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
Average values for 2017
Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
---|---|---|---|---|---|
January | 1.2 | 10.6 | 5.5 | 235 | 10.4 |
February | 1.83 | 11.5 | 6 | 232 | 10.1 |
March | 1.57 | 10.5 | 5.7 | 236 | 10.2 |
April | 0.61 | 10.8 | 5.2 | 233 | 11.4 |
May | 0.92 | 10.1 | 5.4 | 231 | 12.5 |
June | 1.05 | 9.3 | 5.2 | 241 | 14.5 |
July | 0.82 | 8.2 | 4.6 | 236 | 15.5 |
August | 0.84 | 7.9 | 4.7 | 239 | 15.6 |
September | 1.28 | 9.2 | 5.2 | 237 | 15.3 |
October | 0.9 | 9.5 | 5.1 | 239 | 14.6 |
November | 1.05 | 9.6 | 4.9 | 238 | 13.1 |
December | 1.47 | 10.2 | 5.2 | 234 | 11.2 |