National Network of 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.

Porthleven

Wave Spectra for 13/08/2022 23:51 GMT

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

Turning point search range: (Min>5): to (Max<40):  
Sea and Swell Summary for (13/08/2022 23:51 GMT)
Significant Wave Height (m)0.25
Wave zero up crossing period (Spectrum Tz) (s)7.5
Wind Wave Significant Wave Height (m)0.11
Wind Wave Peak Period (s)7.1
Wind Wave Peak Period Direction (°)233
Swell Significant Wave Height (m)0.22
Swell Peak Period (s)16.7
Swell Peak Period Direction (°)98.4
% Swell80
Wave Spectra for date 13/08/2022 23:51:
Frequency (Hz)Period (s)Normalised EnergyEnergy
0.025400.000564265.079017112E-5
0.03033.30.00140880.0001268089056
0.03528.60.00474810.0004273859772
0.040250.00532680.0004794759216
0.04522.20.0247230.002225366676
0.050200.0297480.002677676976
0.05518.20.0713620.006423436344
0.06016.710.090012
0.06515.40.470020.04230744024
0.07014.30.264480.02380637376
0.07513.30.133990.01206070788
0.08012.50.114170.01027667004
0.08511.80.137380.01236584856
0.09011.10.220910.01988455092
0.09510.50.918520.08267782224
0.100100.865030.07786308036
0.1109.10.673690.06064018428
0.1208.30.156460.01408327752
0.1307.70.0925510.008330700612
0.1407.10.10970.0098743164
0.1506.70.0710060.006391392072
0.1606.30.034390.00309551268
0.1705.90.0309630.002787041556
0.1805.60.0290140.002611608168
0.1905.30.0213860.001924996632
0.20050.0275990.002484241188
0.2104.80.0297480.002677676976
0.2204.50.0564170.005078207004
0.2304.30.0581340.005232757608
0.2404.20.0515610.004641108732
0.25040.0383880.003455380656
0.2603.80.0333730.003003970476
0.2703.70.0191590.001724539908
0.2803.60.0141940.001277630328
0.2903.40.0189690.001707437628
0.3003.30.01350.001215162
0.3103.20.0102550.00092307306
0.3203.10.0129720.001167635664
0.33030.00694320.0006249713184
0.3402.90.00506710.0004560998052
0.3502.90.0060060.000540612072
0.3602.80.00670430.0006034674516
0.3702.70.00621990.0005598656388
0.3802.60.00406650.000366033798
0.3902.60.00350.000315042
0.4002.50.00398590.0003587788308
0.4102.40.00329610.0002966885532
0.4202.40.00429630.0003867185556
0.4302.30.00331270.0002981827524
0.4402.30.00222060.0001998806472
0.4502.20.00128760.0001158994512
0.4602.20.00195960.0001763875152
0.4702.10.00195960.0001763875152
0.4802.10.00144450.000130022334
0.49020.00158060.0001422729672
0.50020.0014590.000131327508
0.51020.00135360.0001218402432
0.5201.90.00125580.0001130370696
0.5301.90.00185480.0001669542576
0.5401.90.00115930.0001043509116
0.5501.80.00124330.0001119119196
0.5601.80.00103339.30093996E-5
0.5701.80.00118260.0001064481912
0.5801.70.00111370.0001002463644