St Mary's Sound wave
buoy daily averages for Jul 2025 last observation shown
oldest observation available
Monthly averages for
Average Wave Height
2 ft
0.8 — 8.8 ft
Average Wave period
5 secs
3 — 7 secs
Average Wave Direction
W
Average Water temperature
16 °C
14.4 — 19.2 °C
Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
---|---|---|---|---|
1.7 | 4.5 | NW | 15.6 | |
1.6 | 4.6 | NW | 15.7 | |
1.8 | 4.5 | WNW | 15.7 | |
1.7 | 4.9 | WNW | 15.6 | |
1.7 | 5.3 | NW | 16.0 | |
1.7 | 4.7 | NW | 15.9 | |
1.2 | 4.2 | WSW | 15.8 | |
1.4 | 4.7 | WNW | 16.8 | |
1.5 | 4.6 | W | 15.7 | |
2.2 | 4.8 | WSW | 16.1 | |
3.7 | 5.3 | WSW | 15.5 | |
6.1 | 6.2 | SSW | 15.4 | |
3.8 | 4.7 | SW | 15.9 | |
2.4 | 5.1 | WSW | 16.0 | |
2.5 | 4.7 | WSW | 15.7 | |
3.2 | 4.7 | SW | 15.9 | |
4.4 | 5.2 | WSW | 15.6 | |
4.4 | 5 | WSW | 15.2 | |
2.7 | 4 | ESE | 16.5 | |
1.8 | 3.8 | ESE | 16.6 | |
1.0 | 4.3 | NW | 16.5 | |
0.9 | 4.8 | NW | 16.1 | |
1.2 | 4.6 | WNW | 16.3 | |
1.6 | 4.8 | WNW | 16.9 | |
2.3 | 4.3 | NW | 16.9 | |
2.9 | 4.7 | NW | 16.2 | |
2.9 | 4.4 | WNW | 15.5 | |
1.4 | 4.5 | WNW | 15.7 | |
1.3 | 4.8 | WSW | 15.4 | |
1.8 | 5 | WSW | 15.1 | |
2.0 | 6.4 | W | 15.0 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.