National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 25/06/2022 01:00 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.
Severn Bridge
Wave Spectra for 25/06/2022 01:00 GMT
Wave Spectra page developed in conjunction with Fugro GB Marine Limited.
Wave Spectra page developed in conjunction with Fugro GB Marine Limited.
| Sea and Swell Summary for (25/06/2022 01:00 GMT) | |
|---|---|
| Significant Wave Height (m) | 0.11 |
| Wave zero up crossing period (Spectrum Tz) (s) | 4.1 |
| Wind Wave Significant Wave Height (m) | 0.04 |
| Wind Wave Peak Period (s) | 2.5 |
| Wind Wave Peak Period Direction (°) | 0 |
| Swell Significant Wave Height (m) | 0.02 |
| Swell Peak Period (s) | 31.9 |
| Swell Peak Period Direction (°) | 0 |
| % Swell | 18.5 |
Wave Spectra for date 25/06/2022 01:00:
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.0313 | 31.9 | 0.840625 | 0.000269 |
| 0.0391 | 25.6 | 0.753125 | 0.000241 |
| 0.0469 | 21.3 | 0.815625 | 0.000261 |
| 0.0547 | 18.3 | 0.8 | 0.000256 |
| 0.0625 | 16 | 0.7875 | 0.000252 |
| 0.0703 | 14.2 | 0.828125 | 0.000265 |
| 0.0781 | 12.8 | 0.80625 | 0.000258 |
| 0.0859 | 11.6 | 0.828125 | 0.000265 |
| 0.0937 | 10.7 | 0.771875 | 0.000247 |
| 0.1016 | 9.8 | 0.709375 | 0.000227 |
| 0.1094 | 9.1 | 0.70625 | 0.000226 |
| 0.1172 | 8.5 | 0.7 | 0.000224 |
| 0.1250 | 8 | 0.696875 | 0.000223 |
| 0.1328 | 7.5 | 0.671875 | 0.000215 |
| 0.1406 | 7.1 | 0.646875 | 0.000207 |
| 0.1484 | 6.7 | 0.615625 | 0.000197 |
| 0.1563 | 6.4 | 0.55625 | 0.000178 |
| 0.1641 | 6.1 | 0.540625 | 0.000173 |
| 0.1719 | 5.8 | 0.50625 | 0.000162 |
| 0.1797 | 5.6 | 0.540625 | 0.000173 |
| 0.1875 | 5.3 | 0.55625 | 0.000178 |
| 0.1953 | 5.1 | 0.553125 | 0.000177 |
| 0.2031 | 4.9 | 0.578125 | 0.000185 |
| 0.2109 | 4.7 | 0.603125 | 0.000193 |
| 0.2188 | 4.6 | 0.615625 | 0.000197 |
| 0.2266 | 4.4 | 0.6125 | 0.000196 |
| 0.2344 | 4.3 | 0.596875 | 0.000191 |
| 0.2422 | 4.1 | 0.6125 | 0.000196 |
| 0.2500 | 4 | 0.634375 | 0.000203 |
| 0.2578 | 3.9 | 0.61875 | 0.000198 |
| 0.2656 | 3.8 | 0.578125 | 0.000185 |
| 0.2734 | 3.7 | 0.575 | 0.000184 |
| 0.2812 | 3.6 | 0.584375 | 0.000187 |
| 0.2891 | 3.5 | 0.578125 | 0.000185 |
| 0.2969 | 3.4 | 0.5625 | 0.00018 |
| 0.3047 | 3.3 | 0.56875 | 0.000182 |
| 0.3125 | 3.2 | 0.55 | 0.000176 |
| 0.3203 | 3.1 | 0.571875 | 0.000183 |
| 0.3281 | 3 | 0.640625 | 0.000205 |
| 0.3359 | 3 | 0.675 | 0.000216 |
| 0.3437 | 2.9 | 0.721875 | 0.000231 |
| 0.3516 | 2.8 | 0.734375 | 0.000235 |
| 0.3594 | 2.8 | 0.778125 | 0.000249 |
| 0.3672 | 2.7 | 0.803125 | 0.000257 |
