National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 24/07/2024 20:30 GMT
Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.
Sandown Pier
Tide Levels and Harmonics Wave Spectra for 24/07/2024 20:30 GMT
Wave Spectra page developed in conjunction with Fugro GB Limited.
Wave Spectra page developed in conjunction with Fugro GB Limited.
| Sea and Swell Summary for (24/07/2024 20:30 GMT) | |
|---|---|
| Significant Wave Height (m) | 0.07 |
| Wave zero up crossing period (Spectrum Tz) (s) | 5.4 |
| Wind Wave Significant Wave Height (m) | 0.03 |
| Wind Wave Peak Period (s) | 5.3 |
| Wind Wave Peak Period Direction (°) | 0 |
| Swell Significant Wave Height (m) | 0.01 |
| Swell Peak Period (s) | 31.9 |
| Swell Peak Period Direction (°) | 0 |
| % Swell | 9.2 |
Wave Spectra for date 24/07/2024 20:30:
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.0313 | 31.9 | 0.62 | 0 |
| 0.0391 | 25.6 | 0.297 | 0 |
| 0.0469 | 21.3 | 0.467 | 0 |
| 0.0547 | 18.3 | 0.419 | 0 |
| 0.0625 | 16 | 0.397 | 0 |
| 0.0703 | 14.2 | 0.389 | 0 |
| 0.0781 | 12.8 | 0.406 | 0 |
| 0.0859 | 11.6 | 0.493 | 0 |
| 0.0937 | 10.7 | 0.546 | 0 |
| 0.1016 | 9.8 | 0.563 | 0 |
| 0.1094 | 9.1 | 0.62 | 0 |
| 0.1172 | 8.5 | 0.69 | 0 |
| 0.1250 | 8 | 0.76 | 0 |
| 0.1328 | 7.5 | 0.834 | 0 |
| 0.1406 | 7.1 | 0.86 | 0 |
| 0.1484 | 6.7 | 0.921 | 0 |
| 0.1563 | 6.4 | 0.961 | 0 |
| 0.1641 | 6.1 | 0.978 | 0 |
| 0.1719 | 5.8 | 0.961 | 0 |
| 0.1797 | 5.6 | 0.943 | 0 |
| 0.1875 | 5.3 | 1 | 0 |
| 0.1953 | 5.1 | 0.952 | 0 |
| 0.2031 | 4.9 | 0.913 | 0 |
| 0.2109 | 4.7 | 0.856 | 0 |
| 0.2188 | 4.6 | 0.79 | 0 |
| 0.2266 | 4.4 | 0.751 | 0 |
| 0.2344 | 4.3 | 0.707 | 0 |
| 0.2422 | 4.1 | 0.694 | 0 |
| 0.2500 | 4 | 0.633 | 0 |
| 0.2578 | 3.9 | 0.603 | 0 |
| 0.2656 | 3.8 | 0.611 | 0 |
| 0.2734 | 3.7 | 0.559 | 0 |
| 0.2812 | 3.6 | 0.585 | 0 |
| 0.2891 | 3.5 | 0.594 | 0 |
| 0.2969 | 3.4 | 0.594 | 0 |
| 0.3047 | 3.3 | 0.585 | 0 |
| 0.3125 | 3.2 | 0.594 | 0 |
| 0.3203 | 3.1 | 0.576 | 0 |
| 0.3281 | 3 | 0.541 | 0 |
| 0.3359 | 3 | 0.55 | 0 |
| 0.3437 | 2.9 | 0.52 | 0 |
| 0.3516 | 2.8 | 0.485 | 0 |
