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.
Penzance
Average values for 2026
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 1.19 | 9.4 | 5.1 | 185 | 9.9 |
| February | 1.18 | 9.5 | 4.9 | 183 | 10.1 |
| March | 0.69 | 10.8 | 4.5 | 182 | 10.8 |
| April | 0.78 | 8.4 | 4.2 | 172 | 11.8 |
| May | 0.38 | 9.3 | 4 | 178 | 13.8 |
| June | 0.58 | 6.5 | 3.8 | 179 | 15.2 |
| July | 0.32 | 8.6 | 4.2 | 166 | 17.4 |
| August | - | - | - | - | - |
| September | - | - | - | - | - |
| October | - | - | - | - | - |
| November | - | - | - | - | - |
| December | - | - | - | - | - |
