St Mary's Sound wave buoy monthly averages for 2020 last observation shown oldest observation available Wave buoy icon

Average Wave Height

4 ft
2.3 — 7.2 ft

Average Wave period

7 secs
0 — 9.8 secs

Average Wave Direction

SW

Average Water temperature

12 °C
9.8 — 15.6 °C
St Mary's Sound wave buoy monthly averages 2020 last observation shown Dec 2020
Month Wave height (ft) Wave Period (s) Wave Direction Water Temp (°C)
5.4 5.1 SW 11.5
5.1 3.6 SSW 12.6
6.5 0 SW 13.2
2.3 7.9 W 15.1
3.1 7.5 WSW 15.6
2.4 7.7 WSW 14.5
2.8 7.4 WSW 13.3
3.1 8.6 SSW 12.0
3.2 9.2 S 10.4
5.3 9.5 SSW 9.8
7.2 9.8 SW 10.2
5.9 9.3 SSW 10.6
Realtime data displayed on this page is from the Regional Coastal Monitoring Programme.

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