National Network of Regional Coastal Monitoring Programmes
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Wave Spectra for 20/04/2024 04:00 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.
Port Isaac
Tide Levels and Harmonics Wave Spectra for 20/04/2024 04:00 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 (20/04/2024 04:00 GMT) | |
---|---|
Significant Wave Height (m) | 0.22 |
Wave zero up crossing period (Spectrum Tz) (s) | 2.4 |
Wind Wave Significant Wave Height (m) | 0.14 |
Wind Wave Peak Period (s) | 2.4 |
Wind Wave Peak Period Direction (°) | 0 |
Swell Significant Wave Height (m) | 0.01 |
Swell Peak Period (s) | 10.7 |
Swell Peak Period Direction (°) | 0 |
% Swell | 0.3 |
Wave Spectra for date 20/04/2024 04:00:
Frequency (Hz) | Period (s) | Normalised Energy | Energy |
---|---|---|---|
0.0313 | 31.9 | 0.005 | 0 |
0.0391 | 25.6 | 0.005 | 0 |
0.0469 | 21.3 | 0.004 | 0 |
0.0547 | 18.3 | 0.003 | 0 |
0.0625 | 16 | 0.003 | 0 |
0.0703 | 14.2 | 0.003 | 0 |
0.0781 | 12.8 | 0.004 | 0 |
0.0859 | 11.6 | 0.007 | 0 |
0.0937 | 10.7 | 0.017 | 0 |
0.1016 | 9.8 | 0.033 | 0 |
0.1094 | 9.1 | 0.038 | 0 |
0.1172 | 8.5 | 0.044 | 0 |
0.1250 | 8 | 0.049 | 0 |
0.1328 | 7.5 | 0.051 | 0 |
0.1406 | 7.1 | 0.057 | 0 |
0.1484 | 6.7 | 0.061 | 0 |
0.1563 | 6.4 | 0.067 | 0.001 |
0.1641 | 6.1 | 0.069 | 0.001 |
0.1719 | 5.8 | 0.068 | 0.001 |
0.1797 | 5.6 | 0.062 | 0 |
0.1875 | 5.3 | 0.05 | 0 |
0.1953 | 5.1 | 0.048 | 0 |
0.2031 | 4.9 | 0.044 | 0 |
0.2109 | 4.7 | 0.04 | 0 |
0.2188 | 4.6 | 0.038 | 0 |
0.2266 | 4.4 | 0.035 | 0 |
0.2344 | 4.3 | 0.036 | 0 |
0.2422 | 4.1 | 0.037 | 0 |
0.2500 | 4 | 0.056 | 0 |
0.2578 | 3.9 | 0.081 | 0.001 |
0.2656 | 3.8 | 0.097 | 0.001 |
0.2734 | 3.7 | 0.101 | 0.001 |
0.2812 | 3.6 | 0.114 | 0.001 |
0.2891 | 3.5 | 0.12 | 0.001 |
0.2969 | 3.4 | 0.128 | 0.001 |
0.3047 | 3.3 | 0.152 | 0.001 |
0.3125 | 3.2 | 0.179 | 0.001 |
0.3203 | 3.1 | 0.192 | 0.001 |
0.3281 | 3 | 0.199 | 0.001 |
0.3359 | 3 | 0.24 | 0.002 |
0.3437 | 2.9 | 0.441 | 0.003 |
0.3516 | 2.8 | 0.634 | 0.005 |
0.3594 | 2.8 | 0.747 | 0.006 |
0.3672 | 2.7 | 0.832 | 0.006 |
0.3750 | 2.7 | 0.864 | 0.006 |
0.3828 | 2.6 | 0.878 | 0.007 |
0.3906 | 2.6 | 0.885 | 0.007 |
0.3984 | 2.5 | 0.915 | 0.007 |
0.4063 | 2.5 | 0.935 | 0.007 |
0.4141 | 2.4 | 1 | 0.008 |
0.4219 | 2.4 | 0.984 | 0.007 |
0.4297 | 2.3 | 0.778 | 0.006 |
0.4375 | 2.3 | 0.581 | 0.004 |
0.4453 | 2.2 | 0.473 | 0.004 |
0.4531 | 2.2 | 0.432 | 0.003 |
0.4609 | 2.2 | 0.402 | 0.003 |
0.4688 | 2.1 | 0.404 | 0.003 |
0.4766 | 2.1 | 0.394 | 0.003 |
0.4844 | 2.1 | 0.347 | 0.003 |
0.4922 | 2 | 0.313 | 0.002 |
0.5000 | 2 | 0.251 | 0.002 |
0.5078 | 2 | 0.221 | 0.002 |
0.5156 | 1.9 | 0.211 | 0.002 |
0.5235 | 1.9 | 0.2 | 0.002 |
0.5312 | 1.9 | 0.193 | 0.001 |
0.5391 | 1.9 | 0.146 | 0.001 |
0.5469 | 1.8 | 0.138 | 0.001 |
0.5547 | 1.8 | 0.126 | 0.001 |
0.5625 | 1.8 | 0.13 | 0.001 |
0.5703 | 1.8 | 0.135 | 0.001 |
0.5781 | 1.7 | 0.136 | 0.001 |
0.5859 | 1.7 | 0.123 | 0.001 |
0.5938 | 1.7 | 0.113 | 0.001 |
0.6016 | 1.7 | 0.105 | 0.001 |
0.6094 | 1.6 | 0.106 | 0.001 |
0.6172 | 1.6 | 0.106 | 0.001 |
0.6250 | 1.6 | 0.1 | 0.001 |
0.6328 | 1.6 | 0.1 | 0.001 |
0.6406 | 1.6 | 0.09 | 0.001 |
0.6484 | 1.5 | 0.066 | 0 |
0.6563 | 1.5 | 0.053 | 0 |
0.6641 | 1.5 | 0.052 | 0 |
0.6719 | 1.5 | 0.051 | 0 |
0.6797 | 1.5 | 0.048 | 0 |
0.6875 | 1.5 | 0.048 | 0 |
0.6953 | 1.4 | 0.047 | 0 |
0.7031 | 1.4 | 0.047 | 0 |
0.7109 | 1.4 | 0.046 | 0 |
0.7188 | 1.4 | 0.047 | 0 |
0.7266 | 1.4 | 0.048 | 0 |
0.7344 | 1.4 | 0.046 | 0 |
0.7422 | 1.3 | 0.044 | 0 |
0.7500 | 1.3 | 0.044 | 0 |
0.7578 | 1.3 | 0.043 | 0 |
0.7656 | 1.3 | 0.04 | 0 |
0.7735 | 1.3 | 0.039 | 0 |
0.7813 | 1.3 | 0.036 | 0 |
0.7891 | 1.3 | 0.031 | 0 |
0.7969 | 1.3 | 0.029 | 0 |
0.8047 | 1.2 | 0.025 | 0 |
0.8125 | 1.2 | 0.025 | 0 |
0.8203 | 1.2 | 0.025 | 0 |
0.8282 | 1.2 | 0.024 | 0 |
0.8359 | 1.2 | 0.023 | 0 |
0.8437 | 1.2 | 0.022 | 0 |
0.8516 | 1.2 | 0.022 | 0 |
0.8594 | 1.2 | 0.019 | 0 |
0.8672 | 1.2 | 0.016 | 0 |
0.8750 | 1.1 | 0.015 | 0 |
0.8828 | 1.1 | 0.015 | 0 |
0.8906 | 1.1 | 0.015 | 0 |
0.8985 | 1.1 | 0.013 | 0 |
0.9063 | 1.1 | 0.012 | 0 |