St Mary's Sound wave buoy daily averages for Nov 2023 last observation shown oldest observation available Monthly averages for
Average Wave Height
5 ft
1.4 — 14.2 ft
Average Wave period
5 secs
3 — 8 secs
Average Wave Direction
SW
Average Water temperature
13 °C
12.1 — 13.7 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 7 | 5 | E | 12.4 | |
| 2 | 6 | WSW | 12.5 | |
| 3 | 5 | W | 12.5 | |
| 3 | 5 | SSW | 12.5 | |
| 3 | 4 | S | 12.6 | |
| 2 | 4 | SW | 12.6 | |
| 2 | 5 | NW | 12.6 | |
| 2 | 5 | NW | 12.6 | |
| 2 | 4 | E | 12.6 | |
| 3 | 4 | N | 12.7 | |
| 5 | 5 | W | 12.7 | |
| 7 | 6 | SW | 12.8 | |
| 7 | 5 | SSW | 12.8 | |
| 5 | 5 | SSW | 12.8 | |
| 7 | 6 | SSE | 12.8 | |
| 4 | 6 | SW | 12.8 | |
| 7 | 6 | SW | 12.9 | |
| 8 | 6 | SSW | 12.9 | |
| 7 | 6 | SSW | 12.8 | |
| 5 | 5 | SSW | 12.9 | |
| 6 | 6 | W | 12.9 | |
| 7 | 6 | SW | 13.0 | |
| 8 | 6 | SSW | 13.1 | |
| 4 | 5 | W | 13.1 | |
| 5 | 6 | WSW | 13.1 | |
| 7 | 6 | SW | 13.2 | |
| 8 | 6 | SSW | 13.4 | |
| 6 | 6 | WSW | 13.5 | |
| 9 | 7 | SSW | 13.5 | |
| 10 | 6 | SSW | 13.6 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.