National Network of Regional Coastal Monitoring Programmes
« Return to map for other wave, tide and met stations.
Note that these are real-time data and are not quality-controlled.
St Mary's Sound
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15-01-2025 15:30 | 49.89274 | -6.31160 | 1.02 | - | 11.8 | 4.8 | 221 | 62 | 11.3 | - | - |
| Date | Highest Hs 2025 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
|---|---|---|---|
| 08-01 | 4m | 4.43m | 10.90s |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 15-01-2025 15:30 | 49.89274 | -6.31160 | 1.02 | - | 11.8 | 4.8 | 221 | 62 | 11.3 | - | - |
| 15-01-2025 15:00 | 49.89281 | -6.31173 | 0.89 | - | 10 | 4.7 | 236 | 49 | 11.3 | - | - |
| 15-01-2025 14:30 | 49.89282 | -6.31177 | 0.89 | - | 12.5 | 4.4 | 240 | 57 | 11.3 | - | - |
| 15-01-2025 14:00 | 49.89291 | -6.31199 | 0.82 | - | 11.8 | 4.4 | 224 | 57 | 11.3 | - | - |
| 15-01-2025 13:30 | 49.89294 | -6.31216 | 0.78 | - | 12.5 | 4.3 | 200 | 67 | 11.3 | - | - |
| 15-01-2025 13:00 | 49.89300 | -6.31246 | 0.73 | - | 12.5 | 4.2 | 202 | 49 | 11.3 | - | - |
| 15-01-2025 12:30 | 49.89279 | -6.31358 | 0.73 | - | 12.5 | 4.3 | 164 | 67 | 11.3 | - | - |
| 15-01-2025 12:00 | 49.89235 | -6.31401 | 0.78 | - | 12.5 | 4.7 | 233 | 67 | 11.3 | - | - |
| 15-01-2025 11:30 | 49.89202 | -6.31405 | 0.84 | - | 12.5 | 4.9 | 276 | 57 | 11.3 | - | - |
| 15-01-2025 11:00 | 49.89188 | -6.31396 | 0.87 | - | 12.5 | 5 | 252 | 57 | 11.3 | - | - |
| 15-01-2025 10:30 | 49.89189 | -6.31398 | 0.89 | - | 12.5 | 5 | 264 | 49 | 11.3 | - | - |
| 15-01-2025 10:00 | 49.89195 | -6.31405 | 0.99 | - | 12.5 | 5.5 | 267 | 78 | 11.3 | - | - |
| 15-01-2025 09:30 | 49.89186 | -6.31396 | 1.21 | - | 11.1 | 6.2 | 245 | 41 | 11.3 | - | - |
| 15-01-2025 09:00 | 49.89183 | -6.31403 | 1.33 | - | 12.5 | 6.6 | 228 | 49 | 11.3 | - | - |
| 15-01-2025 08:30 | 49.89149 | -6.31381 | 1.43 | - | 12.5 | 6.5 | 245 | 49 | 11.2 | - | - |
| 15-01-2025 08:00 | 49.89179 | -6.31409 | 1.43 | - | 12.5 | 6.7 | 264 | 49 | 11.2 | - | - |
| 15-01-2025 07:30 | 49.89141 | -6.31375 | 1.43 | - | 11.8 | 6.6 | 238 | 49 | 11.2 | - | - |
| 15-01-2025 07:00 | 49.89148 | -6.31343 | 1.21 | - | 11.8 | 5.7 | 226 | 49 | 11.2 | - | - |
| 15-01-2025 06:30 | 49.89130 | -6.31293 | 1.1 | - | 12.5 | 5.3 | 224 | 49 | 11.2 | - | - |
| 15-01-2025 06:00 | 49.89145 | -6.31201 | 1.04 | - | 11.1 | 5.4 | 239 | 57 | 11.2 | - | - |
| 15-01-2025 05:30 | 49.89229 | -6.31147 | 0.94 | - | 12.5 | 5.3 | 261 | 67 | 11.3 | - | - |
| 15-01-2025 05:00 | 49.89266 | -6.31165 | 0.97 | - | 10.5 | 5.4 | 295 | 62 | 11.3 | - | - |
