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 2021
Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
---|---|---|---|---|---|
January | 1.46 | 10.4 | 5.8 | 232 | 9.6 |
February | 2.05 | 12.9 | 6.7 | 231 | 9.3 |
March | 1.31 | 11.5 | 6.2 | 237 | 9.7 |
April | 0.47 | 11.4 | 4.6 | 221 | 10.3 |
May | 1.42 | 9.6 | 5.4 | 235 | 11.7 |
June | 0.6 | 9.8 | 5.1 | 238 | 14.4 |
July | 0.75 | 8.8 | 4.8 | 228 | 16.2 |
August | 0.74 | 9 | 4.7 | 231 | 15.8 |
September | 0.74 | 10.3 | 5.3 | 230 | 17 |
October | 1.39 | 9.7 | 5.7 | 234 | 15 |
November | 0.88 | 10.8 | 5.4 | 235 | 13.3 |
December | 1.76 | 11.3 | 5.6 | 236 | 11.5 |