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 7 hours 36 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 13-09-2024 23:30 | 49.89259 | -6.31154 | 0.48 | - | 7.4 | 3.5 | 323 | 62 | 15.2 | - | - |
| 13-09-2024 23:00 | 49.89270 | -6.31165 | 0.46 | - | 6.2 | 3.6 | 266 | 57 | 15.2 | - | - |
| 13-09-2024 22:30 | 49.89277 | -6.31173 | 0.46 | - | 7.7 | 3.5 | 302 | 67 | 15.2 | - | - |
| 13-09-2024 22:00 | 49.89284 | -6.31182 | 0.48 | - | 7.4 | 3.4 | 301 | 57 | 15.2 | - | - |
| 13-09-2024 21:30 | 49.89290 | -6.31190 | 0.48 | - | 7.7 | 3.4 | 301 | 67 | 15.2 | - | - |
| 13-09-2024 21:00 | 49.89294 | -6.31205 | 0.46 | - | 6.9 | 3.5 | 290 | 49 | 15.3 | - | - |
| 13-09-2024 20:30 | 49.89303 | -6.31238 | 0.48 | - | 6.9 | 3.4 | 255 | 57 | 15.3 | - | - |
| 13-09-2024 20:00 | 49.89297 | -6.31321 | 0.46 | - | 7.7 | 3.5 | 318 | 53 | 15.3 | - | - |
| 13-09-2024 19:30 | 49.89250 | -6.31386 | 0.48 | - | 7.7 | 3.5 | 298 | 62 | 15.2 | - | - |
| 13-09-2024 19:00 | 49.89214 | -6.31394 | 0.48 | - | 8 | 3.6 | 304 | 67 | 15.4 | - | - |
| 13-09-2024 18:30 | 49.89195 | -6.31392 | 0.48 | - | 7.4 | 3.5 | 266 | 53 | 15.4 | - | - |
| 13-09-2024 18:00 | 49.89183 | -6.31388 | 0.48 | - | 8 | 3.8 | 294 | 57 | 15.4 | - | - |
| 13-09-2024 17:30 | 49.89180 | -6.31388 | 0.48 | - | 8.3 | 3.8 | 314 | 57 | 15.4 | - | - |
| 13-09-2024 17:00 | 49.89182 | -6.31390 | 0.46 | - | 8 | 3.7 | 311 | 67 | 15.4 | - | - |
| 13-09-2024 16:30 | 49.89172 | -6.31379 | 0.44 | - | 8 | 3.7 | 294 | 67 | 15.4 | - | - |
| 13-09-2024 16:00 | 49.89145 | -6.31336 | 0.46 | - | 8.3 | 3.9 | 318 | 57 | 15.4 | - | - |
| 13-09-2024 15:30 | 49.89186 | -6.31390 | 0.44 | - | 8.3 | 3.8 | 329 | 57 | 15.2 | - | - |
| 13-09-2024 15:00 | 49.89178 | -6.31379 | 0.44 | - | 8 | 4 | 256 | 67 | 15.2 | - | - |
| 13-09-2024 14:30 | 49.89162 | -6.31341 | 0.46 | - | 8 | 4.2 | 308 | 62 | 15.2 | - | - |
| 13-09-2024 14:00 | 49.89149 | -6.31311 | 0.44 | - | 8.3 | 4.7 | 278 | 67 | 15.2 | - | - |
| 13-09-2024 13:30 | 49.89145 | -6.31276 | 0.46 | - | 7.4 | 4.9 | 283 | 67 | 15.4 | - | - |
| 13-09-2024 13:00 | 49.89160 | -6.31192 | 0.44 | - | 7.7 | 4.6 | 285 | 67 | 15.4 | - | - |
| 13-09-2024 12:30 | 49.89235 | -6.31156 | 0.48 | - | 8.3 | 4.8 | 349 | 57 | 15.4 | - | - |
| 13-09-2024 12:00 | 49.89246 | -6.31154 | 0.48 | - | 4.7 | 4.6 | 93 | 53 | 15.4 | - | - |
