St Mary's Sound wave buoy daily averages for Jul 2025 last observation shown oldest observation available Monthly averages for
Average Wave Height
2 ft
0.8 — 8.8 ft
Average Wave period
5 secs
3 — 7 secs
Average Wave Direction
W
Average Water temperature
16 °C
14.4 — 19.2 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 2 | 5 | NW | 15.6 | |
| 2 | 5 | NW | 15.7 | |
| 2 | 5 | WNW | 15.7 | |
| 2 | 5 | WNW | 15.6 | |
| 2 | 5 | NW | 16.0 | |
| 2 | 5 | NW | 15.9 | |
| 1 | 4 | WSW | 15.8 | |
| 1 | 5 | WNW | 16.8 | |
| 2 | 5 | W | 15.7 | |
| 2 | 5 | WSW | 16.1 | |
| 4 | 5 | WSW | 15.5 | |
| 6 | 6 | SSW | 15.4 | |
| 4 | 5 | SW | 15.9 | |
| 2 | 5 | WSW | 16.0 | |
| 3 | 5 | WSW | 15.7 | |
| 3 | 5 | SW | 15.9 | |
| 4 | 5 | WSW | 15.6 | |
| 4 | 5 | WSW | 15.2 | |
| 3 | 4 | ESE | 16.5 | |
| 2 | 4 | ESE | 16.6 | |
| 1 | 4 | NW | 16.5 | |
| 1 | 5 | NW | 16.1 | |
| 1 | 5 | WNW | 16.3 | |
| 2 | 5 | WNW | 16.9 | |
| 2 | 4 | NW | 16.9 | |
| 3 | 5 | NW | 16.2 | |
| 3 | 4 | WNW | 15.5 | |
| 1 | 5 | WNW | 15.7 | |
| 1 | 5 | WSW | 15.4 | |
| 2 | 5 | WSW | 15.1 | |
| 2 | 6 | W | 15.0 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.