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 All years
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.86 | 4.9 | 3.4 | 255 | 7 |
| February | 0.78 | 4.9 | 3.3 | 242 | 6.5 |
| March | 0.67 | 4.5 | 3.2 | 234 | 7.1 |
| April | 0.56 | 4.2 | 3.2 | 220 | 8.9 |
| May | 0.52 | 3.9 | 3 | 229 | 11.8 |
| June | 0.5 | 3.8 | 3 | 239 | 14.8 |
| July | 0.51 | 3.8 | 3 | 256 | 16.8 |
| August | 0.57 | 3.9 | 3.1 | 258 | 17.3 |
| September | 0.66 | 4.2 | 3.2 | 250 | 16.3 |
| October | 0.72 | 4.4 | 3.2 | 234 | 13.7 |
| November | 0.87 | 4.7 | 3.4 | 247 | 10.9 |
| December | 0.91 | 4.9 | 3.5 | 252 | 8.2 |
