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) |
---|---|---|---|---|---|---|---|---|---|---|---|
12-02-2025 22:30 | 49.89277 | -6.31366 | 1.49 | - | 6.1 | 4.4 | 132 | 34 | 10.5 | - | - |
Date | Highest Hs 2025 | Storm Alert Threshold (0.25 yr Return Period Hs) |
Swell Alert Threshold (0.25 yr Return Period Te) |
---|---|---|---|
27-01 | 5.4m | 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) |
---|---|---|---|---|---|---|---|---|---|---|---|
08-12-2024 00:00 | 49.89150 | -6.31360 | 1.67 | - | 10.5 | 4.6 | 352 | 68 | 12.3 | - | - |
07-12-2024 23:30 | 49.89142 | -6.31358 | 1.56 | - | 11.1 | 4.6 | 28 | 73 | 12.2 | - | - |
07-12-2024 23:00 | 49.89126 | -6.31302 | 1.86 | - | 11.8 | 5 | 285 | 62 | 12.4 | - | - |
07-12-2024 22:30 | 49.89135 | -6.31323 | 2.02 | - | 12.5 | 5.3 | 297 | 49 | 12.5 | - | - |
07-12-2024 22:00 | 49.89142 | -6.31336 | 1.9 | - | 10.5 | 5.3 | 238 | 53 | 12.5 | - | - |
07-12-2024 21:30 | 49.89155 | -6.31186 | 1.63 | - | 11.1 | 5 | 284 | 53 | 12.4 | - | - |
07-12-2024 21:00 | 49.89148 | -6.31184 | 1.39 | - | 13.3 | 4.7 | 233 | 67 | 12.5 | - | - |
07-12-2024 20:30 | 49.89163 | -6.31167 | 1.56 | - | 10 | 4.6 | 315 | 67 | 12.5 | - | - |
07-12-2024 20:00 | 49.89210 | -6.31139 | 1.67 | - | 10 | 4.7 | 284 | 53 | 12.5 | - | - |
07-12-2024 19:30 | 49.89218 | -6.31139 | 1.78 | - | 11.1 | 4.8 | 298 | 73 | 12.5 | - | - |
07-12-2024 19:00 | 49.89225 | -6.31132 | 1.78 | - | 10 | 4.9 | 325 | 63 | 12.5 | - | - |
07-12-2024 18:30 | 49.89232 | -6.31137 | 1.82 | - | 6.9 | 4.8 | 175 | 49 | 12.5 | - | - |
07-12-2024 18:00 | 49.89239 | -6.31141 | 1.9 | - | 6.5 | 4.9 | 35 | 57 | 12.5 | - | - |
07-12-2024 17:30 | 49.89248 | -6.31139 | 1.9 | - | 5.7 | 5 | 15 | 53 | 12.6 | - | - |
07-12-2024 17:00 | 49.89255 | -6.31143 | 1.86 | - | 6.1 | 4.8 | 37 | 49 | 12.6 | - | - |
07-12-2024 16:30 | 49.89263 | -6.31147 | 2.02 | - | 6.1 | 5 | 46 | 53 | 12.6 | - | - |
07-12-2024 16:00 | 49.89262 | -6.31154 | 1.94 | - | 5.9 | 4.9 | 42 | 49 | 12.6 | - | - |
07-12-2024 15:30 | 49.89254 | -6.31145 | 1.94 | - | 9.5 | 4.9 | 67 | 41 | 12.6 | - | - |
07-12-2024 15:00 | 49.89242 | -6.31145 | 1.98 | - | 8.3 | 4.8 | 83 | 49 | 12.6 | - | - |
07-12-2024 14:30 | 49.89162 | -6.31165 | 2.19 | - | 7.1 | 5 | 70 | 62 | 12.6 | - | - |
07-12-2024 14:00 | 49.89138 | -6.31308 | 2.28 | - | 6.5 | 5.1 | 50 | 57 | 12.6 | - | - |
07-12-2024 13:30 | 49.89141 | -6.31306 | 1.86 | - | 7.7 | 4.9 | 345 | 67 | 12.4 | - | - |
