St Mary's Sound wave buoy daily averages for Jan 2017 last observation shown oldest observation available Monthly averages for
Average Wave Height
5 ft
1.7 — 16.3 ft
Average Wave period
8 secs
4 — 17 secs
Average Wave Direction
SW
Average Water temperature
11 °C
10.6 — 11.7 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 8 | 9 | SSW | 10.8 | |
| 5 | 8 | SSW | 10.7 | |
| 6 | 6 | SSW | 10.7 | |
| 4 | 9 | SW | 10.7 | |
| 9 | 9 | S | 10.6 | |
| 13 | 9 | S | 10.7 | |
| 8 | 7 | SSW | 10.7 | |
| 5 | 6 | SSW | 10.7 | |
| 2 | 10 | WSW | 10.8 | |
| 3 | 12 | WSW | 10.8 | |
| 3 | 12 | WSW | 10.9 | |
| 5 | 6 | ESE | 10.9 | |
| 5 | 6 | ESE | 11.0 | |
| 3 | 6 | SE | 11.0 | |
| 3 | 8 | W | 11.1 | |
| 2 | 7 | NNW | 11.1 | |
| 3 | 7 | NW | 11.1 | |
| 3 | 9 | NW | 11.1 | |
| 4 | 9 | NW | 11.1 | |
| 4 | 9 | WNW | 11.3 | |
| 4 | 8 | WNW | 11.4 | |
| 4 | 8 | WNW | 11.4 | |
| 5 | 6 | S | 11.4 | |
| 3 | 9 | SSW | 11.4 | |
| 4 | 11 | SSW | 11.4 | |
| 4 | 9 | SSE | 11.4 | |
| 6 | 8 | E | 11.5 | |
| 3 | 10 | NW | 11.6 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.