St Mary's Sound wave buoy monthly averages for 2022 last observation shown oldest observation available
Average Wave Height
4 ft
0.8 — 19.6 ft
Average Wave period
5 secs
3 — 12 secs
Average Wave Direction
SW
Average Water temperature
13 °C
10.1 — 20.7 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 6 | 5 | S | 11.8 | |
| 7 | 6 | SW | 13.4 | |
| 6 | 5 | SW | 14.5 | |
| 3 | 4 | WSW | 16.1 | |
| 2 | 4 | SSW | 16.5 | |
| 2 | 4 | W | 15.5 | |
| 3 | 5 | SW | 13.9 | |
| 3 | 5 | W | 12.3 | |
| 3 | 5 | SSW | 10.8 | |
| 5 | 5 | S | 10.3 | |
| 5 | 5 | WSW | 10.6 | |
| 4 | 5 | SW | 11.1 |
Realtime data displayed on this page is from the
Regional Coastal Monitoring Programme
.