St Mary's Sound wave buoy daily averages for Apr 2017 last observation shown oldest observation available Monthly averages for
Average Wave Height
2 ft
0.8 — 12.1 ft
Average Wave period
8 secs
3 — 25 secs
Average Wave Direction
WSW
Average Water temperature
11 °C
10.4 — 12.5 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 7.5 | 8.3 | S | 11.2 | |
| 4.3 | 5.2 | S | 11.2 | |
| 1.1 | 5.1 | N | 11.2 | |
| 1.4 | 6 | E | 11.2 | |
| 2.4 | 5.8 | E | 11.2 | |
| 2.9 | 6.7 | ENE | 11.2 | |
| 1.1 | 9.7 | SSW | 11.3 | |
| 1.6 | 10.5 | SSW | 11.5 | |
| 1.4 | 9.2 | NNW | 11.4 | |
| 1.6 | 7.8 | S | 11.4 | |
| 1.9 | 5.3 | ESE | 11.2 | |
| 1.9 | 5 | ESE | 11.1 | |
| 1.9 | 6.8 | S | 11.0 | |
| 1.3 | 6.8 | WNW | 10.9 | |
| 1.5 | 8 | SW | 10.9 | |
| 1.5 | 8.2 | SW | 10.9 | |
| 1.3 | 9.6 | WSW | 10.8 | |
| 1.3 | 9.6 | WNW | 10.8 | |
| 1.3 | 7.6 | W | 10.8 | |
| 1.3 | 9.1 | WSW | 10.9 | |
| 1.8 | 9.6 | WNW | 10.7 | |
| 1.6 | 10.3 | W | 10.7 | |
| 2.0 | 9.2 | NW | 10.7 | |
| 1.4 | 12.8 | WSW | 10.7 | |
| 2.0 | 12 | WNW | 10.6 | |
| 2.8 | 12.3 | WNW | 10.6 | |
| 3.8 | 11.7 | W | 10.6 | |
| 4.0 | 6.2 | SW | 10.5 | |
| 3.1 | 9 | WSW | 10.7 | |
| 5.4 | 9.4 | SW | 10.5 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.