St Mary's Sound wave buoy monthly averages for 2023 last observation shown oldest observation available
Average Wave Height
4 ft
0.1 — 17.2 ft
Average Wave period
5 secs
3 — 9 secs
Average Wave Direction
SW
Average Water temperature
14 °C
10 — 19.2 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 6 | 5 | SW | 12.0 | |
| 5 | 6 | SW | 12.9 | |
| 5 | 5 | SW | 14.6 | |
| 4 | 5 | SW | 15.9 | |
| 3 | 5 | WSW | 15.8 | |
| 4 | 5 | WSW | 15.7 | |
| 3 | 5 | SSW | 14.4 | |
| 3 | 5 | WNW | 12.4 | |
| 4 | 5 | SSW | 10.9 | |
| 7 | 6 | SW | 11.2 |
Realtime data displayed on this page is from the
Regional Coastal Monitoring Programme
.