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.

Start Bay Wave Spectra for 27/02/2021 21:20 GMT

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

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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
% Swell74.7
Wave Spectra for date 27/02/2021 21:20:
Frequency (Hz)Period (s)Normalised EnergyEnergy
0.025400.000361590.0002566493502
0.03033.30.000925650.000657007857
0.03528.60.00367940.002611564532
0.040250.00814770.005783074506
0.04522.20.0127780.00906956884
0.050200.0253490.01799221322
0.05518.20.240510.1707091878
0.06016.70.311930.2214016754
0.06515.410.70978
0.07014.30.755780.5364375284
0.07513.30.348190.2471382982
0.08012.50.160420.1138629076
0.08511.80.506610.3595816458
0.09011.10.390630.2772613614
0.09510.50.299680.2127068704
0.100100.157230.1115987094
0.1109.10.172910.1227280598
0.1208.30.0837430.05943910654
0.1307.70.0599040.04251866112
0.1407.10.0724390.05141575342
0.1506.70.045730.0324582394
0.1606.30.0395570.02807676746
0.1705.90.0333740.02368819772
0.1805.60.0220380.01564213164
0.1905.30.0231680.01644418304
0.20050.0158430.01124504454
0.2104.80.00946650.00671913237
0.2204.50.0111090.00788494602
0.2304.30.0156850.0111328993
0.2404.20.0165730.01176318394
0.25040.0150710.01069709438
0.2603.80.0122160.00867067248
0.2703.70.0175970.01248999866
0.2803.60.0127150.0090248527
0.2903.40.0202410.01436665698
0.3003.30.0254770.01808306506
0.3103.20.0247230.01754789094
0.3203.10.0278750.0197851175
0.33030.0204460.01451216188
0.3402.90.0202410.01436665698
0.3502.90.0187790.01332895862
0.3602.80.02340.016608852
0.3702.70.0211740.01502888172
0.3802.60.0204460.01451216188
0.3902.60.0193510.01373495278
0.4002.50.0203430.01443905454
0.4102.40.0147720.01048487016
0.4202.40.00900480.006391426944
0.4302.30.010410.0073888098
0.4402.30.0122770.00871396906
0.4502.20.00767340.005446425852
0.4602.20.0120940.00858407932
0.4702.10.00965760.006854771328
0.4802.10.00748390.005311922542
0.49020.00609670.004327315726
0.50020.00822970.005841276466
0.51020.00527370.003743166786
0.5201.90.00704810.005002600418
0.5301.90.00603610.004284303058
0.5401.90.00509240.003614483672
0.5501.80.00408680.002900728904
0.5601.80.0036610.00259850458
0.5701.80.00660440.004687671032
0.5801.70.00667080.004734800424
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