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) |
|---|---|---|---|---|---|---|---|---|---|
| 14-05-2021 05:00 | 50.29266 | -3.61697 | 0.31 | 0.47 | 12.5 | 4.6 | 180 | 41 | 10.5 |
| 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) |
|---|---|---|---|---|---|---|---|---|---|
| 14-05-2021 05:00 | 50.29266 | -3.61697 | 0.31 | 0.47 | 12.5 | 4.6 | 180 | 41 | 10.5 |
| 14-05-2021 04:30 | 50.29212 | -3.61723 | 0.29 | 0.4 | 5.3 | 4.8 | 138 | 44 | 10.5 |
| 14-05-2021 04:00 | 50.29200 | -3.61714 | 0.29 | 0.36 | 5.9 | 4.8 | 145 | 37 | 10.5 |
| 14-05-2021 03:30 | 50.29198 | -3.61712 | 0.29 | 0.38 | 13.3 | 5.1 | 204 | 41 | 10.5 |
| 14-05-2021 03:00 | 50.29194 | -3.61712 | 0.27 | 0.44 | 11.1 | 5.1 | 190 | 36 | 10.5 |
| 14-05-2021 02:30 | 50.29192 | -3.61710 | 0.29 | 0.42 | 7.1 | 5.4 | 139 | 50 | 10.6 |
| 14-05-2021 02:00 | 50.29190 | -3.61710 | 0.31 | 0.46 | 10 | 5.7 | 172 | 39 | 10.6 |
| 14-05-2021 01:30 | 50.29190 | -3.61708 | 0.34 | 0.55 | 10 | 6.2 | 181 | 31 | 10.6 |
| 14-05-2021 01:00 | 50.29185 | -3.61688 | 0.46 | 0.7 | 9.1 | 6.8 | 166 | 25 | 10.6 |
| 14-05-2021 00:30 | 50.29184 | -3.61684 | 0.47 | 0.72 | 9.1 | 6.6 | 170 | 21 | 10.6 |
| 14-05-2021 00:00 | 50.29182 | -3.61678 | 0.55 | 0.84 | 10 | 6.8 | 173 | 16 | 10.6 |
| 13-05-2021 23:30 | 50.29182 | -3.61671 | 0.56 | 0.87 | 9.1 | 6.5 | 170 | 24 | 10.7 |
| 13-05-2021 23:00 | 50.29182 | -3.61669 | 0.57 | 0.86 | 10 | 6.1 | 177 | 30 | 10.7 |
| 13-05-2021 22:30 | 50.29183 | -3.61665 | 0.64 | 0.98 | 9.1 | 6.2 | 174 | 24 | 10.7 |
| 13-05-2021 22:00 | 50.29182 | -3.61656 | 0.64 | 0.99 | 9.1 | 6.1 | 181 | 19 | 10.7 |
| 13-05-2021 21:30 | 50.29189 | -3.61622 | 0.68 | 1.22 | 8.3 | 5.9 | 180 | 18 | 10.7 |
| 13-05-2021 21:00 | 50.29232 | -3.61592 | 0.71 | 1.04 | 10 | 5.5 | 183 | 25 | 10.7 |
| 13-05-2021 20:30 | 50.29250 | -3.61596 | 0.69 | 1 | 10.5 | 4.9 | 187 | 23 | 10.7 |
| 13-05-2021 20:00 | 50.29265 | -3.61607 | 0.72 | 1.19 | 10 | 5.7 | 183 | 26 | 10.7 |
| 13-05-2021 19:30 | 50.29267 | -3.61613 | 0.76 | 1.11 | 8.3 | 6 | 186 | 16 | 10.7 |
| 13-05-2021 19:00 | 50.29265 | -3.61611 | 0.7 | 1.01 | 10 | 5.9 | 188 | 20 | 10.7 |
| 13-05-2021 18:30 | 50.29270 | -3.61618 | 0.59 | 0.95 | 9.1 | 5.7 | 186 | 24 | 10.7 |
| 13-05-2021 18:00 | 50.29267 | -3.61611 | 0.52 | 0.86 | 10 | 5.8 | 184 | 31 | 10.7 |
