Start Bay wave
buoy daily averages for Jan 2021 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
3 ft
0.3 — 10.4 ft
Average Wave period
5 secs
2 — 9 secs
Average Wave Direction
SSE
Average Water temperature
10 °C
7.9 — 10.7 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 5.9 | 5.5 | SSE | 9.7 | |
| 5.3 | 4.9 | SSE | 9.9 | |
| 3.5 | 5.3 | S | 9.8 | |
| 3.0 | 4.5 | S | 9.8 | |
| 1.9 | 4.7 | SSE | 9.7 | |
| 3.4 | 4.4 | S | 9.5 | |
| 1.7 | 6 | S | 9.4 | |
| 2.2 | 5.7 | S | 9.4 | |
| 2.2 | 6.5 | S | 9.4 | |
| 2.8 | 7.9 | S | 9.4 | |
| 3.3 | 6.3 | S | 9.8 | |
| 6.7 | 5.4 | S | 10.0 | |
| 4.3 | 4.5 | S | 9.8 | |
| 2.0 | 4.8 | S | 9.5 | |
| 1.3 | 6.3 | S | 9.5 | |
| 3.2 | 5.1 | S | 9.6 | |
| 2.1 | 4.8 | S | 9.6 | |
| 2.1 | 5.2 | S | 9.7 | |
| 1.8 | 4.2 | S | 9.6 | |
| 2.0 | 4.5 | S | 9.5 | |
| 1.2 | 3 | S | 9.2 | |
| 0.7 | 3.8 | ESE | 9.1 | |
| 2.4 | 3.9 | E | 9.2 | |
| 1.1 | 3.9 | ESE | 9.3 | |
| 1.7 | 4 | ESE | 9.3 | |
| 3.4 | 4.3 | E | 9.5 | |
| 5.4 | 5 | E | 9.7 | |
| 5.3 | 4.6 | E | 10.2 | |
| 3.1 | 3.7 | E | 10.5 | |
| 1.1 | 3.6 | E | 10.6 | |
| 1.0 | 3.9 | SE | 10.6 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.