Start Bay wave
buoy daily averages for Feb 2018 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
4 ft
0.7 — 12.5 ft
Average Wave period
9 secs
3 — 20 secs
Average Wave Direction
SSE
Average Water temperature
9 °C
7.2 — 9.9 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 8.7 | 7.6 | E | 7.4 | |
| 5.7 | 7 | E | 7.8 | |
| 8.0 | 7.8 | E | 8.2 | |
| 7.5 | 7.7 | E | 8.6 | |
| 5.8 | 6.8 | E | 8.7 | |
| 6.2 | 7 | E | 8.9 | |
| 3.7 | 5.8 | ESE | 9.1 | |
| 2.5 | 10 | SE | 9.1 | |
| 1.6 | 13.9 | S | 9.2 | |
| 1.3 | 11.9 | S | 9.2 | |
| 2.5 | 6.5 | SSE | 9.2 | |
| 1.9 | 10.4 | S | 9.0 | |
| 2.4 | 12.2 | S | 8.9 | |
| 2.9 | 11.5 | S | 9.0 | |
| 5.5 | 8.6 | SSE | 8.9 | |
| 5.7 | 8.8 | S | 8.9 | |
| 1.9 | 11.2 | S | 8.9 | |
| 1.8 | 9.7 | S | 9.0 | |
| 2.4 | 11 | S | 8.9 | |
| 2.3 | 9.5 | S | 9.0 | |
| 2.3 | 9.4 | S | 8.8 | |
| 1.8 | 8.5 | ESE | 9.0 | |
| 2.7 | 6.7 | E | 9.1 | |
| 4.4 | 6.9 | E | 9.3 | |
| 4.6 | 6.7 | E | 9.6 | |
| 1.2 | 6.8 | SSE | 9.7 | |
| 1.1 | 10.5 | S | 9.7 | |
| 1.6 | 11.5 | S | 9.9 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.