National Network of Regional Coastal Monitoring Programmes
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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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 10-09-2024 01:00 | 49.89179 | -6.31390 | 0.73 | - | 6.5 | 4.2 | 302 | 57 | 15.4 | - | - |
| Date | Highest Hs 2024 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
|---|---|---|---|
| 21-01 | 4.9m | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 20-07-2024 00:00 | 49.89293 | -6.31199 | 0.75 | - | 3.8 | 3.4 | 221 | 41 | 15 | - | - |
| 19-07-2024 23:30 | 49.89296 | -6.31201 | 0.69 | - | 3.9 | 3.4 | 225 | 41 | 14.6 | - | - |
| 19-07-2024 23:00 | 49.89297 | -6.31214 | 0.63 | - | 6.5 | 3.5 | 219 | 34 | 14.6 | - | - |
| 19-07-2024 22:30 | 49.89297 | -6.31317 | 0.61 | - | 4.3 | 3.7 | 210 | 41 | 14.6 | - | - |
| 19-07-2024 22:00 | 49.89237 | -6.31394 | 0.59 | - | 4.5 | 3.9 | 218 | 45 | 14.6 | - | - |
| 19-07-2024 21:30 | 49.89209 | -6.31401 | 0.61 | - | 4.3 | 4 | 217 | 34 | 14.7 | - | - |
| 19-07-2024 21:00 | 49.89193 | -6.31401 | 0.63 | - | 4.9 | 4.1 | 229 | 34 | 14.7 | - | - |
| 19-07-2024 20:30 | 49.89185 | -6.31398 | 0.67 | - | 4.7 | 4.1 | 228 | 38 | 14.8 | - | - |
| 19-07-2024 20:00 | 49.89178 | -6.31396 | 0.69 | - | 6.9 | 4.3 | 229 | 28 | 14.8 | - | - |
| 19-07-2024 19:30 | 49.89178 | -6.31398 | 0.69 | - | 4.7 | 4.3 | 229 | 34 | 14.8 | - | - |
| 19-07-2024 19:00 | 49.89170 | -6.31394 | 0.71 | - | 5 | 4.3 | 226 | 31 | 14.7 | - | - |
| 19-07-2024 18:30 | 49.89166 | -6.31394 | 0.78 | - | 6.9 | 4.5 | 226 | 23 | 14.4 | - | - |
| 19-07-2024 18:00 | 49.89165 | -6.31398 | 0.75 | - | 6.9 | 4.4 | 229 | 28 | 14.4 | - | - |
| 19-07-2024 17:30 | 49.89151 | -6.31371 | 0.71 | - | 4.4 | 4.2 | 221 | 31 | 14.8 | - | - |
| 19-07-2024 17:00 | 49.89147 | -6.31347 | 0.75 | - | 5.9 | 4 | 246 | 34 | 14.8 | - | - |
| 19-07-2024 16:30 | 49.89146 | -6.31345 | 0.75 | - | 6.1 | 3.9 | 236 | 34 | 15 | - | - |
| 19-07-2024 16:00 | 49.89138 | -6.31216 | 0.63 | - | 6.9 | 3.8 | 212 | 41 | 14.8 | - | - |
| 19-07-2024 15:30 | 49.89192 | -6.31177 | 0.65 | - | 4.4 | 3.8 | 188 | 34 | 14.8 | - | - |
| 19-07-2024 15:00 | 49.89249 | -6.31150 | 0.69 | - | 6.2 | 3.9 | 267 | 57 | 15 | - | - |
| 19-07-2024 14:30 | 49.89261 | -6.31152 | 0.67 | - | 6.7 | 3.8 | 284 | 57 | 15.3 | - | - |
| 19-07-2024 14:00 | 49.89265 | -6.31152 | 0.73 | - | 7.1 | 3.8 | 255 | 57 | 15.8 | - | - |
| 19-07-2024 13:30 | 49.89267 | -6.31158 | 0.69 | - | 6.2 | 3.7 | 280 | 49 | 15.2 | - | - |
