Regional Coastal Monitoring Programmes
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Start Bay Wave Spectra for 27/02/2021 21:20 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.
Start Bay Wave Spectra for 27/02/2021 21:20 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 (27/02/2021 21:20 GMT) | |
---|---|
Significant Wave Height (m) | 0.61 |
Wave zero up crossing period (Spectrum Tz) (s) | 5.9 |
Wind Wave Significant Wave Height (m) | 0.31 |
Wind Wave Peak Period (s) | 7.1 |
Wind Wave Peak Period Direction (°) | 174 |
Swell Significant Wave Height (m) | 0.53 |
Swell Peak Period (s) | 15.4 |
Swell Peak Period Direction (°) | 167.3 |
% Swell | 74.7 |
Wave Spectra for date 27/02/2021 21:20:
Frequency (Hz) | Period (s) | Normalised Energy | Energy |
---|---|---|---|
0.025 | 40 | 0.00036159 | 0.0002566493502 |
0.030 | 33.3 | 0.00092565 | 0.000657007857 |
0.035 | 28.6 | 0.0036794 | 0.002611564532 |
0.040 | 25 | 0.0081477 | 0.005783074506 |
0.045 | 22.2 | 0.012778 | 0.00906956884 |
0.050 | 20 | 0.025349 | 0.01799221322 |
0.055 | 18.2 | 0.24051 | 0.1707091878 |
0.060 | 16.7 | 0.31193 | 0.2214016754 |
0.065 | 15.4 | 1 | 0.70978 |
0.070 | 14.3 | 0.75578 | 0.5364375284 |
0.075 | 13.3 | 0.34819 | 0.2471382982 |
0.080 | 12.5 | 0.16042 | 0.1138629076 |
0.085 | 11.8 | 0.50661 | 0.3595816458 |
0.090 | 11.1 | 0.39063 | 0.2772613614 |
0.095 | 10.5 | 0.29968 | 0.2127068704 |
0.100 | 10 | 0.15723 | 0.1115987094 |
0.110 | 9.1 | 0.17291 | 0.1227280598 |
0.120 | 8.3 | 0.083743 | 0.05943910654 |
0.130 | 7.7 | 0.059904 | 0.04251866112 |
0.140 | 7.1 | 0.072439 | 0.05141575342 |
0.150 | 6.7 | 0.04573 | 0.0324582394 |
0.160 | 6.3 | 0.039557 | 0.02807676746 |
0.170 | 5.9 | 0.033374 | 0.02368819772 |
0.180 | 5.6 | 0.022038 | 0.01564213164 |
0.190 | 5.3 | 0.023168 | 0.01644418304 |
0.200 | 5 | 0.015843 | 0.01124504454 |
0.210 | 4.8 | 0.0094665 | 0.00671913237 |
0.220 | 4.5 | 0.011109 | 0.00788494602 |
0.230 | 4.3 | 0.015685 | 0.0111328993 |
0.240 | 4.2 | 0.016573 | 0.01176318394 |
0.250 | 4 | 0.015071 | 0.01069709438 |
0.260 | 3.8 | 0.012216 | 0.00867067248 |
0.270 | 3.7 | 0.017597 | 0.01248999866 |
0.280 | 3.6 | 0.012715 | 0.0090248527 |
0.290 | 3.4 | 0.020241 | 0.01436665698 |
0.300 | 3.3 | 0.025477 | 0.01808306506 |
0.310 | 3.2 | 0.024723 | 0.01754789094 |
0.320 | 3.1 | 0.027875 | 0.0197851175 |
0.330 | 3 | 0.020446 | 0.01451216188 |
0.340 | 2.9 | 0.020241 | 0.01436665698 |
0.350 | 2.9 | 0.018779 | 0.01332895862 |
0.360 | 2.8 | 0.0234 | 0.016608852 |
0.370 | 2.7 | 0.021174 | 0.01502888172 |
0.380 | 2.6 | 0.020446 | 0.01451216188 |
0.390 | 2.6 | 0.019351 | 0.01373495278 |
0.400 | 2.5 | 0.020343 | 0.01443905454 |
0.410 | 2.4 | 0.014772 | 0.01048487016 |
0.420 | 2.4 | 0.0090048 | 0.006391426944 |
0.430 | 2.3 | 0.01041 | 0.0073888098 |
0.440 | 2.3 | 0.012277 | 0.00871396906 |
0.450 | 2.2 | 0.0076734 | 0.005446425852 |
0.460 | 2.2 | 0.012094 | 0.00858407932 |
0.470 | 2.1 | 0.0096576 | 0.006854771328 |
0.480 | 2.1 | 0.0074839 | 0.005311922542 |
0.490 | 2 | 0.0060967 | 0.004327315726 |
0.500 | 2 | 0.0082297 | 0.005841276466 |
0.510 | 2 | 0.0052737 | 0.003743166786 |
0.520 | 1.9 | 0.0070481 | 0.005002600418 |
0.530 | 1.9 | 0.0060361 | 0.004284303058 |
0.540 | 1.9 | 0.0050924 | 0.003614483672 |
0.550 | 1.8 | 0.0040868 | 0.002900728904 |
0.560 | 1.8 | 0.003661 | 0.00259850458 |
0.570 | 1.8 | 0.0066044 | 0.004687671032 |
0.580 | 1.7 | 0.0066708 | 0.004734800424 |