| 0.3594 | 2.8 | 0.467 | 0 |
| 0.3672 | 2.7 | 0.415 | 0 |
| 0.3750 | 2.7 | 0.38 | 0 |
| 0.3828 | 2.6 | 0.362 | 0 |
| 0.3906 | 2.6 | 0.362 | 0 |
| 0.3984 | 2.5 | 0.362 | 0 |
| 0.4063 | 2.5 | 0.354 | 0 |
| 0.4141 | 2.4 | 0.336 | 0 |
| 0.4219 | 2.4 | 0.328 | 0 |
| 0.4297 | 2.3 | 0.314 | 0 |
| 0.4375 | 2.3 | 0.31 | 0 |
| 0.4453 | 2.2 | 0.288 | 0 |
| 0.4531 | 2.2 | 0.301 | 0 |
| 0.4609 | 2.2 | 0.297 | 0 |
| 0.4688 | 2.1 | 0.288 | 0 |
| 0.4766 | 2.1 | 0.288 | 0 |
| 0.4844 | 2.1 | 0.279 | 0 |
| 0.4922 | 2 | 0.271 | 0 |
| 0.5000 | 2 | 0.271 | 0 |
| 0.5078 | 2 | 0.262 | 0 |
| 0.5156 | 1.9 | 0.253 | 0 |
| 0.5235 | 1.9 | 0.262 | 0 |
| 0.5312 | 1.9 | 0.266 | 0 |
| 0.5391 | 1.9 | 0.245 | 0 |
| 0.5469 | 1.8 | 0.231 | 0 |
| 0.5547 | 1.8 | 0.231 | 0 |
| 0.5625 | 1.8 | 0.218 | 0 |
| 0.5703 | 1.8 | 0.214 | 0 |
| 0.5781 | 1.7 | 0.214 | 0 |
| 0.5859 | 1.7 | 0.223 | 0 |
| 0.5938 | 1.7 | 0.236 | 0 |
| 0.6016 | 1.7 | 0.24 | 0 |
| 0.6094 | 1.6 | 0.236 | 0 |
| 0.6172 | 1.6 | 0.223 | 0 |
| 0.6250 | 1.6 | 0.223 | 0 |
| 0.6328 | 1.6 | 0.231 | 0 |
| 0.6406 | 1.6 | 0.223 | 0 |
| 0.6484 | 1.5 | 0.218 | 0 |
| 0.6563 | 1.5 | 0.218 | 0 |
| 0.6641 | 1.5 | 0.218 | 0 |
| 0.6719 | 1.5 | 0.197 | 0 |
| 0.6797 | 1.5 | 0.179 | 0 |
| 0.6875 | 1.5 | 0.179 | 0 |
| 0.6953 | 1.4 | 0.179 | 0 |
| 0.7031 | 1.4 | 0.183 | 0 |
| 0.7109 | 1.4 | 0.183 | 0 |
| 0.7188 | 1.4 | 0.179 | 0 |
| 0.7266 | 1.4 | 0.175 | 0 |
| 0.7344 | 1.4 | 0.175 | 0 |
| 0.7422 | 1.3 | 0.179 | 0 |
| 0.7500 | 1.3 | 0.179 | 0 |
| 0.7578 | 1.3 | 0.179 | 0 |
| 0.7656 | 1.3 | 0.17 | 0 |
| 0.7735 | 1.3 | 0.157 | 0 |
| 0.7813 | 1.3 | 0.153 | 0 |
| 0.7891 | 1.3 | 0.148 | 0 |
| 0.7969 | 1.3 | 0.14 | 0 |
| 0.8047 | 1.2 | 0.135 | 0 |
| 0.8125 | 1.2 | 0.14 | 0 |
| 0.8203 | 1.2 | 0.14 | 0 |
| 0.8282 | 1.2 | 0.127 | 0 |
| 0.8359 | 1.2 | 0.122 | 0 |
| 0.8437 | 1.2 | 0.127 | 0 |
| 0.8516 | 1.2 | 0.135 | 0 |
| 0.8594 | 1.2 | 0.14 | 0 |
| 0.8672 | 1.2 | 0.135 | 0 |
| 0.8750 | 1.1 | 0.127 | 0 |
| 0.8828 | 1.1 | 0.131 | 0 |
| 0.8906 | 1.1 | 0.131 | 0 |
| 0.8985 | 1.1 | 0.122 | 0 |
| 0.9063 | 1.1 | 0.122 | 0 |
