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 (Data was last updated 8 hours 54 minutes ago)
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 13-09-2024 23:30 | 49.89259 | -6.31154 | 0.48 | - | 7.4 | 3.5 | 323 | 62 | 15.2 | - | - |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 03-08-2024 00:00 | 49.89273 | -6.31165 | 0.8 | - | 16.7 | 4.1 | 197 | 28 | 14.6 | - | - |
| 02-08-2024 23:30 | 49.89276 | -6.31173 | 0.82 | - | 5.4 | 4.1 | 224 | 41 | 14.6 | - | - |
| 02-08-2024 23:00 | 49.89295 | -6.31218 | 0.8 | - | 5.4 | 4.1 | 218 | 34 | 14.7 | - | - |
| 02-08-2024 22:30 | 49.89276 | -6.31356 | 0.82 | - | 5.9 | 4.3 | 218 | 45 | 14.7 | - | - |
| 02-08-2024 22:00 | 49.89222 | -6.31396 | 0.89 | - | 5.4 | 4.4 | 212 | 41 | 14.8 | - | - |
| 02-08-2024 21:30 | 49.89195 | -6.31396 | 0.99 | - | 5.6 | 4.4 | 226 | 34 | 15 | - | - |
| 02-08-2024 21:00 | 49.89186 | -6.31396 | 1.02 | - | 5.4 | 4.6 | 219 | 38 | 15.1 | - | - |
| 02-08-2024 20:30 | 49.89179 | -6.31396 | 1.1 | - | 5.7 | 4.6 | 233 | 29 | 15.2 | - | - |
| 02-08-2024 20:00 | 49.89181 | -6.31398 | 1.12 | - | 5.4 | 4.7 | 222 | 23 | 15.2 | - | - |
| 02-08-2024 19:30 | 49.89174 | -6.31398 | 1.07 | - | 5 | 4.6 | 229 | 34 | 15.1 | - | - |
| 02-08-2024 19:00 | 49.89166 | -6.31394 | 1.02 | - | 5.6 | 4.6 | 228 | 28 | 14.8 | - | - |
| 02-08-2024 18:30 | 49.89170 | -6.31398 | 1.04 | - | 5.9 | 4.6 | 225 | 28 | 14.6 | - | - |
| 02-08-2024 18:00 | 49.89153 | -6.31368 | 1.12 | - | 5.3 | 4.6 | 219 | 29 | 15.4 | - | - |
| 02-08-2024 17:30 | 49.89128 | -6.31304 | 1.15 | - | 6.1 | 4.6 | 250 | 31 | 15.4 | - | - |
| 02-08-2024 17:00 | 49.89138 | -6.31319 | 1.07 | - | 5.4 | 4.2 | 218 | 34 | 15.4 | - | - |
| 02-08-2024 16:30 | 49.89135 | -6.31238 | 0.97 | - | 5.3 | 4.1 | 210 | 34 | 15.4 | - | - |
| 02-08-2024 16:00 | 49.89188 | -6.31167 | 0.94 | - | 5.1 | 3.9 | 215 | 38 | 15.6 | - | - |
| 02-08-2024 15:30 | 49.89254 | -6.31150 | 0.92 | - | 4.8 | 3.9 | 204 | 38 | 16 | - | - |
| 02-08-2024 15:00 | 49.89251 | -6.31147 | 0.94 | - | 5.1 | 3.9 | 238 | 53 | 16.2 | - | - |
| 02-08-2024 14:30 | 49.89258 | -6.31147 | 0.97 | - | 4.7 | 3.8 | 215 | 45 | 16.3 | - | - |
| 02-08-2024 14:00 | 49.89267 | -6.31154 | 0.94 | - | 4.9 | 3.7 | 235 | 45 | 16.4 | - | - |
| 02-08-2024 13:30 | 49.89275 | -6.31158 | 0.94 | - | 4.4 | 3.6 | 221 | 34 | 16.4 | - | - |
| 02-08-2024 13:00 | 49.89277 | -6.31167 | 0.94 | - | 4.4 | 3.6 | 219 | 31 | 15.8 | - | - |