| 19-07-2024 13:00 | 49.89275 | -6.31167 | 0.71 | - | 6.9 | 3.7 | 259 | 57 | 15.2 | - | - |
| 19-07-2024 12:30 | 49.89282 | -6.31177 | 0.69 | - | 6.7 | 3.6 | 267 | 57 | 15.2 | - | - |
| 19-07-2024 12:00 | 49.89296 | -6.31205 | 0.73 | - | 7.1 | 3.7 | 253 | 53 | 15.3 | - | - |
| 19-07-2024 11:30 | 49.89303 | -6.31225 | 0.75 | - | 6.9 | 3.7 | 228 | 41 | 15.4 | - | - |
| 19-07-2024 11:00 | 49.89305 | -6.31238 | 0.78 | - | 6.2 | 3.7 | 257 | 41 | 15.2 | - | - |
| 19-07-2024 10:30 | 49.89304 | -6.31235 | 0.67 | - | 6.7 | 3.6 | 233 | 41 | 14.9 | - | - |
| 19-07-2024 10:00 | 49.89294 | -6.31334 | 0.65 | - | 6.9 | 3.6 | 250 | 49 | 14.8 | - | - |
| 19-07-2024 09:30 | 49.89238 | -6.31394 | 0.61 | - | 7.7 | 3.6 | 219 | 57 | 15 | - | - |
| 19-07-2024 09:00 | 49.89206 | -6.31403 | 0.61 | - | 7.1 | 3.8 | 236 | 49 | 15 | - | - |
| 19-07-2024 08:30 | 49.89188 | -6.31396 | 0.63 | - | 6.5 | 3.9 | 256 | 49 | 15 | - | - |
| 19-07-2024 08:00 | 49.89183 | -6.31396 | 0.69 | - | 7.4 | 4.1 | 242 | 45 | 15 | - | - |
| 19-07-2024 07:30 | 49.89181 | -6.31398 | 0.75 | - | 7.4 | 4.4 | 232 | 31 | 15 | - | - |
| 19-07-2024 07:00 | 49.89178 | -6.31401 | 0.78 | - | 7.7 | 4.3 | 232 | 38 | 15 | - | - |
| 19-07-2024 06:30 | 49.89168 | -6.31396 | 0.8 | - | 7.4 | 4.3 | 233 | 49 | 14.7 | - | - |
| 19-07-2024 06:00 | 49.89166 | -6.31396 | 0.78 | - | 7.1 | 4.2 | 238 | 41 | 14.6 | - | - |
| 19-07-2024 05:30 | 49.89156 | -6.31373 | 0.78 | - | 7.7 | 4.3 | 235 | 38 | 14.9 | - | - |
| 19-07-2024 05:00 | 49.89130 | -6.31315 | 0.75 | - | 7.1 | 4.4 | 240 | 35 | 14.7 | - | - |
| 19-07-2024 04:30 | 49.89159 | -6.31368 | 0.71 | - | 6.5 | 4.1 | 231 | 34 | 15 | - | - |
| 19-07-2024 04:00 | 49.89136 | -6.31244 | 0.59 | - | 7.1 | 3.8 | 242 | 45 | 14.8 | - | - |
| 19-07-2024 03:30 | 49.89182 | -6.31173 | 0.57 | - | 6.7 | 3.9 | 255 | 49 | 15.8 | - | - |
| 19-07-2024 03:00 | 49.89249 | -6.31152 | 0.61 | - | 6.9 | 4.2 | 259 | 41 | 16.2 | - | - |
| 19-07-2024 02:30 | 49.89270 | -6.31162 | 0.65 | - | 7.1 | 4.1 | 238 | 49 | 16.4 | - | - |
| 19-07-2024 02:00 | 49.89274 | -6.31162 | 0.67 | - | 7.4 | 4.1 | 239 | 49 | 16.3 | - | - |
| 19-07-2024 01:30 | 49.89263 | -6.31156 | 0.67 | - | 5.9 | 4 | 239 | 45 | 15.3 | - | - |
| 19-07-2024 01:00 | 49.89267 | -6.31160 | 0.71 | - | 6.7 | 4.2 | 238 | 41 | 15.4 | - | - |
| 19-07-2024 00:30 | 49.89278 | -6.31173 | 0.67 | - | 6.2 | 4.2 | 238 | 41 | 15.6 | - | - |
| 19-07-2024 00:00 | 49.89290 | -6.31195 | 0.67 | - | 7.1 | 4.4 | 236 | 49 | 15.4 | - | - |
