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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 09-12-2024 04:00 | 49.89177 | -6.31396 | 1.18 | - | 7.7 | 4.3 | 94 | 45 | 12.4 | - | - |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 09-12-2024 04:00 | 49.89177 | -6.31396 | 1.18 | - | 7.7 | 4.3 | 94 | 45 | 12.4 | - | - |
| 09-12-2024 03:30 | 49.89173 | -6.31396 | 1.15 | - | 6.9 | 4.3 | 107 | 34 | 12.4 | - | - |
| 09-12-2024 03:00 | 49.89170 | -6.31396 | 1.18 | - | 8 | 4.3 | 77 | 49 | 12.4 | - | - |
| 09-12-2024 02:30 | 49.89175 | -6.31398 | 1.18 | - | 7.7 | 4.3 | 80 | 45 | 12.4 | - | - |
| 09-12-2024 02:00 | 49.89159 | -6.31377 | 1.1 | - | 9.1 | 4.2 | 68 | 57 | 12.4 | - | - |
| 09-12-2024 01:30 | 49.89165 | -6.31383 | 1.07 | - | 7.1 | 3.9 | 86 | 58 | 12.4 | - | - |
| 09-12-2024 01:00 | 49.89164 | -6.31386 | 0.99 | - | 7.7 | 3.8 | 56 | 67 | 12.4 | - | - |
| 09-12-2024 00:30 | 49.89143 | -6.31360 | 1.1 | - | 10 | 4.3 | 124 | 68 | 12.4 | - | - |
| 09-12-2024 00:00 | 49.89151 | -6.31358 | 1.12 | - | 9.1 | 3.9 | 124 | 67 | 12.2 | - | - |
| 08-12-2024 23:30 | 49.89145 | -6.31349 | 1.18 | - | 10.5 | 4.1 | 86 | 67 | 12.3 | - | - |
| 08-12-2024 23:00 | 49.89142 | -6.31218 | 1.3 | - | 11.8 | 4.3 | 159 | 57 | 12.2 | - | - |
| 08-12-2024 22:30 | 49.89170 | -6.31162 | 1.49 | - | 10 | 4.5 | 86 | 62 | 12.3 | - | - |
| 08-12-2024 22:00 | 49.89214 | -6.31143 | 1.36 | - | 5.7 | 4.3 | 59 | 23 | 12.4 | - | - |
| 08-12-2024 21:30 | 49.89209 | -6.31147 | 1.24 | - | 10 | 4.2 | 52 | 67 | 12.4 | - | - |
| 08-12-2024 21:00 | 49.89219 | -6.31143 | 1.46 | - | 6.5 | 4.6 | 77 | 28 | 12.4 | - | - |
| 08-12-2024 20:30 | 49.89234 | -6.31139 | 1.56 | - | 6.1 | 4.6 | 55 | 28 | 12.4 | - | - |
| 08-12-2024 20:00 | 49.89255 | -6.31152 | 1.6 | - | 6.7 | 4.6 | 63 | 28 | 12.4 | - | - |
| 08-12-2024 19:30 | 49.89262 | -6.31160 | 1.63 | - | 8 | 4.9 | 63 | 35 | 12.4 | - | - |
| 08-12-2024 19:00 | 49.89262 | -6.31162 | 1.56 | - | 8 | 4.6 | 59 | 31 | 12.4 | - | - |
| 08-12-2024 18:30 | 49.89258 | -6.31160 | 1.67 | - | 8.3 | 4.8 | 68 | 28 | 12.4 | - | - |
| 08-12-2024 18:00 | 49.89198 | -6.31156 | 1.78 | - | 9.5 | 4.8 | 77 | 34 | 12.4 | - | - |
| 08-12-2024 17:30 | 49.89152 | -6.31308 | 1.74 | - | 7.7 | 4.9 | 66 | 31 | 12.4 | - | - |
| 08-12-2024 17:00 | 49.89157 | -6.31341 | 1.63 | - | 8.3 | 4.9 | 62 | 34 | 12.4 | - | - |
