St Mary's Sound wave
buoy monthly averages for 2023 last observation shown
oldest observation available
Average Wave Height
4 ft
2.8 — 6.5 ft
Average Wave period
5 secs
4.7 — 5.8 secs
Average Wave Direction
SW
Average Water temperature
14 °C
10.9 — 15.9 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 5.8 | 5.4 | SW | 12.0 | |
| 5.3 | 5.5 | SW | 12.9 | |
| 4.8 | 5.3 | SW | 14.6 | |
| 3.7 | 5 | SW | 15.9 | |
| 3.0 | 4.7 | WSW | 15.8 | |
| 3.6 | 4.7 | WSW | 15.7 | |
| 2.8 | 4.7 | SSW | 14.4 | |
| 2.8 | 4.7 | WNW | 12.4 | |
| 4.2 | 4.9 | SSW | 10.9 | |
| 6.5 | 5.8 | SW | 11.2 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.