St Mary's Sound wave buoy daily averages for Mar 2025 last observation shown oldest observation available Monthly averages for

Average Wave Height

4 ft
1.2 — 9.8 ft

Average Wave period

5 secs
3 — 8 secs

Average Wave Direction

SSW

Average Water temperature

11 °C
10.7 — 12 °C
St Mary's Sound wave buoy daily averages Mar 2025 last observation shown Mar 2025
Day Wave height (ft) Wave Period (s) Wave Direction Water Temp (°C)
2.9 4.5 ESE 11.2
2.7 5.2 W 11.2
3.4 5 W 11.2
3.5 4.9 WNW 11.2
2.0 5 W 11.2
1.5 6 WNW 11.3
1.5 5.1 WSW 11.1
2.5 4.2 NW 11.0
3.5 4.1 NNW 11.1
5.9 5.5 SSW 11.0
7.6 6.1 SSW 11.0
5.9 4.9 SSE 10.9
5.0 4.6 SE 10.8
7.9 5.2 ESE 10.8
6.2 4.8 ESE 10.8
3.6 4.4 ESE 10.8
3.2 4.6 ESE 10.0
2.4 4.7 SSW 10.9
2.3 4.2 ESE 10.9
2.4 4.3 E 10.9
3.6 4.9 SSE 11.0
4.6 5.6 SSW 10.9
6.1 5.3 SSW 10.9
7.8 5.5 S 10.9
3.9 4.6 S 10.8
3.9 4.5 SSE 10.8
2.2 4.5 WNW 10.8
2.3 5.2 W 10.8
2.8 5.1 W 10.8
3.3 5.1 S 10.8
2.3 4.5 WSW 10.8
Realtime data displayed on this page is from the Regional Coastal Monitoring Programme.

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