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 2015
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 1.26 | 5.3 | 3.8 | 271 | 7.4 |
| February | 0.75 | 4.5 | 3.3 | 272 | 5.3 |
| March | 0.82 | 4.5 | 3.4 | 245 | 6.3 |
| April | 0.59 | 4.4 | 3.2 | 242 | 8.3 |
| May | 0.73 | 4.1 | 3.2 | 255 | 10.8 |
| June | 0.53 | 3.8 | 3 | 261 | 13.7 |
| July | 0.61 | 3.9 | 3.1 | 261 | 15.9 |
| August | 0.44 | 3.5 | 2.9 | 237 | 16.4 |
| September | 0.57 | 3.9 | 3.1 | 226 | 15.8 |
| October | 0.49 | 4.1 | 3 | 193 | 13.9 |
| November | 1.12 | 5.1 | 3.7 | 263 | 11.9 |
| December | 0.94 | 5 | 3.5 | 246 | 10.3 |
