National Network of Regional Coastal Monitoring Programmes

« Return to map for other wave, tide and met stations.

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 22/06/2025 23:01 GMT

Wave Spectra page developed in conjunction with Fugro GB Limited.

(i) stands for Iridium

Turning point search range: (Min>5): to (Max<40):  
Sea and Swell Summary for (22/06/2025 23:01 GMT)
Significant Wave Height (m)1.44
Wave zero up crossing period (Spectrum Tz) (s)4.4
Wind Wave Significant Wave Height (m)1.43
Wind Wave Peak Period (s)6.3
Wind Wave Peak Period Direction (°)233
Swell Significant Wave Height (m)0.2
Swell Peak Period (s)16.7
Swell Peak Period Direction (°)225
% Swell2