Start Bay wave buoy daily averages for Aug 2025 last observation shown oldest observation available Monthly averages for

Average Wave Height

2 ft
0.4 — 5.9 ft

Average Wave period

4 secs
2 — 10 secs

Average Wave Direction

SSE

Average Water temperature

18 °C
17.3 — 19.9 °C
Start Bay wave buoy daily averages Aug 2025 last observation shown Aug 2025
Day Wave height (ft) Wave Period (s) Wave Direction Water Temp (°C)
3.2 4.2 S 18.0
2.6 4.3 S 18.2
2.1 4.9 S 18.3
2.1 4.2 S 18.3
2.7 4.5 S 18.4
2.4 5.6 S 18.4
1.7 4 SE 18.6
1.1 3.4 SE 18.4
0.8 4.5 S 18.4
1.1 4.3 S 18.4
1.9 4.2 E 18.4
3.0 4 E 18.4
2.6 4 E 18.4
4.4 4.4 E 18.3
4.5 4.1 E 18.3
3.3 3.6 ESE 18.1
0.8 3.4 SSE 18.2
0.9 3.5 S 18.0
1.0 4 S 17.9
2.0 3.8 ESE 17.9
1.4 3.1 ESE 17.5
0.8 4.7 S 17.7
0.9 3.9 S 17.5
0.9 4.1 S 17.6
1.2 3.3 S 17.6
0.8 4.5 S 17.9
0.8 4.8 S 17.8
1.3 3.4 S 17.9
0.6 3 S 17.8
0.7 3.3 ESE 17.7
0.7 3.5 SE 17.7
Realtime data displayed on this page is from the Regional Coastal Monitoring Programme.

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