| 13-05-2021 17:30 | 50.29267 | -3.61613 | 0.48 | 0.76 | 9.1 | 6 | 186 | 21 | 10.7 |
| 13-05-2021 17:00 | 50.29245 | -3.61613 | 0.48 | 0.66 | 10 | 6 | 191 | 23 | 10.7 |
| 13-05-2021 16:30 | 50.29200 | -3.61699 | 0.37 | 0.68 | 9.1 | 5.5 | 176 | 29 | 10.7 |
| 13-05-2021 16:00 | 50.29194 | -3.61703 | 0.33 | 0.52 | 11.1 | 5.3 | 148 | 56 | 10.7 |
| 13-05-2021 15:30 | 50.29196 | -3.61708 | 0.33 | 0.45 | 11.1 | 5.8 | 184 | 35 | 10.7 |
| 13-05-2021 15:00 | 50.29193 | -3.61708 | 0.36 | 0.55 | 11.1 | 6.3 | 159 | 52 | 10.7 |
| 13-05-2021 14:30 | 50.29192 | -3.61708 | 0.42 | 0.66 | 11.1 | 7 | 162 | 33 | 10.7 |
| 13-05-2021 14:00 | 50.29192 | -3.61712 | 0.45 | 0.6 | 10 | 6.9 | 173 | 27 | 10.7 |
| 13-05-2021 13:30 | 50.29191 | -3.61710 | 0.49 | 0.64 | 10 | 6.8 | 180 | 31 | 10.7 |
| 13-05-2021 13:00 | 50.29187 | -3.61697 | 0.62 | 0.94 | 10 | 7.7 | 176 | 26 | 10.7 |
| 13-05-2021 12:30 | 50.29184 | -3.61688 | 0.69 | 1.09 | 9.1 | 7.8 | 172 | 25 | 10.7 |
| 13-05-2021 12:00 | 50.29183 | -3.61684 | 0.69 | 0.92 | 10.5 | 7.7 | 184 | 29 | 10.7 |
| 13-05-2021 11:30 | 50.29184 | -3.61678 | 0.97 | 1.3 | 9.1 | 8.2 | 176 | 16 | 10.7 |
| 13-05-2021 11:00 | 50.29183 | -3.61669 | 0.87 | 1.36 | 10 | 8 | 177 | 19 | 10.7 |
| 13-05-2021 10:30 | 50.29181 | -3.61663 | 0.74 | 1.1 | 10 | 7.5 | 181 | 19 | 10.7 |
| 13-05-2021 10:00 | 50.29181 | -3.61652 | 0.65 | 1.12 | 11.1 | 7 | 169 | 25 | 10.7 |
| 13-05-2021 09:30 | 50.29182 | -3.61639 | 0.54 | 0.9 | 7.7 | 6.6 | 180 | 20 | 10.7 |
| 13-05-2021 09:00 | 50.29188 | -3.61622 | 0.52 | 0.83 | 7.7 | 6 | 184 | 24 | 10.6 |
| 13-05-2021 08:30 | 50.29205 | -3.61594 | 0.49 | 0.71 | 10 | 5.7 | 172 | 31 | 10.6 |
| 13-05-2021 08:00 | 50.29232 | -3.61585 | 0.45 | 0.83 | 7.7 | 4.8 | 186 | 27 | 10.6 |
| 13-05-2021 07:30 | 50.29251 | -3.61594 | 0.44 | 0.85 | 7.7 | 4.5 | 181 | 23 | 10.7 |
| 13-05-2021 07:00 | 50.29259 | -3.61600 | 0.44 | 0.62 | 8.3 | 4 | 186 | 24 | 10.7 |
| 13-05-2021 06:30 | 50.29257 | -3.61598 | 0.39 | 0.67 | 11.1 | 3.5 | 184 | 32 | 10.6 |
| 13-05-2021 06:00 | 50.29259 | -3.61598 | 0.34 | 0.52 | 5 | 3.5 | 91 | 35 | 10.6 |
| 13-05-2021 05:30 | 50.29258 | -3.61596 | 0.35 | 0.54 | 5.3 | 4 | 104 | 41 | 10.6 |
| 13-05-2021 05:00 | 50.29255 | -3.61596 | 0.34 | 0.55 | 5.3 | 4.3 | 96 | 32 | 10.6 |