| 08-12-2024 16:30 | 49.89175 | -6.31375 | 1.49 | - | 7.7 | 4.5 | 62 | 41 | 12.4 | - | - |
| 08-12-2024 16:00 | 49.89171 | -6.31379 | 1.43 | - | 7.4 | 4.6 | 63 | 38 | 12.4 | - | - |
| 08-12-2024 15:30 | 49.89168 | -6.31381 | 1.53 | - | 8.7 | 4.9 | 84 | 28 | 12.4 | - | - |
| 08-12-2024 15:00 | 49.89166 | -6.31386 | 1.33 | - | 8 | 4.6 | 62 | 38 | 12.4 | - | - |
| 08-12-2024 14:30 | 49.89164 | -6.31386 | 1.33 | - | 8.7 | 4.9 | 93 | 34 | 12.4 | - | - |
| 08-12-2024 14:00 | 49.89165 | -6.31388 | 1.18 | - | 10.5 | 4.6 | 97 | 57 | 12.4 | - | - |
| 08-12-2024 13:30 | 49.89163 | -6.31388 | 1.27 | - | 9.1 | 4.7 | 86 | 57 | 12.5 | - | - |
| 08-12-2024 13:00 | 49.89157 | -6.31379 | 1.12 | - | 11.1 | 4.3 | 101 | 67 | 12.4 | - | - |
| 08-12-2024 12:30 | 49.89156 | -6.31379 | 1.04 | - | 10 | 4.1 | 8 | 73 | 12.5 | - | - |
| 08-12-2024 12:00 | 49.89151 | -6.31373 | 1.12 | - | 11.8 | 4.1 | 315 | 68 | 12.4 | - | - |
| 08-12-2024 11:30 | 49.89141 | -6.31351 | 1.21 | - | 11.1 | 4.3 | 325 | 67 | 12.4 | - | - |
| 08-12-2024 11:00 | 49.89134 | -6.31313 | 1.3 | - | 10.5 | 4.3 | 338 | 57 | 12.2 | - | - |
| 08-12-2024 10:30 | 49.89134 | -6.31253 | 1.15 | - | 10.5 | 4.2 | 210 | 73 | 12.2 | - | - |
| 08-12-2024 10:00 | 49.89153 | -6.31186 | 1.3 | - | 10 | 4.3 | 352 | 73 | 12.2 | - | - |
| 08-12-2024 09:30 | 49.89215 | -6.31147 | 1.3 | - | 11.1 | 4.3 | 335 | 78 | 12.4 | - | - |
| 08-12-2024 09:00 | 49.89225 | -6.31145 | 1.43 | - | 10 | 4.4 | 44 | 62 | 12.4 | - | - |
| 08-12-2024 08:30 | 49.89221 | -6.31143 | 1.49 | - | 9.5 | 4.6 | 35 | 49 | 12.4 | - | - |
| 08-12-2024 08:00 | 49.89227 | -6.31141 | 1.74 | - | 10 | 4.8 | 56 | 53 | 12.4 | - | - |
| 08-12-2024 07:30 | 49.89249 | -6.31150 | 1.82 | - | 9.5 | 5.2 | 72 | 57 | 12.4 | - | - |
| 08-12-2024 07:00 | 49.89256 | -6.31156 | 1.98 | - | 10 | 5.3 | 70 | 38 | 12.5 | - | - |
| 08-12-2024 06:30 | 49.89259 | -6.31160 | 2.02 | - | 6.9 | 5.3 | 69 | 28 | 12.5 | - | - |
| 08-12-2024 06:00 | 49.89265 | -6.31169 | 2.19 | - | 10.5 | 5.4 | 60 | 41 | 12.6 | - | - |
| 08-12-2024 05:30 | 49.89271 | -6.31171 | 2.1 | - | 10 | 5.4 | 70 | 41 | 12.6 | - | - |
| 08-12-2024 05:00 | 49.89274 | -6.31175 | 1.98 | - | 6.7 | 5.2 | 87 | 28 | 12.6 | - | - |
| 08-12-2024 04:30 | 49.89280 | -6.31186 | 1.98 | - | 10.5 | 5.1 | 80 | 46 | 12.6 | - | - |
| 08-12-2024 04:00 | 49.89285 | -6.31201 | 2.02 | - | 9.5 | 5.1 | 63 | 41 | 12.6 | - | - |
