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.
Start Bay
Average values for 2023
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.88 | 9.8 | 5.1 | 165 | 10.3 |
| February | 0.63 | 10.1 | 4.6 | 162 | 9.5 |
| March | 1.01 | 10.2 | 4.9 | 171 | 9.2 |
| April | 0.75 | 8.6 | 4.5 | 154 | 10.7 |
| May | 0.59 | 7.5 | 4.1 | 135 | 12.7 |
| June | 0.49 | 8 | 4 | 148 | 15.5 |
| July | 0.51 | 6.4 | 3.9 | 170 | 15.4 |
| August | 0.45 | 8.3 | 4.2 | 167 | 16.4 |
| September | 0.61 | 8.1 | 4.3 | 162 | 17.8 |
| October | 0.84 | 8.6 | 4.6 | 166 | 16.3 |
| November | 0.95 | 9.4 | 5.1 | 167 | 13.8 |
| December | 0.98 | 9.2 | 4.8 | 174 | 12 |