| 13-09-2024 11:30 | 49.89260 | -6.31158 | 0.49 | - | 5 | 4.6 | 107 | 57 | 15.6 | - | - |
| 13-09-2024 11:00 | 49.89269 | -6.31169 | 0.51 | - | 6.1 | 4.5 | 252 | 78 | 15.5 | - | - |
| 13-09-2024 10:30 | 49.89278 | -6.31177 | 0.48 | - | 5.1 | 4.6 | 75 | 67 | 15.5 | - | - |
| 13-09-2024 10:00 | 49.89281 | -6.31182 | 0.51 | - | 7.4 | 4.6 | 308 | 57 | 15.4 | - | - |
| 13-09-2024 09:30 | 49.89283 | -6.31192 | 0.49 | - | 5.9 | 4.6 | 39 | 78 | 15.4 | - | - |
| 13-09-2024 09:00 | 49.89288 | -6.31205 | 0.51 | - | 5.6 | 4.6 | 352 | 73 | 15.3 | - | - |
| 13-09-2024 08:30 | 49.89291 | -6.31218 | 0.49 | - | 6.5 | 4.3 | 305 | 78 | 15.3 | - | - |
| 13-09-2024 08:00 | 49.89295 | -6.31248 | 0.48 | - | 5.3 | 4.4 | 339 | 73 | 15.2 | - | - |
| 13-09-2024 07:30 | 49.89296 | -6.31295 | 0.46 | - | 5.4 | 4.3 | 342 | 78 | 15.2 | - | - |
| 13-09-2024 07:00 | 49.89267 | -6.31364 | 0.46 | - | 5.9 | 4.3 | 218 | 78 | 15.2 | - | - |
| 13-09-2024 06:30 | 49.89233 | -6.31392 | 0.46 | - | 5.4 | 4.4 | 215 | 73 | 15.2 | - | - |
| 13-09-2024 06:00 | 49.89211 | -6.31398 | 0.46 | - | 8 | 4.3 | 323 | 53 | 15.2 | - | - |
| 13-09-2024 05:30 | 49.89189 | -6.31394 | 0.48 | - | 5.1 | 4.4 | 96 | 57 | 15.2 | - | - |
| 13-09-2024 05:00 | 49.89180 | -6.31386 | 0.46 | - | 8.7 | 4.5 | 313 | 57 | 15.2 | - | - |
| 13-09-2024 04:30 | 49.89179 | -6.31386 | 0.46 | - | 8.7 | 4.7 | 309 | 57 | 15.2 | - | - |
| 13-09-2024 04:00 | 49.89173 | -6.31375 | 0.44 | - | 8.3 | 4.5 | 333 | 57 | 15.2 | - | - |
| 13-09-2024 03:30 | 49.89170 | -6.31368 | 0.44 | - | 8 | 4.4 | 311 | 57 | 15.2 | - | - |
| 13-09-2024 03:00 | 49.89178 | -6.31371 | 0.46 | - | 8.3 | 4.6 | 342 | 57 | 15.2 | - | - |
| 13-09-2024 02:30 | 49.89174 | -6.31368 | 0.44 | - | 8.7 | 4.3 | 323 | 57 | 15.2 | - | - |
| 13-09-2024 02:00 | 49.89171 | -6.31362 | 0.44 | - | 8.3 | 4.1 | 306 | 67 | 15.2 | - | - |
| 13-09-2024 01:30 | 49.89170 | -6.31364 | 0.48 | - | 8 | 4.1 | 250 | 62 | 15.2 | - | - |
| 13-09-2024 01:00 | 49.89171 | -6.31377 | 0.49 | - | 8.3 | 4.5 | 300 | 67 | 15.2 | - | - |
| 13-09-2024 00:30 | 49.89218 | -6.31311 | 0.49 | - | 6.9 | 4.6 | 336 | 57 | 15.1 | - | - |
| 13-09-2024 00:00 | 49.89244 | -6.31188 | 0.53 | - | 8.7 | 4.6 | 319 | 57 | 15.2 | - | - |
| 12-09-2024 23:30 | 49.89248 | -6.31167 | 0.53 | - | 5.9 | 4.4 | 321 | 62 | 15.2 | - | - |
| 12-09-2024 23:00 | 49.89246 | -6.31158 | 0.55 | - | 9.1 | 4.4 | 311 | 57 | 15.2 | - | - |
