Start Bay wave
buoy daily averages for Feb 2021 last observation shown
oldest observation available
Monthly averages for 
Average Wave Height
5 ft
0.9 — 43.3 ft
Average Wave period
5 secs
3 — 15 secs
Average Wave Direction
SSE
Average Water temperature
9 °C
7.1 — 9.9 °C
| Day | Wave height (ft) | Wave Period (s) | Wave Direction | Water Temp (°C) |
|---|---|---|---|---|
| 3.5 | 3.9 | ESE | 9.4 | |
| 1.5 | 5.2 | S | 9.4 | |
| 1.5 | 6.4 | S | 9.4 | |
| 2.8 | 7 | S | 9.5 | |
| 5.7 | 5.2 | S | 9.4 | |
| 5.7 | 4.7 | S | 9.1 | |
| 2.0 | 6.6 | S | 9.2 | |
| 3.3 | 5.7 | S | 9.2 | |
| 6.3 | 5.2 | SSE | 9.0 | |
| 6.2 | 5.1 | S | 8.8 | |
| 4.9 | 5.5 | S | 8.5 | |
| 5.2 | 5.2 | S | 8.3 | |
| 4.3 | 5.3 | S | 7.9 | |
| 4.2 | 5.3 | S | 7.6 | |
| 8.6 | 5.7 | SSE | 7.4 | |
| 7.4 | 5.1 | ESE | 7.3 | |
| 11.9 | 6.4 | E | 7.6 | |
| 8.9 | 5.5 | ESE | 7.8 | |
| 7.8 | 5.4 | E | 8.1 | |
| 9.3 | 5.7 | E | 8.6 | |
| 5.8 | 4.7 | E | 9.3 | |
| 3.8 | 4 | E | 9.6 | |
| 1.3 | 5.3 | S | 9.3 | |
| 2.2 | 5.5 | S | 9.5 | |
| 2.9 | 5 | S | 9.7 | |
| 3.4 | 6.4 | S | 9.7 | |
| 4.2 | 5 | S | 9.8 | |
| 3.9 | 6.2 | S | 9.6 |
Realtime data displayed on this page is from the Regional
Coastal Monitoring Programme.