Start Bay wave
buoy daily averages for Jul 2025 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
1 ft
0.3 — 5.9 ft
Average Wave period
4 secs
2 — 8 secs
Average Wave Direction
SSE
Average Water temperature
17 °C
15.4 — 20.4 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 0.7 | 3.4 | S | 17.8 | |
| 0.7 | 4 | SSE | 17.8 | |
| 0.7 | 4.2 | SSE | 17.5 | |
| 0.7 | 4.2 | S | 17.5 | |
| 0.9 | 4.7 | S | 17.3 | |
| 0.7 | 4 | S | 17.4 | |
| 0.7 | 3.4 | S | 17.5 | |
| 0.7 | 3.5 | SSE | 17.1 | |
| 0.6 | 3.8 | SSE | 16.8 | |
| 1.2 | 3.8 | S | 16.8 | |
| 2.2 | 6 | S | 16.8 | |
| 3.9 | 5 | S | 16.9 | |
| 1.4 | 4.1 | S | 16.9 | |
| 0.9 | 4.2 | SSE | 17.0 | |
| 1.0 | 3.8 | S | 17.0 | |
| 1.5 | 4.3 | SSE | 17.0 | |
| 2.3 | 4 | S | 17.2 | |
| 1.9 | 3.6 | SSE | 17.6 | |
| 1.6 | 3.2 | ESE | 17.6 | |
| 0.8 | 2.9 | ESE | 17.5 | |
| 0.5 | 3.3 | SE | 17.6 | |
| 0.5 | 3.5 | SE | 17.7 | |
| 0.6 | 3.7 | SSE | 17.1 | |
| 0.8 | 4 | SSE | 16.8 | |
| 1.0 | 4.1 | S | 15.7 | |
| 1.1 | 4.5 | S | 16.0 | |
| 1.1 | 3.1 | S | 16.7 | |
| 0.6 | 3.2 | SSE | 17.6 | |
| 0.7 | 4.2 | S | 17.8 | |
| 0.7 | 4.9 | S | 16.6 | |
| 0.9 | 4.6 | S | 16.2 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.