| 0.3750 | 2.7 | 0.84375 | 0.00027 |
| 0.3828 | 2.6 | 0.85625 | 0.000274 |
| 0.3906 | 2.6 | 0.91875 | 0.000294 |
| 0.3984 | 2.5 | 0.98125 | 0.000314 |
| 0.4063 | 2.5 | 1 | 0.00032 |
| 0.4141 | 2.4 | 0.959375 | 0.000307 |
| 0.4219 | 2.4 | 0.940625 | 0.000301 |
| 0.4297 | 2.3 | 0.9125 | 0.000292 |
| 0.4375 | 2.3 | 0.946875 | 0.000303 |
| 0.4453 | 2.2 | 0.93125 | 0.000298 |
| 0.4531 | 2.2 | 0.896875 | 0.000287 |
| 0.4609 | 2.2 | 0.815625 | 0.000261 |
| 0.4688 | 2.1 | 0.7875 | 0.000252 |
| 0.4766 | 2.1 | 0.70625 | 0.000226 |
| 0.4844 | 2.1 | 0.653125 | 0.000209 |
| 0.4922 | 2 | 0.61875 | 0.000198 |
| 0.5000 | 2 | 0.596875 | 0.000191 |
| 0.5078 | 2 | 0.571875 | 0.000183 |
| 0.5156 | 1.9 | 0.56875 | 0.000182 |
| 0.5235 | 1.9 | 0.509375 | 0.000163 |
| 0.5312 | 1.9 | 0.46875 | 0.00015 |
| 0.5391 | 1.9 | 0.45625 | 0.000146 |
| 0.5469 | 1.8 | 0.475 | 0.000152 |
| 0.5547 | 1.8 | 0.44375 | 0.000142 |
| 0.5625 | 1.8 | 0.4375 | 0.00014 |
| 0.5703 | 1.8 | 0.4375 | 0.00014 |
| 0.5781 | 1.7 | 0.428125 | 0.000137 |
| 0.5859 | 1.7 | 0.390625 | 0.000125 |
| 0.5938 | 1.7 | 0.365625 | 0.000117 |
| 0.6016 | 1.7 | 0.34375 | 0.00011 |
| 0.6094 | 1.6 | 0.34375 | 0.00011 |
| 0.6172 | 1.6 | 0.33125 | 0.000106 |
| 0.6250 | 1.6 | 0.325 | 0.000104 |
| 0.6328 | 1.6 | 0.3125 | 0.0001 |
| 0.6406 | 1.6 | 0.3125 | 0.0001 |
| 0.6484 | 1.5 | 0.29375 | 9.4E-5 |
| 0.6563 | 1.5 | 0.271875 | 8.7E-5 |
| 0.6641 | 1.5 | 0.24375 | 7.8E-5 |
| 0.6719 | 1.5 | 0.259375 | 8.3E-5 |
| 0.6797 | 1.5 | 0.25625 | 8.2E-5 |
| 0.6875 | 1.5 | 0.25 | 8.0E-5 |
| 0.6953 | 1.4 | 0.246875 | 7.9E-5 |
| 0.7031 | 1.4 | 0.24375 | 7.8E-5 |
| 0.7109 | 1.4 | 0.23125 | 7.4E-5 |
| 0.7188 | 1.4 | 0.228125 | 7.3E-5 |
| 0.7266 | 1.4 | 0.23125 | 7.4E-5 |
| 0.7344 | 1.4 | 0.234375 | 7.5E-5 |
| 0.7422 | 1.3 | 0.23125 | 7.4E-5 |
| 0.7500 | 1.3 | 0.23125 | 7.4E-5 |
| 0.7578 | 1.3 | 0.221875 | 7.1E-5 |
| 0.7656 | 1.3 | 0.215625 | 6.9E-5 |
| 0.7735 | 1.3 | 0.2125 | 6.8E-5 |
| 0.7813 | 1.3 | 0.2 | 6.4E-5 |
| 0.7891 | 1.3 | 0.19375 | 6.2E-5 |
| 0.7969 | 1.3 | 0.2 | 6.4E-5 |
| 0.8047 | 1.2 | 0.190625 | 6.1E-5 |
| 0.8125 | 1.2 | 0.178125 | 5.7E-5 |
| 0.8203 | 1.2 | 0.171875 | 5.5E-5 |
| 0.8282 | 1.2 | 0.175 | 5.6E-5 |
| 0.8359 | 1.2 | 0.171875 | 5.5E-5 |
| 0.8437 | 1.2 | 0.1625 | 5.2E-5 |
| 0.8516 | 1.2 | 0.1625 | 5.2E-5 |
| 0.8594 | 1.2 | 0.159375 | 5.1E-5 |
| 0.8672 | 1.2 | 0.153125 | 4.9E-5 |
| 0.8750 | 1.1 | 0.153125 | 4.9E-5 |
| 0.8828 | 1.1 | 0.146875 | 4.7E-5 |
| 0.8906 | 1.1 | 0.15 | 4.8E-5 |
| 0.8985 | 1.1 | 0.15625 | 5.0E-5 |
| 0.9063 | 1.1 | 0.15625 | 5.0E-5 |