| 15-01-2025 04:30 | 49.89267 | -6.31158 | 1.02 | - | 11.1 | 5.5 | 238 | 57 | 11.3 | - | - |
| 15-01-2025 04:00 | 49.89269 | -6.31160 | 0.92 | - | 11.8 | 5.2 | 211 | 62 | 11.3 | - | - |
| 15-01-2025 03:30 | 49.89273 | -6.31160 | 0.97 | - | 11.8 | 5.5 | 283 | 49 | 11.3 | - | - |
| 15-01-2025 03:00 | 49.89278 | -6.31167 | 0.84 | - | 11.8 | 5 | 248 | 73 | 11.3 | - | - |
| 15-01-2025 02:30 | 49.89275 | -6.31162 | 0.84 | - | 10.5 | 4.8 | 246 | 57 | 11.3 | - | - |
| 15-01-2025 02:00 | 49.89276 | -6.31165 | 0.84 | - | 11.1 | 4.8 | 249 | 57 | 11.3 | - | - |
| 15-01-2025 01:30 | 49.89281 | -6.31175 | 0.84 | - | 10 | 4.8 | 212 | 62 | 11.3 | - | - |
| 15-01-2025 01:00 | 49.89284 | -6.31182 | 0.78 | - | 13.3 | 4.6 | 186 | 57 | 11.3 | - | - |
| 15-01-2025 00:30 | 49.89290 | -6.31195 | 0.75 | - | 13.3 | 4.8 | 181 | 67 | 11.3 | - | - |
| 15-01-2025 00:00 | 49.89295 | -6.31225 | 0.8 | - | 13.3 | 5 | 176 | 57 | 11.3 | - | - |
| 14-01-2025 23:30 | 49.89297 | -6.31257 | 0.87 | - | 13.3 | 5.2 | 235 | 49 | 11.3 | - | - |
| 14-01-2025 23:00 | 49.89280 | -6.31328 | 0.89 | - | 13.3 | 5.5 | 217 | 49 | 11.3 | - | - |
| 14-01-2025 22:30 | 49.89251 | -6.31383 | 0.97 | - | 12.5 | 5.8 | 198 | 57 | 11.3 | - | - |
| 14-01-2025 22:00 | 49.89215 | -6.31403 | 1.18 | - | 13.3 | 6.6 | 240 | 46 | 11.3 | - | - |
| 14-01-2025 21:30 | 49.89186 | -6.31396 | 1.27 | - | 11.1 | 6.6 | 238 | 38 | 11.3 | - | - |
| 14-01-2025 21:00 | 49.89176 | -6.31392 | 1.39 | - | 12.5 | 6.8 | 267 | 49 | 11.3 | - | - |
| 14-01-2025 20:30 | 49.89162 | -6.31390 | 1.82 | - | 13.3 | 7.8 | 231 | 34 | 11.3 | - | - |
| 14-01-2025 20:00 | 49.89161 | -6.31381 | 1.27 | - | 13.3 | 6.4 | 233 | 57 | 11.2 | - | - |
| 14-01-2025 19:30 | 49.89156 | -6.31383 | 1.49 | - | 11.8 | 6.7 | 226 | 51 | 11.2 | - | - |
| 14-01-2025 19:00 | 49.89128 | -6.31302 | 1.49 | - | 13.3 | 6.4 | 256 | 57 | 11.2 | - | - |
| 14-01-2025 18:30 | 49.89135 | -6.31306 | 1.46 | - | 13.3 | 6 | 233 | 49 | 11.3 | - | - |
| 14-01-2025 18:00 | 49.89136 | -6.31225 | 1.24 | - | 11.8 | 5.4 | 225 | 49 | 11.2 | - | - |
| 14-01-2025 17:30 | 49.89245 | -6.31152 | 1.15 | - | 10.5 | 5.2 | 219 | 53 | 11.3 | - | - |
| 14-01-2025 17:00 | 49.89264 | -6.31158 | 1.33 | - | 10.5 | 5.6 | 229 | 53 | 11.3 | - | - |
| 14-01-2025 16:30 | 49.89265 | -6.31156 | 1.24 | - | 11.8 | 5.3 | 243 | 57 | 11.3 | - | - |
| 14-01-2025 16:00 | 49.89266 | -6.31152 | 1.33 | - | 11.8 | 5.7 | 218 | 41 | 11.3 | - | - |
| 14-01-2025 15:30 | 49.89267 | -6.31154 | 1.3 | - | 12.5 | 5.4 | 235 | 49 | 11.3 | - | - |
| 14-01-2025 15:00 | 49.89271 | -6.31156 | 1.24 | - | 11.1 | 5.4 | 226 | 45 | 11.3 | - | - |
