St Mary's Sound wave buoy daily averages for Sep 2016 last observation shown oldest observation available Monthly averages for
Average Wave Height
4 ft
1.3 — 10 ft
Average Wave period
8 secs
4 — 17 secs
Average Wave Direction
WSW
Average Water temperature
15 °C
14.1 — 16.7 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 3 | 10 | WNW | 14.7 | |
| 4 | 8 | WSW | 14.7 | |
| 3 | 10 | WNW | 14.8 | |
| 5 | 8 | SW | 14.7 | |
| 6 | 8 | SW | 14.7 | |
| 6 | 8 | SW | 14.8 | |
| 8 | 8 | SSW | 14.6 | |
| 3 | 7 | WSW | 14.5 | |
| 3 | 8 | W | 14.6 | |
| 3 | 9 | W | 14.8 | |
| 2 | 11 | WNW | 14.9 | |
| 3 | 10 | NW | 15.2 | |
| 2 | 9 | WNW | 15.3 | |
| 2 | 10 | NNW | 15.7 | |
| 3 | 8 | WNW | 15.2 | |
| 3 | 8 | S | 15.3 | |
| 3 | 11 | NW | 16.2 | |
| 4 | 10 | W | 15.8 | |
| 6 | 7 | SSW | 15.4 | |
| 4 | 9 | W | 15.6 | |
| 4 | 9 | WSW | 15.4 | |
| 5 | 7 | SW | 15.1 | |
| 5 | 7 | SW | 14.7 | |
| 3 | 7 | SSE | 15.2 | |
| 3 | 10 | WSW | 14.9 | |
| 4 | 7 | SW | 14.9 | |
| 3 | 9 | WSW | 14.9 | |
| 4 | 7 | SW | 14.8 | |
| 3 | 7 | WNW | 15.3 | |
| 2 | 10 | NW | 15.3 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.