St Mary's Sound wave buoy daily averages for Jan 2023 last observation shown oldest observation available Monthly averages for
Average Wave Height
6 ft
0.3 — 13.5 ft
Average Wave period
6 secs
4 — 9 secs
Average Wave Direction
SW
Average Water temperature
11 °C
10 — 11.5 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 0 | 6 | NNW | 10.4 | |
| 2 | 6 | N | 10.5 | |
| 4 | 4 | S | 10.8 | |
| 4 | 5 | WSW | 10.8 | |
| 3 | 5 | W | 10.8 | |
| 4 | 5 | WNW | 10.9 | |
| 5 | 6 | W | 11.0 | |
| 6 | 6 | WSW | 11.1 | |
| 7 | 6 | SW | 11.2 | |
| 9 | 6 | SW | 11.3 | |
| 7 | 6 | SW | 11.3 | |
| 9 | 6 | SW | 11.4 | |
| 8 | 6 | SW | 11.4 | |
| 8 | 6 | SSW | 11.4 | |
| 6 | 6 | WSW | 11.3 | |
| 9 | 6 | SW | 11.4 | |
| 11 | 7 | SSW | 11.5 | |
| 8 | 6 | SW | 11.5 | |
| 6 | 5 | SW | 11.5 | |
| 7 | 6 | SW | 11.4 | |
| 9 | 6 | SSW | 11.4 | |
| 5 | 6 | SW | 11.4 | |
| 10 | 7 | SSW | 11.4 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.