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

Average Wave Height

4 ft
0.6 — 24.2 ft

Average Wave period

7 secs
0 — 29 secs

Average Wave Direction

SW

Average Water temperature

12 °C
10 — 17.8 °C
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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 5 SW 11.5
5 4 SSW 12.6
7 0 SW 13.2
2 8 W 15.1
3 8 WSW 15.6
2 8 WSW 14.5
3 7 WSW 13.3
3 9 SSW 12.0
3 9 S 10.4
5 10 SSW 9.8
7 10 SW 10.2
6 9 SSW 10.6
Realtime data displayed on this page is from the Regional Coastal Monitoring Programme .

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