07-12-2024 13:00 | 49.89138 | -6.31317 | 1.98 | - | 12.5 | 5 | 325 | 67 | 12.4 | - | - |
07-12-2024 12:30 | 49.89136 | -6.31323 | 1.94 | - | 14.3 | 5 | 290 | 67 | 12.4 | - | - |
07-12-2024 12:00 | 49.89133 | -6.31311 | 1.94 | - | 13.3 | 4.9 | 276 | 57 | 12.5 | - | - |
07-12-2024 11:30 | 49.89135 | -6.31328 | 2.06 | - | 11.8 | 5 | 311 | 62 | 12.5 | - | - |
07-12-2024 11:00 | 49.89131 | -6.31311 | 2.33 | - | 13.3 | 5.2 | 269 | 41 | 12.6 | - | - |
07-12-2024 10:30 | 49.89130 | -6.31250 | 2.37 | - | 13.3 | 5.3 | 308 | 49 | 12.6 | - | - |
07-12-2024 10:00 | 49.89139 | -6.31306 | 2.52 | - | 12.5 | 5.8 | 300 | 57 | 12.6 | - | - |
07-12-2024 09:30 | 49.89130 | -6.31265 | 2.33 | - | 13.3 | 5.9 | 285 | 57 | 12.6 | - | - |
07-12-2024 09:00 | 49.89135 | -6.31212 | 2.28 | - | 13.3 | 6.4 | 219 | 67 | 12.6 | - | - |
07-12-2024 08:30 | 49.89135 | -6.31242 | 2.19 | - | 12.5 | 5.4 | 267 | 67 | 12.6 | - | - |
07-12-2024 08:00 | 49.89179 | -6.31154 | 2.15 | - | 11.8 | 5.3 | 252 | 67 | 12.6 | - | - |
07-12-2024 07:30 | 49.89211 | -6.31137 | 2.06 | - | 12.5 | 5.4 | 274 | 57 | 12.6 | - | - |
07-12-2024 07:00 | 49.89230 | -6.31137 | 1.94 | - | 11.8 | 5 | 290 | 62 | 12.6 | - | - |
07-12-2024 06:30 | 49.89240 | -6.31143 | 2.02 | - | 11.8 | 5.2 | 260 | 53 | 12.6 | - | - |
07-12-2024 06:00 | 49.89245 | -6.31139 | 1.94 | - | 6.5 | 5 | 333 | 49 | 12.6 | - | - |
07-12-2024 05:30 | 49.89239 | -6.31135 | 1.98 | - | 12.5 | 5.1 | 288 | 67 | 12.6 | - | - |
07-12-2024 05:00 | 49.89253 | -6.31141 | 1.98 | - | 11.1 | 5.1 | 235 | 62 | 12.7 | - | - |
07-12-2024 04:30 | 49.89260 | -6.31145 | 2.06 | - | 7.1 | 5.1 | 264 | 49 | 12.7 | - | - |
07-12-2024 04:00 | 49.89258 | -6.31143 | 1.98 | - | 6.2 | 5 | 288 | 57 | 12.7 | - | - |
07-12-2024 03:30 | 49.89258 | -6.31143 | 1.94 | - | 8.7 | 5 | 248 | 49 | 12.7 | - | - |
07-12-2024 03:00 | 49.89249 | -6.31143 | 2.06 | - | 6.9 | 5.1 | 291 | 49 | 12.8 | - | - |
07-12-2024 02:30 | 49.89261 | -6.31152 | 2.1 | - | 7.4 | 5.2 | 224 | 49 | 12.8 | - | - |
07-12-2024 02:00 | 49.89264 | -6.31165 | 2.28 | - | 8 | 5.4 | 225 | 41 | 12.8 | - | - |
07-12-2024 01:30 | 49.89188 | -6.31349 | 2.28 | - | 10.5 | 5.6 | 205 | 58 | 12.8 | - | - |
07-12-2024 01:00 | 49.89175 | -6.31371 | 2.28 | - | 11.8 | 5.7 | 291 | 62 | 12.7 | - | - |
07-12-2024 00:30 | 49.89170 | -6.31371 | 2.42 | - | 11.1 | 6 | 263 | 53 | 12.7 | - | - |
07-12-2024 00:00 | 49.89172 | -6.31379 | 2.52 | - | 11.8 | 6 | 323 | 54 | 12.7 | - | - |