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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18-06-2026 16:00 | 50.29174 | -3.61791 | 0.29 | 0.43 | 11.8 | 3.7 | 166 | 40 | 14.4 | 5.4 | 0.22 |
| Date | Highest Hs 2026 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
|---|---|---|---|
| 23-01 | 4.7m | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 18-06-2026 16:00 | 50.29174 | -3.61791 | 0.29 | 0.43 | 11.8 | 3.7 | 166 | 40 | 14.4 | 5.4 | 0.22 |
| 18-06-2026 15:30 | 50.29171 | -3.61791 | 0.31 | 0.42 | 11.8 | 3.5 | 200 | 49 | 14.9 | 5.4 | 0.25 |
| 18-06-2026 15:00 | 50.29173 | -3.61796 | 0.31 | 0.51 | 11.1 | 3.7 | 197 | 58 | 14.7 | 5.8 | 0.27 |
| 18-06-2026 14:30 | 50.29171 | -3.61791 | 0.32 | 0.41 | 10.5 | 3.8 | 174 | 44 | 15 | 5.7 | 0.29 |
| 18-06-2026 14:00 | 50.29170 | -3.61787 | 0.33 | 0.52 | 10.5 | 3.9 | 181 | 37 | 15 | 5.9 | 0.32 |
| 18-06-2026 13:30 | 50.29168 | -3.61783 | 0.38 | 0.62 | 10 | 4.1 | 174 | 45 | 15 | 6.3 | 0.45 |
| 18-06-2026 13:00 | 50.29167 | -3.61774 | 0.4 | 0.57 | 9.1 | 4.1 | 167 | 37 | 15 | 6.2 | 0.49 |
| 18-06-2026 12:30 | 50.29168 | -3.61774 | 0.39 | 0.74 | 10 | 4.4 | 165 | 33 | 15 | 6.3 | 0.47 |
| 18-06-2026 12:00 | 50.29166 | -3.61772 | 0.43 | 0.72 | 10 | 4.8 | 166 | 34 | 15 | 6.8 | 0.62 |
| 18-06-2026 11:30 | 50.29162 | -3.61768 | 0.47 | 0.78 | 10.5 | 4.9 | 187 | 19 | 14.9 | 7 | 0.76 |
| 18-06-2026 11:00 | 50.29164 | -3.61766 | 0.45 | 0.64 | 9.1 | 4.7 | 179 | 28 | 14.8 | 6.5 | 0.64 |
| 18-06-2026 10:30 | 50.29176 | -3.61731 | 0.46 | 0.91 | 10.5 | 4.7 | 177 | 34 | 14.7 | 6.4 | 0.67 |
| 18-06-2026 10:00 | 50.29233 | -3.61686 | 0.45 | 0.68 | 10 | 4.6 | 184 | 32 | 14.5 | 6.2 | 0.62 |
| 18-06-2026 09:30 | 50.29242 | -3.61691 | 0.45 | 0.59 | 10.5 | 4.8 | 194 | 26 | 14.5 | 6.6 | 0.65 |
| 18-06-2026 09:00 | 50.29244 | -3.61691 | 0.44 | 0.63 | 10 | 4.9 | 193 | 28 | 14.5 | 6.9 | 0.65 |
| 18-06-2026 08:30 | 50.29247 | -3.61695 | 0.41 | 0.6 | 10 | 4.6 | 190 | 27 | 14.5 | 6.6 | 0.54 |
| 18-06-2026 08:00 | 50.29245 | -3.61691 | 0.36 | 0.53 | 10.5 | 4.1 | 198 | 39 | 14.4 | 6.1 | 0.39 |
| 18-06-2026 07:30 | 50.29246 | -3.61691 | 0.36 | 0.56 | 10.5 | 4.3 | 179 | 41 | 14.4 | 6.3 | 0.4 |
| 18-06-2026 07:00 | 50.29251 | -3.61699 | 0.33 | 0.53 | 9.1 | 3.9 | 184 | 34 | 14.2 | 5.5 | 0.29 |
| 18-06-2026 06:30 | 50.29250 | -3.61695 | 0.34 | 0.47 | 10.5 | 3.4 | 188 | 33 | 14.2 | 4.9 | 0.28 |
| 18-06-2026 06:00 | 50.29249 | -3.61697 | 0.34 | 0.53 | 10 | 3.6 | 184 | 20 | 14.2 | 5.3 | 0.3 |
| 18-06-2026 05:30 | 50.29251 | -3.61712 | 0.32 | 0.44 | 10.5 | 3.6 | 170 | 36 | 14.2 | 5.1 | 0.26 |
| 18-06-2026 05:00 | 50.29206 | -3.61804 | 0.32 | 0.65 | 5.3 | 3.8 | 141 | 27 | 14.2 | 5 | 0.25 |
