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.
Rhyl Flats
Average values for 2018
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 1 | 5.3 | 3.7 | 252 | 6.8 |
| February | 0.85 | 4.6 | 3.4 | 232 | 5.9 |
| March | 0.64 | 4.9 | 3.2 | 197 | 5 |
| April | 0.47 | 5 | 3.2 | 233 | 7.5 |
| May | 0.36 | 4 | 3.1 | 238 | 11.2 |
| June | 0.42 | 3.8 | 3 | 219 | 15.1 |
| July | 0.34 | 3.6 | 2.9 | 242 | 18.1 |
| August | 0.54 | 3.9 | 3 | 269 | 17.8 |
| September | 0.79 | 4.4 | 3.4 | 289 | 15.9 |
| October | 0.81 | 4.7 | 3.3 | 262 | 13.3 |
| November | 0.65 | 4.1 | 3 | 162 | 10.4 |
| December | 0.86 | 4.8 | 3.3 | 227 | 9.1 |
