St Mary's Sound wave buoy monthly averages for 2018 last observation shown oldest observation available

Average Wave Height

4 ft
0.6 — 19.3 ft

Average Wave period

9 secs
2 — 25 secs

Average Wave Direction

SW

Average Water temperature

12 °C
8.7 — 20.9 °C
```
St Mary's Sound wave buoy monthly averages 2018 last observation shown Dec 2018
Month Wave height (ft) Wave Period (s) Wave Direction Water Temp (°C)
6 10 SW 11.8
7 9 S 12.7
4 10 SSW 13.7
3 8 WSW 14.8
2 8 W 15.9
2 9 WSW 16.1
2 8 SSE 14.0
3 9 NW 11.3
5 10 SW 10.0
6 10 SSW 9.1
5 9 S 9.7
6 9 SW 10.6
Realtime data displayed on this page is from the Regional Coastal Monitoring Programme .

› Wave Buoy List