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 2020
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.75 | 4.4 | 3.4 | 277 | 7.4 |
| February | 1.29 | 5.4 | 3.9 | 273 | 7.3 |
| March | 0.74 | 4.3 | 3.3 | 239 | 7.5 |
| April | 0.41 | 3.7 | 3 | 186 | 9.2 |
| May | 0.52 | 3.9 | 3.2 | 227 | 12.1 |
| June | 0.61 | 4 | 3.2 | 238 | 15.1 |
| July | 0.58 | 3.9 | 3.2 | 276 | 15.8 |
| August | 0.5 | 3.8 | 3.2 | 238 | 17.4 |
| September | 0.66 | 4.1 | 3.3 | 252 | 15.9 |
| October | 0.93 | 5 | 3.6 | 261 | 13.1 |
| November | 0.77 | 4.3 | 3.3 | 244 | 11.2 |
| December | 0.86 | 4.9 | 3.5 | 267 | 8.6 |