| 18-06-2026 04:30 | 50.29179 | -3.61796 | 0.29 | 0.4 | 11.8 | 3.7 | 183 | 65 | 14.2 | 5.3 | 0.22 |
| 18-06-2026 04:00 | 50.29171 | -3.61787 | 0.27 | 0.38 | 4.8 | 3.9 | 139 | 40 | 14.5 | 5.3 | 0.19 |
| 18-06-2026 03:30 | 50.29169 | -3.61789 | 0.27 | 0.4 | 6.7 | 4.2 | 143 | 39 | 14.5 | 5.7 | 0.2 |
| 18-06-2026 03:00 | 50.29170 | -3.61791 | 0.28 | 0.39 | 4.8 | 4.3 | 151 | 40 | 14.5 | 5.8 | 0.22 |
| 18-06-2026 02:30 | 50.29169 | -3.61787 | 0.28 | 0.41 | 11.1 | 4.5 | 162 | 53 | 14.6 | 6.1 | 0.24 |
| 18-06-2026 02:00 | 50.29168 | -3.61785 | 0.3 | 0.46 | 5.9 | 4.6 | 174 | 35 | 14.4 | 5.9 | 0.26 |
| 18-06-2026 01:30 | 50.29166 | -3.61781 | 0.34 | 0.49 | 6.3 | 4.8 | 169 | 27 | 14.4 | 6.3 | 0.36 |
| 18-06-2026 01:00 | 50.29164 | -3.61776 | 0.37 | 0.7 | 11.1 | 4.8 | 205 | 48 | 14.4 | 6.4 | 0.43 |
| 18-06-2026 00:30 | 50.29162 | -3.61770 | 0.42 | 0.75 | 6.7 | 4.8 | 176 | 22 | 14.4 | 6.3 | 0.54 |
| 18-06-2026 00:00 | 50.29161 | -3.61766 | 0.44 | 0.64 | 11.1 | 4.6 | 172 | 55 | 14.4 | 6.4 | 0.61 |
| 17-06-2026 23:30 | 50.29161 | -3.61761 | 0.48 | 0.71 | 10 | 4.5 | 159 | 27 | 14.4 | 6.3 | 0.71 |
| 17-06-2026 23:00 | 50.29160 | -3.61755 | 0.56 | 0.83 | 10 | 4.8 | 177 | 31 | 14.4 | 6.6 | 1.02 |
| 17-06-2026 22:30 | 50.29160 | -3.61748 | 0.58 | 0.96 | 6.7 | 4.5 | 170 | 17 | 14.3 | 6.2 | 1.03 |
| 17-06-2026 22:00 | 50.29160 | -3.61738 | 0.59 | 0.84 | 10.5 | 4.5 | 186 | 23 | 14.4 | 6.3 | 1.08 |
| 17-06-2026 21:30 | 50.29198 | -3.61676 | 0.6 | 1.21 | 10.5 | 4.3 | 176 | 21 | 14.4 | 6 | 1.06 |
| 17-06-2026 21:00 | 50.29227 | -3.61673 | 0.57 | 0.91 | 10.5 | 4.4 | 187 | 20 | 14.4 | 6.3 | 1.01 |
| 17-06-2026 20:30 | 50.29234 | -3.61678 | 0.55 | 0.88 | 10 | 4.3 | 193 | 31 | 14.4 | 6 | 0.89 |
| 17-06-2026 20:00 | 50.29238 | -3.61682 | 0.5 | 0.73 | 10.5 | 4.2 | 191 | 14 | 14.4 | 6.3 | 0.77 |
| 17-06-2026 19:30 | 50.29242 | -3.61684 | 0.45 | 0.82 | 10.5 | 4.1 | 193 | 21 | 14.5 | 7 | 0.7 |
| 17-06-2026 19:00 | 50.29245 | -3.61686 | 0.41 | 0.5 | 10.5 | 3.7 | 193 | 22 | 14.4 | 6.2 | 0.51 |
| 17-06-2026 18:30 | 50.29247 | -3.61688 | 0.37 | 0.54 | 11.1 | 3.2 | 197 | 35 | 14.5 | 5.1 | 0.34 |
| 17-06-2026 18:00 | 50.29245 | -3.61686 | 0.34 | 0.51 | 11.8 | 3.1 | 190 | 54 | 14.6 | 5.1 | 0.29 |
| 17-06-2026 17:30 | 50.29246 | -3.61688 | 0.36 | 0.52 | 11.8 | 2.9 | 203 | 52 | 14.6 | 4.4 | 0.28 |
| 17-06-2026 17:00 | 50.29246 | -3.61697 | 0.37 | 0.49 | 4.8 | 2.8 | 160 | 46 | 14.6 | 3.9 | 0.26 |
| 17-06-2026 16:30 | 50.29242 | -3.61751 | 0.42 | 0.66 | 4.4 | 3 | 166 | 24 | 14.6 | 4 | 0.35 |
| 17-06-2026 16:00 | 50.29176 | -3.61787 | 0.46 | 0.66 | 2.9 | 3.1 | 183 | 20 | 14.6 | 4.1 | 0.43 |
