-01-2025 16:00 | 50.29194 | -3.61637 | 0.37 | 0.53 | 11.8 | 3.7 | 187 | 40 | 10.5 | 7.4 | 0.49 |
| 18-01-2025 15:30 | 50.29194 | -3.61639 | 0.35 | 0.55 | 11.8 | 4.2 | 188 | 45 | 10.5 | 8 | 0.48 |
| 18-01-2025 15:00 | 50.29198 | -3.61643 | 0.36 | 0.51 | 11.8 | 4.2 | 166 | 51 | 10.5 | 7.8 | 0.5 |
| 18-01-2025 14:30 | 50.29189 | -3.61626 | 0.37 | 0.64 | 11.8 | 4.2 | 191 | 32 | 10.5 | 7.4 | 0.5 |
| 18-01-2025 14:00 | 50.29187 | -3.61624 | 0.39 | 0.61 | 11.1 | 4.7 | 158 | 39 | 10.4 | 8.1 | 0.61 |
| 18-01-2025 13:30 | 50.29187 | -3.61624 | 0.41 | 0.63 | 11.8 | 5 | 179 | 34 | 10.4 | 8.2 | 0.68 |
| 18-01-2025 13:00 | 50.29185 | -3.61620 | 0.44 | 0.68 | 11.8 | 5.1 | 176 | 42 | 10.5 | 8.5 | 0.81 |
| 18-01-2025 12:30 | 50.29184 | -3.61615 | 0.43 | 0.74 | 11.1 | 5.3 | 172 | 23 | 10.5 | 8.4 | 0.76 |
| 18-01-2025 12:00 | 50.29182 | -3.61603 | 0.47 | 0.94 | 11.1 | 5.5 | 160 | 29 | 10.5 | 8.8 | 0.95 |
| 18-01-2025 11:30 | 50.29183 | -3.61590 | 0.49 | 0.76 | 11.1 | 5.4 | 180 | 32 | 10.4 | 8.5 | 1 |
| 18-01-2025 11:00 | 50.29207 | -3.61549 | 0.47 | 0.74 | 11.8 | 5.4 | 187 | 29 | 10.4 | 8.8 | 0.95 |
| 18-01-2025 10:30 | 50.29258 | -3.61527 | 0.51 | 0.89 | 11.8 | 5.8 | 191 | 21 | 10.5 | 9.3 | 1.18 |
| 18-01-2025 10:00 | 50.29264 | -3.61534 | 0.49 | 0.91 | 11.1 | 5.9 | 186 | 28 | 10.6 | 9.2 | 1.09 |
| 18-01-2025 09:30 | 50.29266 | -3.61534 | 0.49 | 0.92 | 10.5 | 5.5 | 184 | 27 | 10.5 | 9 | 1.06 |
| 18-01-2025 09:00 | 50.29266 | -3.61538 | 0.51 | 0.73 | 10.5 | 5.6 | 188 | 20 | 10.5 | 9.4 | 1.19 |
| 18-01-2025 08:30 | 50.29267 | -3.61540 | 0.47 | 0.75 | 11.8 | 5.1 | 186 | 27 | 10.6 | 9 | 0.97 |
| 18-01-2025 08:00 | 50.29269 | -3.61540 | 0.45 | 0.7 | 11.8 | 4.6 | 186 | 36 | 10.6 | 8.6 | 0.86 |
| 18-01-2025 07:30 | 50.29271 | -3.61547 | 0.45 | 0.72 | 11.1 | 4.2 | 181 | 20 | 10.6 | 8.3 | 0.83 |
| 18-01-2025 07:00 | 50.29273 | -3.61551 | 0.47 | 0.72 | 11.1 | 4.3 | 191 | 23 | 10.6 | 8.7 | 0.94 |
| 18-01-2025 06:30 | 50.29277 | -3.61573 | 0.46 | 0.75 | 12.5 | 4.3 | 186 | 27 | 10.6 | 8.6 | 0.89 |
| 18-01-2025 06:00 | 50.29257 | -3.61641 | 0.36 | 0.49 | 11.8 | 3.6 | 187 | 40 | 10.5 | 7.1 | 0.45 |
| 18-01-2025 05:30 | 50.29220 | -3.61654 | 0.36 | 0.55 | 12.5 | 3.8 | 194 | 36 | 10.5 | 7.4 | 0.47 |
| 18-01-2025 05:00 | 50.29205 | -3.61648 | 0.33 | 0.48 | 11.8 | 3.7 | 170 | 49 | 10.5 | 6.8 | 0.36 |
| 18-01-2025 04:30 | 50.29198 | -3.61643 | 0.35 | 0.53 | 13.3 | 3.9 | 183 | 51 | 10.5 | 7.6 | 0.46 |
| 18-01-2025 04:00 | 50.29197 | -3.61641 | 0.34 | 0.43 | 13.3 | 3.7 | 180 | 57 | 10.5 | 7 | 0.4 |
| 18-01-2025 03:30 | 50.29198 | -3.61643 | 0.38 | 0.55 | 13.3 | 4.3 | 219 | 52 | 10.5 | 7.9 | 0.56 |
| 18-01-2025 03:00 | 50.29198 | -3.61643 | 0.36 | 0.48 | 13.3 | 4.3 | 194 | 48 | 10.5 | 8 | 0.51 |
| 18-01-2025 02:30 | 50.29194 | -3.61635 | 0.4 | 0.7 | 11.8 | 4.1 | 170 | 39 | 10.4 | 7.9 | 0.62 |
| 18-01-2025 02:00 | 50.29189 | -3.61624 | 0.41 | 0.66 | 13.3 | 4.2 | 184 | 30 | 10.5 | 7.9 | 0.65 |
| 18-01-2025 01:30 | 50.29188 | -3.61622 | 0.45 | 0.85 | 12.5 | 4.7 | 183 | 50 | 10.4 | 8.2 | 0.82 |
| 18-01-2025 01:00 | 50.29185 | -3.61615 | 0.45 | 0.69 | 11.8 | 4.3 | 179 | 39 | 10.4 | 7.6 | 0.75 |
| 18-01-2025 00:30 | 50.29185 | -3.61613 | 0.46 | 0.76 | 9.1 | 4.4 | 166 | 24 | 10.5 | 8 | 0.83 |
| 18-01-2025 00:00 | 50.29185 | -3.61611 | 0.44 | 0.78 | 10.5 | 4.4 | 183 | 39 | 10.5 | 7.7 | 0.73 |
