National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 19/04/2025 12:30 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.
Herne Bay
Tide Levels and Harmonics Wave Spectra for 19/04/2025 12:30 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 (19/04/2025 12:30 GMT) | |
|---|---|
| Significant Wave Height (m) | 0.65 |
| Wave zero up crossing period (Spectrum Tz) (s) | 2.4 |
| Wind Wave Significant Wave Height (m) | 0.65 |
| Wind Wave Peak Period (s) | 2.8 |
| Wind Wave Peak Period Direction (°) | 0 |
| Swell Significant Wave Height (m) | 0.03 |
| Swell Peak Period (s) | 12.8 |
| Swell Peak Period Direction (°) | 0 |
| % Swell | 0.3 |
Wave Spectra for date 19/04/2025 12:30:
| Frequency (Hz) | Period (s) | Normalised Energy | Energy |
|---|---|---|---|
| 0.0313 | 31.9 | 0.006 | 0.001 |
| 0.0391 | 25.6 | 0.006 | 0.001 |
| 0.0469 | 21.3 | 0.007 | 0.001 |
| 0.0547 | 18.3 | 0.007 | 0.001 |
| 0.0625 | 16 | 0.006 | 0.001 |
| 0.0703 | 14.2 | 0.007 | 0.001 |
| 0.0781 | 12.8 | 0.008 | 0.001 |
| 0.0859 | 11.6 | 0.007 | 0.001 |
| 0.0938 | 10.7 | 0.006 | 0.001 |
| 0.1016 | 9.8 | 0.005 | 0.001 |
| 0.1094 | 9.1 | 0.007 | 0.001 |
| 0.1172 | 8.5 | 0.008 | 0.001 |
| 0.1250 | 8 | 0.007 | 0.001 |
| 0.1328 | 7.5 | 0.007 | 0.001 |
| 0.1406 | 7.1 | 0.007 | 0.001 |
| 0.1484 | 6.7 | 0.007 | 0.001 |
| 0.1563 | 6.4 | 0.008 | 0.001 |
| 0.1641 | 6.1 | 0.009 | 0.001 |
| 0.1719 | 5.8 | 0.01 | 0.001 |
| 0.1797 | 5.6 | 0.011 | 0.002 |
| 0.1875 | 5.3 | 0.013 | 0.002 |
| 0.1953 | 5.1 | 0.014 | 0.002 |
| 0.2031 | 4.9 | 0.023 | 0.003 |
| 0.2109 | 4.7 | 0.048 | 0.007 |
| 0.2188 | 4.6 | 0.076 | 0.011 |
| 0.2266 | 4.4 | 0.113 | 0.016 |
| 0.2344 | 4.3 | 0.178 | 0.026 |
| 0.2422 | 4.1 | 0.278 | 0.04 |
| 0.2500 | 4 | 0.419 | 0.061 |
| 0.2578 | 3.9 | 0.525 | 0.076 |
| 0.2656 | 3.8 | 0.607 | 0.088 |
| 0.2734 | 3.7 | 0.661 | 0.096 |
| 0.2813 | 3.6 | 0.653 | 0.095 |
| 0.2891 | 3.5 | 0.66 | 0.096 |
| 0.2969 | 3.4 | 0.681 | 0.099 |
| 0.3047 | 3.3 | 0.666 | 0.097 |
| 0.3125 | 3.2 | 0.625 | 0.091 |
| 0.3203 | 3.1 | 0.767 | 0.112 |
| 0.3281 | 3 | 0.86 | 0.125 |
| 0.3359 | 3 | 0.84 | 0.122 |
| 0.3438 | 2.9 | 0.848 | 0.123 |
| 0.3516 | 2.8 | 0.953 | 0.139 |
| 0.3594 | 2.8 | 1 | 0.146 |
| 0.3672 | 2.7 | 0.849 | 0.124 |
| 0.3750 | 2.7 | 0.69 | 0.1 |
