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 2019
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 1.03 | 4.9 | 3.7 | 272 | 7.2 |
| February | 0.63 | 5.3 | 3.3 | 252 | 6.4 |
| March | 0.96 | 4.9 | 3.6 | 281 | 7.9 |
| April | 0.53 | 3.9 | 3 | 169 | 8.9 |
| May | 0.49 | 3.8 | 3 | 248 | 11.7 |
| June | 0.53 | 3.9 | 3.1 | 233 | 14.2 |
| July | 0.51 | 3.8 | 3 | 267 | 17 |
| August | 0.59 | 4 | 3.1 | 254 | 17.7 |
| September | 0.68 | 4.4 | 3.2 | 256 | 16.2 |
| October | 0.71 | 4.4 | 3.2 | 236 | 13.6 |
| November | 0.77 | 4.7 | 3.3 | 215 | 9.9 |
| December | 0.84 | 5.2 | 3.5 | 259 | 8.1 |
