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.
Chesil
Average values for 2021
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 1.14 | 8.7 | 5.1 | 211 | 8.7 |
| February | 1.43 | 11.1 | 6 | 211 | 8.1 |
| March | 0.96 | 9.8 | 5.2 | 213 | 8.5 |
| April | 0.41 | 8.4 | 4.3 | 202 | 9.7 |
| May | 1.15 | 8.1 | 4.7 | 220 | 11.3 |
| June | 0.39 | 8 | 4.3 | 206 | 13.9 |
| July | 0.62 | 7.6 | 4.2 | 217 | 16.5 |
| August | 0.67 | 6.2 | 4 | 212 | 17.4 |
| September | 0.62 | 7.8 | 4.4 | 207 | 17.8 |
| October | 1.21 | 8 | 4.6 | 218 | 15.8 |
| November | 0.73 | 7.8 | 4.5 | 219 | 13.2 |
| December | 1.28 | 8.9 | 4.9 | 216 | 10.2 |
