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 2008
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.99 | 5.1 | 3.6 | 266 | 7.7 |
| February | 0.75 | 4.5 | 3.2 | 220 | 7.4 |
| March | 1.16 | 5.4 | 3.8 | 283 | 7.4 |
| April | 0.65 | 3.9 | 3.1 | 229 | 8.1 |
| May | 0.45 | 3.8 | 2.9 | 143 | 11.3 |
| June | 0.58 | 3.9 | 3.1 | 284 | 14.3 |
| July | 0.58 | 3.9 | 3 | 237 | 16 |
| August | 0.53 | 3.8 | 3 | 263 | 16.6 |
| September | 0.61 | 3.9 | 3.1 | 227 | 15.7 |
| October | 1.08 | 4.9 | 3.7 | 275 | 12.9 |
| November | 1.03 | 5 | 3.7 | 276 | 9.6 |
| December | 0.72 | 4.5 | 3.3 | 250 | 7.2 |
