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.
St Mary's Sound
Average values for 2019
Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
---|---|---|---|---|---|
January | 0.98 | 10.1 | 4.9 | 246 | 11.1 |
February | 1.78 | 10 | 5.6 | 229 | 10.4 |
March | 1.38 | 10.5 | 5.3 | 240 | 10.4 |
April | 1.36 | 8.7 | 5.1 | 206 | 10.7 |
May | 0.82 | 8.8 | 4.9 | 231 | 11.9 |
June | 0.91 | 7.6 | 4.7 | 197 | 13.4 |
July | 0.74 | 7.5 | 4.4 | 210 | 15.4 |
August | 0.78 | 7.6 | 4.5 | 239 | 16 |
September | 1.09 | 8.1 | 4.7 | 212 | 15.6 |
October | 1.56 | 8.8 | 5.3 | 207 | 14.5 |
November | 1.57 | 9.7 | 5.2 | 215 | 12.6 |
December | 1.98 | 10 | 5.7 | 228 | 11.4 |