St Mary's Sound wave buoy monthly averages for 2021 last observation shown oldest observation available

Average Wave Height

4 ft
0.7 — 16.7 ft

Average Wave period

5 secs
3 — 9 secs

Average Wave Direction

SW

Average Water temperature

13 °C
10 — 19.8 °C
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St Mary's Sound wave buoy monthly averages 2021 last observation shown Dec 2021
Month Wave height (ft) Wave Period (s) Wave Direction Water Temp (°C)
6 5 SSW 11.9
3 5 W 13.2
4 5 SW 14.4
3 5 SW 15.8
3 4 SW 15.5
3 4 SW 15.3
2 5 WNW 13.2
4 5 SW 11.2
3 4 ESE 10.5
4 5 WSW 10.2
8 6 SSW 10.0
5 5 SSW 10.3
Realtime data displayed on this page is from the Regional Coastal Monitoring Programme .

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