St Mary's Sound wave buoy daily averages for Dec 2016 last observation shown oldest observation available Monthly averages for
Average Wave Height
5 ft
1.5 — 9.9 ft
Average Wave period
9 secs
4 — 20 secs
Average Wave Direction
SW
Average Water temperature
12 °C
11.6 — 12.3 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 2 | 11 | W | 11.6 | |
| 2 | 12 | WSW | 11.7 | |
| 3 | 10 | WNW | 11.6 | |
| 5 | 6 | SE | 11.7 | |
| 4 | 9 | SSW | 11.7 | |
| 4 | 11 | WNW | 11.8 | |
| 5 | 8 | WSW | 11.8 | |
| 5 | 9 | WSW | 11.8 | |
| 6 | 8 | SW | 11.9 | |
| 4 | 13 | WNW | 11.9 | |
| 5 | 10 | W | 12.0 | |
| 3 | 14 | WNW | 12.0 | |
| 3 | 13 | W | 12.0 | |
| 3 | 12 | WNW | 12.0 | |
| 4 | 13 | WSW | 12.1 | |
| 7 | 10 | SW | 12.1 | |
| 6 | 8 | SSW | 12.1 | |
| 7 | 9 | SSW | 12.1 | |
| 5 | 7 | SSW | 12.1 | |
| 4 | 7 | SSW | 12.1 | |
| 4 | 10 | SW | 12.2 | |
| 6 | 11 | SW | 12.2 | |
| 7 | 10 | SW | 12.2 | |
| 6 | 10 | SW | 12.1 | |
| 6 | 7 | SSW | 12.1 | |
| 5 | 8 | SSW | 12.1 | |
| 5 | 9 | S | 12.0 | |
| 8 | 8 | ESE | 12.0 | |
| 7 | 7 | ESE | 12.1 | |
| 4 | 7 | SSE | 12.1 | |
| 3 | 6 | SSE | 12.2 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.