Start Bay wave
buoy daily averages for Aug 2020 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
2 ft
0.4 — 7.8 ft
Average Wave period
7 secs
2 — 15 secs
Average Wave Direction
SSE
Average Water temperature
17 °C
15.9 — 20.7 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 0.9 | 5.3 | E | 16.8 | |
| 1.5 | 4.5 | E | 16.3 | |
| 1.4 | 6.4 | ESE | 16.3 | |
| 1.7 | 8.1 | S | 16.4 | |
| 1.9 | 7 | S | 16.4 | |
| 2.2 | 10 | S | 16.6 | |
| 4.9 | 8.8 | S | 16.7 | |
| 1.5 | 5.4 | SSE | 16.7 | |
| 1.5 | 6.6 | S | 16.7 | |
| 2.8 | 8.3 | S | 16.9 | |
| 5.6 | 10.9 | S | 17.1 | |
| 4.3 | 10.2 | S | 17.3 | |
| 3.9 | 5.8 | SSE | 17.4 | |
| 1.2 | 4.8 | S | 17.8 | |
| 0.8 | 4 | SSE | 18.4 | |
| 1.1 | 3.5 | ESE | 18.6 | |
| 0.6 | 4.9 | SSE | 18.9 | |
| 0.7 | 7.3 | S | 19.0 | |
| 0.5 | 7.4 | SSE | 19.4 | |
| 0.6 | 5.7 | SE | 18.7 | |
| 0.6 | 7.6 | SSE | 18.4 | |
| 0.9 | 5.8 | ESE | 17.7 | |
| 0.9 | 6.8 | SE | 17.4 | |
| 0.8 | 7.6 | S | 16.9 | |
| 0.9 | 9.5 | S | 16.5 | |
| 1.4 | 7.8 | S | 16.5 | |
| 2.2 | 5.1 | S | 16.3 | |
| 1.1 | 4.9 | S | 16.2 | |
| 0.7 | 7.2 | SSE | 16.2 | |
| 1.2 | 8.9 | S | 16.2 | |
| 1.3 | 10.3 | S | 16.3 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.