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
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 3 | 4 | S | 18.0 | |
| 3 | 4 | S | 18.2 | |
| 2 | 5 | S | 18.3 | |
| 2 | 4 | S | 18.3 | |
| 3 | 5 | S | 18.4 | |
| 2 | 6 | S | 18.4 | |
| 2 | 4 | SE | 18.6 | |
| 1 | 3 | SE | 18.4 | |
| 1 | 5 | S | 18.4 | |
| 1 | 4 | S | 18.4 | |
| 2 | 4 | E | 18.4 | |
| 3 | 4 | E | 18.4 | |
| 3 | 4 | E | 18.4 | |
| 4 | 4 | E | 18.3 | |
| 5 | 4 | E | 18.3 | |
| 3 | 4 | ESE | 18.1 | |
| 1 | 3 | SSE | 18.2 | |
| 1 | 4 | S | 18.0 | |
| 1 | 4 | S | 17.9 | |
| 2 | 4 | ESE | 17.9 | |
| 1 | 3 | ESE | 17.5 | |
| 1 | 5 | S | 17.7 | |
| 1 | 4 | S | 17.5 | |
| 1 | 4 | S | 17.6 | |
| 1 | 3 | S | 17.6 | |
| 1 | 5 | S | 17.9 | |
| 1 | 5 | S | 17.8 | |
| 1 | 3 | S | 17.9 | |
| 1 | 3 | S | 17.8 | |
| 1 | 3 | ESE | 17.7 | |
| 1 | 4 | SE | 17.7 |
Realtime data displayed on this page is from the
Regional Coastal Monitoring Programme
.