| 02-08-2024 12:30 | 49.89284 | -6.31177 | 0.87 | - | 4.8 | 3.5 | 225 | 34 | 16 | - | - |
| 02-08-2024 12:00 | 49.89289 | -6.31190 | 0.78 | - | 4.4 | 3.5 | 229 | 28 | 16.1 | - | - |
| 02-08-2024 11:30 | 49.89294 | -6.31199 | 0.75 | - | 16.7 | 3.4 | 202 | 41 | 16 | - | - |
| 02-08-2024 11:00 | 49.89297 | -6.31210 | 0.61 | - | 16.7 | 3.4 | 215 | 34 | 16.2 | - | - |
| 02-08-2024 10:30 | 49.89305 | -6.31227 | 0.57 | - | 18.2 | 3.4 | 191 | 41 | 16.6 | - | - |
| 02-08-2024 10:00 | 49.89306 | -6.31295 | 0.55 | - | 18.2 | 3.5 | 177 | 34 | 16.2 | - | - |
| 02-08-2024 09:30 | 49.89251 | -6.31377 | 0.57 | - | 16.7 | 3.6 | 200 | 41 | 16.2 | - | - |
| 02-08-2024 09:00 | 49.89210 | -6.31398 | 0.57 | - | 4.3 | 3.8 | 256 | 49 | 16 | - | - |
| 02-08-2024 08:30 | 49.89193 | -6.31394 | 0.53 | - | 4.2 | 3.9 | 257 | 49 | 15.9 | - | - |
| 02-08-2024 08:00 | 49.89188 | -6.31398 | 0.61 | - | 4.2 | 3.9 | 249 | 45 | 15.8 | - | - |
| 02-08-2024 07:30 | 49.89192 | -6.31405 | 0.65 | - | 4.3 | 4 | 239 | 38 | 15.8 | - | - |
| 02-08-2024 07:00 | 49.89171 | -6.31398 | 0.59 | - | 4.1 | 3.8 | 263 | 49 | 15.6 | - | - |
| 02-08-2024 06:30 | 49.89173 | -6.31388 | 0.51 | - | 18.2 | 3.8 | 200 | 41 | 14.8 | - | - |
| 02-08-2024 06:00 | 49.89170 | -6.31386 | 0.51 | - | 3.7 | 3.8 | 225 | 34 | 15.5 | - | - |
| 02-08-2024 05:30 | 49.89143 | -6.31347 | 0.51 | - | 8 | 3.9 | 253 | 49 | 15.4 | - | - |
| 02-08-2024 05:00 | 49.89165 | -6.31377 | 0.49 | - | 18.2 | 3.9 | 208 | 41 | 15.3 | - | - |
| 02-08-2024 04:30 | 49.89134 | -6.31302 | 0.51 | - | 18.2 | 3.6 | 189 | 28 | 15.3 | - | - |
| 02-08-2024 04:00 | 49.89144 | -6.31201 | 0.42 | - | 18.2 | 3.8 | 195 | 28 | 15.2 | - | - |
| 02-08-2024 03:30 | 49.89226 | -6.31160 | 0.41 | - | 18.2 | 4 | 195 | 41 | 15.4 | - | - |
| 02-08-2024 03:00 | 49.89231 | -6.31147 | 0.41 | - | 13.3 | 4.3 | 205 | 34 | 15.4 | - | - |
| 02-08-2024 02:30 | 49.89245 | -6.31147 | 0.39 | - | 18.2 | 4.4 | 200 | 49 | 15.8 | - | - |
| 02-08-2024 02:00 | 49.89256 | -6.31156 | 0.38 | - | 18.2 | 4.4 | 202 | 34 | 16 | - | - |
| 02-08-2024 01:30 | 49.89258 | -6.31156 | 0.34 | - | 18.2 | 4.3 | 191 | 49 | 16.1 | - | - |
| 02-08-2024 01:00 | 49.89270 | -6.31165 | 0.36 | - | 18.2 | 4.5 | 212 | 28 | 16.2 | - | - |
| 02-08-2024 00:30 | 49.89278 | -6.31173 | 0.33 | - | 18.2 | 4.5 | 184 | 41 | 16.4 | - | - |
| 02-08-2024 00:00 | 49.89279 | -6.31180 | 0.33 | - | 18.2 | 4.4 | 198 | 28 | 16.4 | - | - |
