St Mary's Sound wave buoy daily averages for Jul 2018 last observation shown oldest observation available Monthly averages for
Average Wave Height
2 ft
0.8 — 11.8 ft
Average Wave period
9 secs
3 — 20 secs
Average Wave Direction
W
Average Water temperature
16 °C
13.5 — 20.9 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 3.6 | 8.3 | WSW | 15.6 | |
| 4.9 | 8.3 | SW | 15.9 | |
| 8.9 | 9.1 | SSW | 15.1 | |
| 5.8 | 7.9 | SW | 14.7 | |
| 4.1 | 6.4 | SW | 15.1 | |
| 1.9 | 7.2 | WNW | 16.1 | |
| 1.0 | 9.6 | NNW | 16.6 | |
| 1.0 | 5.8 | WSW | 16.5 | |
| 1.2 | 4.8 | SW | 16.4 | |
| 1.0 | 6.5 | WSW | 16.7 | |
| 1.1 | 6.3 | WNW | 17.0 | |
| 1.1 | 6.5 | W | 16.1 | |
| 1.1 | 8.1 | W | 15.6 | |
| 1.8 | 8.8 | WNW | 15.9 | |
| 2.1 | 10.8 | NW | 15.5 | |
| 1.8 | 11.5 | NW | 16.1 | |
| 1.3 | 13.5 | SSW | 17.1 | |
| 1.1 | 16.1 | SSW | 17.8 | |
| 1.1 | 17.1 | SSW | 17.0 | |
| 1.3 | 11.4 | NNW | 16.7 | |
| 1.3 | 10.3 | NNW | 16.4 | |
| 1.5 | 7.4 | NE | 17.1 | |
| 1.0 | 10.9 | NNW | 17.6 | |
| 0.9 | 10.3 | W | 17.4 | |
| 1.0 | 9 | SW | 16.1 | |
| 1.0 | 12.6 | SW | 15.9 | |
| 1.2 | 10.8 | SW | 15.2 | |
| 1.8 | 5.3 | ESE | 15.6 | |
| 2.2 | 6 | E | 15.3 | |
| 1.7 | 8.7 | NNW | 15.4 | |
| 2.1 | 7 | E | 15.3 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.