Start Bay wave
buoy monthly averages for 2025 last observation shown
oldest observation available
Average Wave Height
2 ft
0.3 — 33.6 ft
Average Wave period
4 secs
2 — 19 secs
Average Wave Direction
SSE
Average Water temperature
13 °C
10 — 20.4 °C
| Month | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 0.7 | 3.4 | SE | 17.7 | |
| 1.1 | 4 | SSE | 17.1 | |
| 1.3 | 3.8 | SSE | 14.8 | |
| 1.7 | 3.7 | SE | 13.4 | |
| 2.5 | 4 | SE | 10.9 | |
| 2.2 | 4 | SE | 9.6 | |
| 3.8 | 4.8 | SE | 9.5 | |
| 3.1 | 5 | SSE | 10.4 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.