Regional Coastal Monitoring Programmes

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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 27/02/2021 20:30 GMT

Wave Spectra page developed in conjunction with Fugro GB Marine Limited.

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Turning point search range: (Min>5): to (Max<40):  
Sea and Swell Summary for (27/02/2021 20:30 GMT)
Significant Wave Height (m)0.05
Wave zero up crossing period (Spectrum Tz) (s)5.7
Wind Wave Significant Wave Height (m)0.02
Wind Wave Peak Period (s)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
% Swell15.9
Wave Spectra for date 27/02/2021 20:30:
Frequency (Hz)Period (s)Normalised EnergyEnergy
0.031331.90.985294117647060.000134
0.039125.60.882352941176470.00012
0.046921.30.882352941176470.00012
0.054718.30.764705882352940.000104
0.0625160.727941176470599.9E-5
0.070314.20.669117647058829.1E-5
0.078112.80.617647058823538.4E-5
0.085911.60.610294117647068.3E-5
0.093710.70.610294117647068.3E-5
0.10169.80.647058823529418.8E-5
0.10949.10.683823529411779.3E-5
0.11728.50.713235294117659.7E-5
0.125080.713235294117659.7E-5
0.13287.50.727941176470599.9E-5
0.14067.10.735294117647060.0001
0.14846.70.720588235294129.8E-5
0.15636.40.750.000102
0.16416.10.750.000102
0.17195.80.720588235294129.8E-5
0.17975.60.647058823529418.8E-5
0.18755.30.580882352941187.9E-5
0.19535.10.514705882352947.0E-5
0.20314.90.470588235294126.4E-5
0.21094.70.448529411764716.1E-5
0.21884.60.411764705882355.6E-5
0.22664.40.397058823529415.4E-5
0.23444.30.397058823529415.4E-5
0.24224.10.367647058823535.0E-5
0.250040.477941176470596.5E-5
0.25783.90.6258.5E-5
0.26563.80.720588235294129.8E-5
0.27343.70.742647058823530.000101
0.28123.60.808823529411770.00011
0.28913.50.860294117647060.000117
0.29693.40.882352941176470.00012
0.30473.30.926470588235290.000126
0.31253.20.926470588235290.000126
0.32033.10.941176470588230.000128
0.3281310.000136
0.335930.933823529411770.000127
0.34372.90.808823529411770.00011
0.35162.80.750.000102
0.35942.80.742647058823530.000101
0.36722.70.676470588235299.2E-5
0.37502.70.617647058823538.4E-5
0.38282.60.595588235294128.1E-5
0.39062.60.573529411764717.8E-5
0.39842.50.566176470588237.7E-5
0.40632.50.558823529411777.6E-5
0.41412.40.492647058823536.7E-5
0.42192.40.433823529411765.9E-5
0.42972.30.404411764705885.5E-5
0.43752.30.352941176470594.8E-5
0.44532.20.323529411764714.4E-5
0.45312.20.294117647058824.0E-5
0.46092.20.272058823529413.7E-5
0.46882.10.257352941176473.5E-5
0.47662.10.235294117647063.2E-5
0.48442.10.213235294117652.9E-5
0.492220.198529411764712.7E-5
0.500020.183823529411762.5E-5
0.507820.161764705882352.2E-5
0.51561.90.139705882352941.9E-5
0.52351.90.139705882352941.9E-5
0.53121.90.132352941176471.8E-5
0.53911.90.1251.7E-5
0.54691.80.117647058823531.6E-5
0.55471.80.110294117647061.5E-5
0.56251.80.110294117647061.5E-5
0.57031.80.117647058823531.6E-5
0.57811.70.117647058823531.6E-5
0.58591.70.1251.7E-5
0.59381.70.1251.7E-5
0.60161.70.1251.7E-5
0.60941.60.117647058823531.6E-5
0.61721.60.117647058823531.6E-5
0.62501.60.117647058823531.6E-5
0.63281.60.117647058823531.6E-5
0.64061.60.117647058823531.6E-5
0.64841.50.117647058823531.6E-5
0.65631.50.110294117647061.5E-5
0.66411.50.110294117647061.5E-5
0.67191.50.110294117647061.5E-5
0.67971.50.102941176470591.4E-5
0.68751.50.0955882352941181.3E-5
0.69531.40.0955882352941181.3E-5
0.70311.40.0882352941176471.2E-5
0.71091.40.0882352941176471.2E-5
0.71881.40.0882352941176471.2E-5
0.72661.40.0882352941176471.2E-5
0.73441.40.0808823529411771.1E-5
0.74221.30.0882352941176471.2E-5
0.75001.30.0882352941176471.2E-5
0.75781.30.0882352941176471.2E-5
0.76561.30.0808823529411771.1E-5
0.77351.30.0882352941176471.2E-5
0.78131.30.0882352941176471.2E-5
0.78911.30.0882352941176471.2E-5
0.79691.30.0808823529411771.1E-5
0.80471.20.0808823529411771.1E-5
0.81251.20.0735294117647061.0E-5
0.82031.20.0735294117647061.0E-5
0.82821.20.0661764705882359.0E-6
0.83591.20.0661764705882359.0E-6
0.84371.20.0588235294117658.0E-6
0.85161.20.0661764705882359.0E-6
0.85941.20.0588235294117658.0E-6
0.86721.20.0588235294117658.0E-6
0.87501.10.0514705882352947.0E-6
0.88281.10.0514705882352947.0E-6
0.89061.10.0514705882352947.0E-6
0.89851.10.0514705882352947.0E-6
0.90631.10.0588235294117658.0E-6
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