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
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)
0.7 4.7 S 15.8
1.0 4.9 S 15.9
1.6 4.9 S 15.8
2.3 3.5 SSE 15.8
2.2 4 E 15.7
2.3 4.1 E 15.7
2.4 4.2 E 15.6
2.0 4.1 E 15.5
3.4 4.8 E 15.5
1.9 4 ESE 15.6
2.1 4.3 S 15.7
1.4 4.4 S 15.9
2.3 4 S 15.9
3.0 3.8 S 15.9
2.2 5.1 S 16.2
4.1 5.2 S 16.3
2.7 4.1 S 16.5
2.2 4.2 S 16.5
2.4 4.2 S 16.6
2.5 4.2 S 16.8
2.7 4.2 SSE 16.9
3.0 3.9 SSE 16.9
2.1 4.9 S 17.1
3.1 4.4 SSE 17.1
3.2 3.8 SE 17.0
1.5 4.8 S 17.0
3.4 5.7 S 17.3
4.0 4.9 S 17.6
2.9 4.2 SSE 17.9
2.6 4.2 S 18.0
Realtime data displayed on this page is from the Regional Coastal Monitoring Programme.

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