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 2021
| Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
|---|---|---|---|---|---|
| January | 0.86 | 8.6 | 4.8 | 154 | 9.7 |
| February | 1.49 | 9.7 | 5.4 | 156 | 8.8 |
| March | 0.7 | 9.4 | 4.5 | 165 | 9.2 |
| April | 0.67 | 6.9 | 4 | 127 | 9.8 |
| May | 0.68 | 9.1 | 4.5 | 174 | 11 |
| June | 0.37 | 8.2 | 4 | 153 | 13.9 |
| July | 0.4 | 6.8 | 3.8 | 154 | 16.3 |
| August | 0.43 | 6.6 | 3.9 | 149 | 16.2 |
| September | 0.5 | 8.1 | 4.3 | 157 | 17.3 |
| October | 0.71 | 8.6 | 4.5 | 173 | 15.6 |
| November | 0.51 | 8.9 | 4.6 | 156 | 13.5 |
| December | 0.97 | 9.1 | 4.8 | 162 | 11.5 |
