Start Bay wave
buoy daily averages for Sep 2023 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
2 ft
0.4 — 7.3 ft
Average Wave period
4 secs
2 — 9 secs
Average Wave Direction
SSE
Average Water temperature
18 °C
16.5 — 20.3 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 2.1 | 4.3 | S | 16.7 | |
| 2.3 | 5.3 | S | 16.8 | |
| 3.6 | 5.2 | S | 16.8 | |
| 3.5 | 4.1 | S | 16.9 | |
| 2.0 | 4.3 | S | 17.0 | |
| 2.6 | 4.8 | S | 17.0 | |
| 4.0 | 4.1 | SSE | 17.0 | |
| 1.7 | 4.3 | S | 17.0 | |
| 1.6 | 6.6 | S | 17.2 | |
| 2.4 | 4.8 | S | 17.4 | |
| 5.0 | 4.8 | S | 17.7 | |
| 3.0 | 3.7 | S | 17.9 | |
| 1.9 | 3.6 | S | 18.2 | |
| 3.1 | 4.2 | E | 18.2 | |
| 1.8 | 3 | E | 18.1 | |
| 1.3 | 3 | ESE | 18.3 | |
| 0.8 | 3.8 | SSE | 18.4 | |
| 1.3 | 3.4 | E | 18.1 | |
| 0.6 | 3.8 | S | 18.5 | |
| 0.8 | 3.4 | S | 19.1 | |
| 0.8 | 3.4 | S | 19.4 | |
| 0.9 | 5 | S | 19.1 | |
| 1.4 | 6 | S | 19.0 | |
| 1.0 | 4 | S | 18.3 | |
| 1.2 | 5.2 | S | 18.4 | |
| 2.7 | 4.1 | ESE | 17.8 | |
| 3.0 | 3.6 | E | 17.5 | |
| 1.2 | 3.5 | SE | 17.3 | |
| 1.1 | 4.1 | SSE | 17.2 | |
| 1.3 | 4.1 | SSE | 17.2 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.