National Network of Regional Coastal Monitoring Programmes
« Return to map for other wave, tide and met stations.
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 2024
Month | Hs (m) | Tp (s) | Tz (s) | Dirp (degrees) | TSea (degrees C) |
---|---|---|---|---|---|
January | 1.76 | 8.8 | 5.5 | 191 | 10.8 |
February | 1.6 | 9.4 | 5.4 | 224 | 10.7 |
March | 1.68 | 8.8 | 5.4 | 222 | 10.7 |
April | 1.43 | 8.7 | 5 | 222 | 11.3 |
May | 0.9 | 7.9 | 4.6 | 215 | 12.7 |
June | 0.69 | 7 | 4.5 | 231 | 13.8 |
July | 0.74 | 7.2 | 4.5 | 244 | 14.7 |
August | 0.97 | 7.7 | 4.7 | 246 | 16 |
September | 0.91 | 7.2 | 4.6 | 204 | 15.1 |
October | 1.38 | 8.6 | 5.2 | 212 | 14 |
November | 1.4 | 8.1 | 5 | 197 | 13.4 |
December | 1.34 | 9.1 | 5.1 | 221 | 12.2 |