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

Average Wave Height

2 ft
0.6 — 5.7 ft

Average Wave period

4 secs
3 — 7 secs

Average Wave Direction

SSE

Average Water temperature

16 °C
15.3 — 18.1 °C
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Start Bay wave buoy daily averages Sep 2025 last observation shown Sep 2025
Day Wave height (ft) Wave Period (s) Wave Direction Water Temp (°C)
1 5 S 15.8
1 5 S 15.9
2 5 S 15.8
2 4 SSE 15.8
2 4 E 15.7
2 4 E 15.7
2 4 E 15.6
2 4 E 15.5
3 5 E 15.5
2 4 ESE 15.6
2 4 S 15.7
1 4 S 15.9
2 4 S 15.9
3 4 S 15.9
2 5 S 16.2
4 5 S 16.3
3 4 S 16.5
2 4 S 16.5
2 4 S 16.6
3 4 S 16.8
3 4 SSE 16.9
3 4 SSE 16.9
2 5 S 17.1
3 4 SSE 17.1
3 4 SE 17.0
2 5 S 17.0
3 6 S 17.3
4 5 S 17.6
3 4 SSE 17.9
3 4 S 18.0
Realtime data displayed on this page is from the Regional Coastal Monitoring Programme .

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