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 2023
Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
---|---|---|---|---|---|
January | 1.97 | 9.5 | 5.8 | 225 | 11.2 |
February | 1.32 | 11.5 | 4.9 | 158 | 10.1 |
March | 1.82 | 9.9 | 5.6 | 210 | 10.4 |
April | 1.26 | 8.4 | 4.9 | 207 | 10.9 |
May | 0.84 | 8.4 | 4.7 | 215 | 12.3 |
June | 0.85 | 7.7 | 4.7 | 202 | 14.4 |
July | 1.1 | 7 | 4.7 | 240 | 15.7 |
August | 0.92 | 8.1 | 4.6 | 242 | 15.7 |
September | 1.13 | 8.1 | 5.1 | 216 | 15.9 |
October | 1.46 | 8.5 | 5.3 | 222 | 14.6 |
November | 1.62 | 9 | 5.5 | 218 | 12.8 |
December | 1.77 | 8.5 | 5.4 | 223 | 11.9 |