| 0.3828 | 2.6 | 0.532 | 0.077 |
| 0.3906 | 2.6 | 0.519 | 0.076 |
| 0.3984 | 2.5 | 0.532 | 0.077 |
| 0.4063 | 2.5 | 0.494 | 0.072 |
| 0.4141 | 2.4 | 0.485 | 0.071 |
| 0.4219 | 2.4 | 0.535 | 0.078 |
| 0.4297 | 2.3 | 0.51 | 0.074 |
| 0.4375 | 2.3 | 0.428 | 0.062 |
| 0.4453 | 2.2 | 0.363 | 0.053 |
| 0.4531 | 2.2 | 0.251 | 0.037 |
| 0.4609 | 2.2 | 0.233 | 0.034 |
| 0.4688 | 2.1 | 0.262 | 0.038 |
| 0.4766 | 2.1 | 0.253 | 0.037 |
| 0.4844 | 2.1 | 0.193 | 0.028 |
| 0.4922 | 2 | 0.176 | 0.026 |
| 0.5000 | 2 | 0.217 | 0.032 |
| 0.5078 | 2 | 0.227 | 0.033 |
| 0.5156 | 1.9 | 0.217 | 0.032 |
| 0.5234 | 1.9 | 0.225 | 0.033 |
| 0.5313 | 1.9 | 0.231 | 0.034 |
| 0.5391 | 1.9 | 0.221 | 0.032 |
| 0.5469 | 1.8 | 0.186 | 0.027 |
| 0.5547 | 1.8 | 0.147 | 0.021 |
| 0.5625 | 1.8 | 0.138 | 0.02 |
| 0.5703 | 1.8 | 0.157 | 0.023 |
| 0.5781 | 1.7 | 0.165 | 0.024 |
| 0.5859 | 1.7 | 0.134 | 0.02 |
| 0.5938 | 1.7 | 0.129 | 0.019 |
| 0.6016 | 1.7 | 0.118 | 0.017 |
| 0.6094 | 1.6 | 0.096 | 0.014 |
| 0.6172 | 1.6 | 0.081 | 0.012 |
| 0.6250 | 1.6 | 0.073 | 0.011 |
| 0.6328 | 1.6 | 0.074 | 0.011 |
| 0.6406 | 1.6 | 0.087 | 0.013 |
| 0.6484 | 1.5 | 0.097 | 0.014 |
| 0.6563 | 1.5 | 0.088 | 0.013 |
| 0.6641 | 1.5 | 0.062 | 0.009 |
| 0.6719 | 1.5 | 0.044 | 0.006 |
| 0.6797 | 1.5 | 0.058 | 0.008 |
| 0.6875 | 1.5 | 0.07 | 0.01 |
| 0.6953 | 1.4 | 0.066 | 0.01 |
| 0.7031 | 1.4 | 0.056 | 0.008 |
| 0.7109 | 1.4 | 0.053 | 0.008 |
| 0.7188 | 1.4 | 0.053 | 0.008 |
| 0.7266 | 1.4 | 0.056 | 0.008 |
| 0.7344 | 1.4 | 0.05 | 0.007 |
| 0.7422 | 1.3 | 0.041 | 0.006 |
| 0.7500 | 1.3 | 0.037 | 0.005 |
| 0.7578 | 1.3 | 0.039 | 0.006 |
| 0.7656 | 1.3 | 0.042 | 0.006 |
| 0.7734 | 1.3 | 0.041 | 0.006 |
| 0.7813 | 1.3 | 0.045 | 0.007 |
| 0.7891 | 1.3 | 0.047 | 0.007 |
| 0.7969 | 1.3 | 0.039 | 0.006 |
| 0.8047 | 1.2 | 0.033 | 0.005 |
| 0.8125 | 1.2 | 0.033 | 0.005 |
| 0.8203 | 1.2 | 0.031 | 0.005 |
| 0.8281 | 1.2 | 0.028 | 0.004 |
| 0.8359 | 1.2 | 0.028 | 0.004 |
| 0.8438 | 1.2 | 0.028 | 0.004 |
| 0.8516 | 1.2 | 0.027 | 0.004 |
| 0.8594 | 1.2 | 0.028 | 0.004 |
| 0.8672 | 1.2 | 0.027 | 0.004 |
| 0.8750 | 1.1 | 0.023 | 0.003 |
| 0.8828 | 1.1 | 0.023 | 0.003 |
| 0.8906 | 1.1 | 0.022 | 0.003 |
| 0.8984 | 1.1 | 0.02 | 0.003 |
| 0.9063 | 1.1 | 0.025 | 0.004 |
