St Mary's Sound wave buoy daily averages for Dec 2023 last observation shown oldest observation available Monthly averages for
Average Wave Height
6 ft
2 — 17.2 ft
Average Wave period
5 secs
3 — 8 secs
Average Wave Direction
SW
Average Water temperature
12 °C
11.4 — 12.4 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 9 | 6 | SW | 11.6 | |
| 8 | 6 | SSW | 11.7 | |
| 6 | 6 | SW | 11.7 | |
| 10 | 7 | SW | 11.8 | |
| 12 | 7 | SSW | 11.8 | |
| 4 | 5 | WSW | 11.8 | |
| 6 | 5 | WSW | 11.9 | |
| 6 | 5 | WSW | 11.8 | |
| 4 | 5 | W | 11.9 | |
| 4 | 5 | NW | 11.9 | |
| 4 | 5 | NW | 11.9 | |
| 4 | 5 | WNW | 11.9 | |
| 4 | 5 | SW | 12.0 | |
| 5 | 5 | SW | 12.0 | |
| 5 | 5 | SSW | 12.0 | |
| 4 | 4 | SW | 12.0 | |
| 3 | 5 | WNW | 12.0 | |
| 3 | 5 | WSW | 12.0 | |
| 5 | 6 | WSW | 12.0 | |
| 7 | 6 | SW | 12.1 | |
| 6 | 6 | SW | 12.1 | |
| 8 | 6 | SW | 12.1 | |
| 8 | 6 | SSW | 12.0 | |
| 8 | 6 | SW | 12.0 | |
| 10 | 6 | SSW | 12.0 | |
| 7 | 5 | SSW | 12.0 | |
| 3 | 5 | SW | 12.0 | |
| 6 | 6 | SSW | 12.1 | |
| 5 | 5 | SSW | 12.2 | |
| 3 | 4 | SSE | 12.2 | |
| 5 | 5 | E | 12.3 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.